diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 4f287bb0..5aca4971 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -2,15 +2,18 @@
 
 ## 4.0.0
 
-- refactor: merge [hrp] into httprunner repo
+- refactor: merge [hrp] into httprunner v4, which will include golang and python dual engine
 
 **go version**
 
+- feat: add `--profile` flag for har2case to support overwrite headers/cookies with specified yaml/json profile file
 - change: integrate [sentry sdk][sentry sdk] for panic reporting and analysis
 - fix: call referenced api/testcase with relative path
 
 **python version**
 
+- change: remove locust, you should run load tests with go version
+- change: remove fastapi and uvicorn dependencies
 - fix: ignore exceptions when reporting GA events
 - fix: remove misuse of NoReturn in Python typing
 
diff --git a/docs/cmd/hrp.md b/docs/cmd/hrp.md
index cdfed299..203deeaa 100644
--- a/docs/cmd/hrp.md
+++ b/docs/cmd/hrp.md
@@ -33,4 +33,4 @@ Copyright 2021 debugtalk
 * [hrp run](hrp_run.md)	 - run API test
 * [hrp startproject](hrp_startproject.md)	 - create a scaffold project
 
-###### Auto generated by spf13/cobra on 23-Mar-2022
+###### Auto generated by spf13/cobra on 26-Mar-2022
diff --git a/docs/cmd/hrp_boom.md b/docs/cmd/hrp_boom.md
index fabc691d..3b172a65 100644
--- a/docs/cmd/hrp_boom.md
+++ b/docs/cmd/hrp_boom.md
@@ -41,4 +41,4 @@ hrp boom [flags]
 
 * [hrp](hrp.md)	 - One-stop solution for HTTP(S) testing.
 
-###### Auto generated by spf13/cobra on 23-Mar-2022
+###### Auto generated by spf13/cobra on 26-Mar-2022
diff --git a/docs/cmd/hrp_har2case.md b/docs/cmd/hrp_har2case.md
index 036db7c0..918f27aa 100644
--- a/docs/cmd/hrp_har2case.md
+++ b/docs/cmd/hrp_har2case.md
@@ -15,6 +15,7 @@ hrp har2case $har_path... [flags]
 ```
   -h, --help                help for har2case
   -d, --output-dir string   specify output directory, default to the same dir with har file
+  -p, --profile string      specify profile path to override headers and cookies
   -j, --to-json             convert to JSON format (default true)
   -y, --to-yaml             convert to YAML format
 ```
@@ -23,4 +24,4 @@ hrp har2case $har_path... [flags]
 
 * [hrp](hrp.md)	 - One-stop solution for HTTP(S) testing.
 
-###### Auto generated by spf13/cobra on 23-Mar-2022
+###### Auto generated by spf13/cobra on 26-Mar-2022
diff --git a/docs/cmd/hrp_run.md b/docs/cmd/hrp_run.md
index d066ff6d..9853458d 100644
--- a/docs/cmd/hrp_run.md
+++ b/docs/cmd/hrp_run.md
@@ -34,4 +34,4 @@ hrp run $path... [flags]
 
 * [hrp](hrp.md)	 - One-stop solution for HTTP(S) testing.
 
-###### Auto generated by spf13/cobra on 23-Mar-2022
+###### Auto generated by spf13/cobra on 26-Mar-2022
diff --git a/docs/cmd/hrp_startproject.md b/docs/cmd/hrp_startproject.md
index 55c4934c..12039f93 100644
--- a/docs/cmd/hrp_startproject.md
+++ b/docs/cmd/hrp_startproject.md
@@ -19,4 +19,4 @@ hrp startproject $project_name [flags]
 
 * [hrp](hrp.md)	 - One-stop solution for HTTP(S) testing.
 
-###### Auto generated by spf13/cobra on 23-Mar-2022
+###### Auto generated by spf13/cobra on 26-Mar-2022
diff --git a/examples/hrp/har/demo.har b/examples/data/har/demo.har
similarity index 100%
rename from examples/hrp/har/demo.har
rename to examples/data/har/demo.har
diff --git a/examples/hrp/har/demo.json b/examples/data/har/demo.json
similarity index 100%
rename from examples/hrp/har/demo.json
rename to examples/data/har/demo.json
diff --git a/examples/hrp/har/postman-echo.har b/examples/data/har/postman-echo.har
similarity index 100%
rename from examples/hrp/har/postman-echo.har
rename to examples/data/har/postman-echo.har
diff --git a/examples/data/har2case/profile.yml b/examples/data/har/profile.yml
similarity index 74%
rename from examples/data/har2case/profile.yml
rename to examples/data/har/profile.yml
index ef8695e3..69963ba2 100644
--- a/examples/data/har2case/profile.yml
+++ b/examples/data/har/profile.yml
@@ -1,4 +1,4 @@
 headers:
     Content-Type: "application/x-www-form-urlencoded"
 cookies:
-    CASTGC: "TGT"
\ No newline at end of file
+    UserName: "debugtalk"
\ No newline at end of file
diff --git a/examples/hrp/compat_test.go b/examples/hrp/compat_test.go
index a66eb843..336b30d6 100644
--- a/examples/hrp/compat_test.go
+++ b/examples/hrp/compat_test.go
@@ -6,7 +6,7 @@ import (
 	"github.com/httprunner/httprunner/hrp"
 )
 
-// generated by examples/hrp/har/demo.har using HttpRunner v3.1.6
+// generated by examples/data/har/demo.har using HttpRunner v3.1.6
 var (
 	demoHttpRunnerJSONPath hrp.TestCasePath = "demo_httprunner.json"
 	demoHttpRunnerYAMLPath hrp.TestCasePath = "demo_httprunner.yaml"
diff --git a/examples/hrp/har/postman-echo.yaml b/examples/hrp/har/postman-echo.yaml
deleted file mode 100644
index ea92ed12..00000000
--- a/examples/hrp/har/postman-echo.yaml
+++ /dev/null
@@ -1,1101 +0,0 @@
-config:
-    name: testcase description
-teststeps:
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/get
-        params:
-            foo1: bar1
-            foo2: bar2
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: ea19464c-ddd4-4724-abe9-5e2b254c2723
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3ASAXM8INphoz4_-5nCeQNBtrlsWuHs5Mt.83PsbOXUZUoPolzR2vpghXLUghDPLyA3NSrVKI8A8ws
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.url
-          assert: equals
-          expect: https://postman-echo.com/get?foo1=bar1&foo2=bar2
-          msg: assert response body url
-    - name: ""
-      request:
-        method: POST
-        url: https://postman-echo.com/post
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Content-Length: "58"
-            Content-Type: text/plain
-            Host: postman-echo.com
-            Postman-Token: 40756814-a974-4fcc-98d2-1f2aec73c295
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3Ack89N2nb1AxU-T-nxvJrvOS1KvUXbiU2.3nAhh%2FjA%2F%2FNvHtWI8NApXa1QWV3hDD6LBsfUwpIdYQc
-        body: This is expected to be sent back as part of response body.
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.data
-          assert: equals
-          expect: This is expected to be sent back as part of response body.
-          msg: assert response body data
-        - check: body.json
-          assert: equals
-          expect: null
-          msg: assert response body json
-        - check: body.url
-          assert: equals
-          expect: https://postman-echo.com/post
-          msg: assert response body url
-    - name: ""
-      request:
-        method: POST
-        url: https://postman-echo.com/post
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Content-Length: "19"
-            Content-Type: application/x-www-form-urlencoded
-            Host: postman-echo.com
-            Postman-Token: 93843e50-2fe8-422d-b900-91095f9f0cdb
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3A4bF7QNsgYKOBRnxJEclo-wiPIm6YxzFY.zmgnSBoVtZ3C40cBCJPsFS6KXTPoQBlKdS2FIdoxFaA
-        body: foo1=bar1&foo2=bar2
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.data
-          assert: equals
-          expect: ""
-          msg: assert response body data
-        - check: body.url
-          assert: equals
-          expect: https://postman-echo.com/post
-          msg: assert response body url
-    - name: ""
-      request:
-        method: PUT
-        url: https://postman-echo.com/put
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Content-Length: "58"
-            Content-Type: text/plain
-            Host: postman-echo.com
-            Postman-Token: 5d357b2b-0f10-4ded-bc9a-299ebef7a2d5
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3A7Kp8q3TlXZgZpLiLQNE4OGvpaqJwWmWX.SkW6gD2iyLO%2FFZYMAbg0bTsfuHwnEBezprz6nbykPWg
-        body: This is expected to be sent back as part of response body.
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.data
-          assert: equals
-          expect: This is expected to be sent back as part of response body.
-          msg: assert response body data
-        - check: body.json
-          assert: equals
-          expect: null
-          msg: assert response body json
-        - check: body.url
-          assert: equals
-          expect: https://postman-echo.com/put
-          msg: assert response body url
-    - name: ""
-      request:
-        method: PATCH
-        url: https://postman-echo.com/patch
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Content-Length: "58"
-            Content-Type: text/plain
-            Host: postman-echo.com
-            Postman-Token: 27a30a79-5d88-43c0-8c83-fce5bb585729
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3ArMIVJXM1u78IGSzps0LYNjimloLEMdqk.6bzxgShLW4DTNlqRdZREK7OUV1kqu2kMHtEVxR9Xlyg
-        body: This is expected to be sent back as part of response body.
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.data
-          assert: equals
-          expect: This is expected to be sent back as part of response body.
-          msg: assert response body data
-        - check: body.json
-          assert: equals
-          expect: null
-          msg: assert response body json
-        - check: body.url
-          assert: equals
-          expect: https://postman-echo.com/patch
-          msg: assert response body url
-    - name: ""
-      request:
-        method: DELETE
-        url: https://postman-echo.com/delete
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Content-Length: "58"
-            Content-Type: text/plain
-            Host: postman-echo.com
-            Postman-Token: b11f7819-4c39-41b3-9d06-696b38c3e515
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AlTv3pBzULeMHqjWpJWW-rwLZYYdqzSyW.J5YSZCf1unKehq5zNyuee%2B2xYkqoK%2BcTPTr3RzHYtYM
-        body: This is expected to be sent back as part of response body.
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.data
-          assert: equals
-          expect: This is expected to be sent back as part of response body.
-          msg: assert response body data
-        - check: body.json
-          assert: equals
-          expect: null
-          msg: assert response body json
-        - check: body.url
-          assert: equals
-          expect: https://postman-echo.com/delete
-          msg: assert response body url
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/headers
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 1a4e2039-d29b-4ed7-89e9-584b354246be
-            User-Agent: PostmanRuntime/7.28.4
-            my-sample-header: Lorem ipsum dolor sit amet
-        cookies:
-            sails.sid: s%3A6Sj7Mduyb72fC-X0OQbDmFqp77bVEgt8.b5X8H%2BtACzKfkUlH%2FBtSYH%2FdSQ5fHynzHjK8gE3s%2FpI
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/response-headers
-        params:
-            foo1: bar1
-            foo2: bar2
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: b00d3c25-a84b-4152-bcf8-4c573c06024b
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AvvP5l4Bk7WCLBU9LNXalNk4w4x3Q_2Zi.JiGgykR8RlAGIdRWv%2FdCmCL0Tbmwyni9KkXXgnzn59s
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.foo1
-          assert: equals
-          expect: bar1
-          msg: assert response body foo1
-        - check: body.foo2
-          assert: equals
-          expect: bar2
-          msg: assert response body foo2
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/basic-auth
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Authorization: Basic cG9zdG1hbjpwYXNzd29yZA==
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: d9f810a2-292d-41c4-95e1-ec9f9ae778d6
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3APA71Iib2-7KqjRMajldmUsDqOqmRDB6-.zpTeobSmlq81Z7R%2FyL7q3o8%2FAP0tfOOZSPQdBlirJ6g
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.authenticated
-          assert: equals
-          expect: true
-          msg: assert response body authenticated
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/digest-auth
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Authorization: Digest username="postman", realm="Users", nonce="W7kT5VowsR0pcTfL9fTwZKv2tRdEiG6c", uri="/digest-auth", algorithm="MD5", response="bab1b1e6534f84b43e9deb17bca9371b"
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 42e8340a-852b-4c7a-ab7d-d0b027f044ca
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AT2IbNG9nLojvklvDr1mo2cCftGUgcAgU.f1XqnM5ebKiLtIs3CKYYvBo7j5iHwiP9EuG9i91RR%2FU
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.authenticated
-          assert: equals
-          expect: true
-          msg: assert response body authenticated
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/auth/hawk
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Authorization: Hawk id="dh37fgj492je", ts="1634367906", nonce="RZKGNz", mac="EASK1an/9fmDhFJcqH8XE4pTuUaSJisuQVM+NCOjNlM="
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 46645864-583c-446b-9d36-9610fb114d99
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AWyHRwAoLc64u8sF_LqU0BUYAieEguHiH.gb%2BNYX72g6n5lHjLdl5K1hsKmLHYJUwoOwKkDWVl7qY
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.message
-          assert: equals
-          expect: Hawk Authentication Successful
-          msg: assert response body message
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/oauth1
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Authorization: OAuth oauth_consumer_key="RKCGzna7bv9YD57c",oauth_signature_method="HMAC-SHA1",oauth_timestamp="1634367907",oauth_nonce="pAoTV0k5VZa",oauth_signature="ZTkfsaUA1B2s7kyl3HaFm1zFow4%3D"
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 3d9db9bb-5bcf-425e-b0e4-a958c07d7969
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AZQRuQaIb28umtrzP-HOj4fSqeag88Pvj.KVLylhlYJ3JKMHUS0UVeLCT6qRcBgQl%2BM14UxI7EgQs
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.message
-          assert: equals
-          expect: OAuth-1.0a signature verification was successful
-          msg: assert response body message
-        - check: body.status
-          assert: equals
-          expect: pass
-          msg: assert response body status
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/cookies/set
-        params:
-            foo1: bar1
-            foo2: bar2
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: ff927796-58d3-4f43-8701-8411747c4313
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AsdmvN2_ZNE0YlwQY5GxY04ptWTOYR5NU.kkH0dnWlEMsblzPMurLX8nsQRRbRqLqteIhA0621onY
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 302
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: text/plain; charset=utf-8
-          msg: assert response header Content-Type
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/cookies
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: ff927796-58d3-4f43-8701-8411747c4313
-            Referer: https://postman-echo.com/cookies/set?foo1=bar1&foo2=bar2
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            foo1: bar1
-            foo2: bar2
-            sails.sid: s%3AlVpTnkb0ofz6HC7QJMVtiRexW3u_onsT.rmsoerMcOQOu7KYPU80x%2FBiieqBESMNj%2FxuCvbbw%2BsQ
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/cookies
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 2dbc6d22-1713-4b96-a1a2-3358b1a1deaa
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            foo1: bar1
-            foo2: bar2
-            sails.sid: s%3Avz13GzkqWaYvFuB3I35udi2vLsikZZgi.YgVWfqmyjPpEduyCIZDFGyDSPYY8%2FFM7HePC5Ok0hQM
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/cookies/delete
-        params:
-            foo1: ""
-            foo2: ""
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 8837dd89-9db7-4f06-9187-e7a85a99b945
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            foo1: bar1
-            foo2: bar2
-            sails.sid: s%3AQ8MT5sT-2LAO0Rk7bNLLR18UQWgaJMsg.eOEyhDjqWGwn2rdqWeGLstPmrn5H1OUZGlDLuI%2F1Nng
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 302
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: text/plain; charset=utf-8
-          msg: assert response header Content-Type
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/cookies
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 8837dd89-9db7-4f06-9187-e7a85a99b945
-            Referer: https://postman-echo.com/cookies/delete?foo1&foo2
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3A1atMUPWbEEDiMqdbTqbddbqiFujSi1l2.6n40eqlOkTsKoB6K7xT98PrfQweiPlTjJTfZl%2FpAEsU
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/status/200
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 5f4c6d97-d476-407e-bbf9-532480f618d8
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3A5p9FN9UVGZ9XJl6I9FXiz0AwIQRRU1ka.RFuMLR9arGQaLkM1gbvuPosvzPxsREHGEjjiVF4TXnQ
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.status
-          assert: equals
-          expect: 200
-          msg: assert response body status
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/stream/5
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 24ca01aa-6c3f-4a78-a437-33dfa8dadd0f
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AFD7Hy01JAAenWz9SoQQhJxH4Qxel9sbP.%2Ba5JmTwqOpkc%2FAOLOzzsfStpK2MTfZCYXiCoA39Zt7w
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/delay/2
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: d2ade32f-4bb8-4e6d-90d3-5fa7560def12
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AqSePO9_VmCbBbVvsCMYMHm3lShKdFNWU.RFuwKJdlZHVyB0gF1x2Yt78v5jKbese6f8HNPIjI5AY
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.delay
-          assert: equals
-          expect: "2"
-          msg: assert response body delay
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/encoding/utf8
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: bd39f8e4-8072-4ec3-b498-3aaacb621544
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AXrCX-GaGzqizPQY2AdLTLNPO_cFgVsGD.BwOoj2gClsAzDrsP0%2FObypcumuYCfV%2F4vHCrKIWdTAQ
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: text/html; charset=utf-8
-          msg: assert response header Content-Type
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/gzip
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: ef40db18-75f9-4d0c-9fe8-94274a0a589e
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AdknETdvYiCwRbtxpWR58ZhmohmZJOqdI.SA8%2FR072CZkldOTuVv7TYyKpzEQWpkt%2F2YTTTBFn%2BzU
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.gzipped
-          assert: equals
-          expect: true
-          msg: assert response body gzipped
-        - check: body.method
-          assert: equals
-          expect: GET
-          msg: assert response body method
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/deflate
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 06b47e94-9131-4ab7-8d0e-d0990f1a1144
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AdknETdvYiCwRbtxpWR58ZhmohmZJOqdI.SA8%2FR072CZkldOTuVv7TYyKpzEQWpkt%2F2YTTTBFn%2BzU
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.deflated
-          assert: equals
-          expect: true
-          msg: assert response body deflated
-        - check: body.method
-          assert: equals
-          expect: GET
-          msg: assert response body method
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/ip
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 246c423e-9285-4fad-b471-434bf4bf3369
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3A_sZ_Nn5QQ0b2Swfp9tMHX9CWKJb9X3is.fa%2FQ9D9WhuFBgpatC2Yo33cPynch4YqbG%2Fw9iB92Jxo
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.ip
-          assert: equals
-          expect: 122.14.229.79
-          msg: assert response body ip
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/now
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: e1107fa9-80cb-4e69-b3dd-6fd0c92832b1
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AFqdFnM7dGE1ds2DZfijQergoGKJKdivs.TZy6jaQuf3wKK7VHSuQRNwDrZuuvCx3pGhhj7lKouQs
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: text/html; charset=utf-8
-          msg: assert response header Content-Type
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/valid
-        params:
-            timestamp: "2016-10-10"
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 05eb8403-8a83-4bde-bdd4-67952910c00f
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AFqdFnM7dGE1ds2DZfijQergoGKJKdivs.TZy6jaQuf3wKK7VHSuQRNwDrZuuvCx3pGhhj7lKouQs
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.valid
-          assert: equals
-          expect: true
-          msg: assert response body valid
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/format
-        params:
-            format: mm
-            timestamp: "2016-10-10"
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 7bab6bdc-6fe5-4eb8-aff0-3cfa08e5a823
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3Ai_9yOOqBlD9Nq0-5kptXL_qLhgITKpaZ.HU5sTJC0jVIzJvykONaDFYTiMZrZpQgdiwMInhSADss
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.format
-          assert: equals
-          expect: "20"
-          msg: assert response body format
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/unit
-        params:
-            timestamp: "2016-10-10"
-            unit: day
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 8dbb7595-3ff0-47cd-8883-4c1f24a840ef
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AlSI63UO-j2SWcK0YQfFAScLu2YKvhtlr.0wPoZkmPHUiNtTVy55Bdt9ulnQxk%2FahmG6a7%2BE6gtg8
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.unit
-          assert: equals
-          expect: 1
-          msg: assert response body unit
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/add
-        params:
-            timestamp: "2016-10-10"
-            years: "100"
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 12c5137f-ee8e-48c2-b1b7-99c85f0667e4
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AlSI63UO-j2SWcK0YQfFAScLu2YKvhtlr.0wPoZkmPHUiNtTVy55Bdt9ulnQxk%2FahmG6a7%2BE6gtg8
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.sum
-          assert: equals
-          expect: Sat Oct 10 2116 00:00:00 GMT+0000
-          msg: assert response body sum
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/subtract
-        params:
-            timestamp: "2016-10-10"
-            years: "50"
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: d903ee32-4361-44a4-af56-819e7fa10cc4
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3A5OS8kEURZ8ZYZzfO7we0KvxaGI1AdMRZ.L6C2S4%2B6rTQd5qdQufDhV9rDv9CJgENLudOAk9h0Yow
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.difference
-          assert: equals
-          expect: Mon Oct 10 1966 00:00:00 GMT+0000
-          msg: assert response body difference
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/start
-        params:
-            timestamp: "2016-10-10"
-            unit: month
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 2d666d32-2815-45be-ae8d-266eea519043
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3A2PKCLJCVRo_5V_uagkV5b3Kn9dV0eQUm.Dp5OFZ%2FCtOcDKqB8y8yywFHO6LbN9oe10o4DQ%2FnoKRk
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.start
-          assert: equals
-          expect: Sat Oct 01 2016 00:00:00 GMT+0000
-          msg: assert response body start
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/object
-        params:
-            timestamp: "2016-10-10"
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 6ecae5c7-b9b4-450d-865c-10aea2f6384c
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AWJZnlAAItW8H8a4UMGox8Iz7cv3TM5Zq.YRYNuDnd6fkHDDvlbilW9q4AkvSPwE8SsBs2JRC52HU
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.date
-          assert: equals
-          expect: 10
-          msg: assert response body date
-        - check: body.hours
-          assert: equals
-          expect: 0
-          msg: assert response body hours
-        - check: body.milliseconds
-          assert: equals
-          expect: 0
-          msg: assert response body milliseconds
-        - check: body.minutes
-          assert: equals
-          expect: 0
-          msg: assert response body minutes
-        - check: body.months
-          assert: equals
-          expect: 9
-          msg: assert response body months
-        - check: body.seconds
-          assert: equals
-          expect: 0
-          msg: assert response body seconds
-        - check: body.years
-          assert: equals
-          expect: 2016
-          msg: assert response body years
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/before
-        params:
-            target: "2017-10-10"
-            timestamp: "2016-10-10"
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: faaa8cb6-13c5-4d0c-a7d2-133520637dde
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AJSsXggdxTpnvv6WVFqDrJ8Sjeuu77nE4.IcUuska8iBP1lkpKISqwIPOaqy5qLB%2F2o8v2Txs%2F5f8
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.before
-          assert: equals
-          expect: true
-          msg: assert response body before
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/after
-        params:
-            target: "2017-10-10"
-            timestamp: "2016-10-10"
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 28c6c8f1-bb76-4fce-986c-adc2fd5df80d
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AQ9JCfRzQhaoMt6eD7gx_qk3JQ8CWnAxO.g3tHBGmTN8Vc1mqWWnSqGV1VOQdmKk8HG3z29e%2FBzhA
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.after
-          assert: equals
-          expect: false
-          msg: assert response body after
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/between
-        params:
-            end: "2019-10-10"
-            start: "2017-10-10"
-            timestamp: "2016-10-10"
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 32aaca4e-02a8-4559-9368-5705a1a65e19
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AYE-1ygWzH5aScrDeYC7-Q8-dC1A5zkJv.XyirbigQ0duqX6jD9om1q%2FS%2FqkhbFl43yu7HHYciXkI
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.between
-          assert: equals
-          expect: false
-          msg: assert response body between
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/time/leap
-        params:
-            timestamp: "2016-10-10"
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: ff77428a-b157-463a-91e0-e5126d99d6c0
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AYE-1ygWzH5aScrDeYC7-Q8-dC1A5zkJv.XyirbigQ0duqX6jD9om1q%2FS%2FqkhbFl43yu7HHYciXkI
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 200
-          msg: assert response status code
-        - check: headers."Content-Type"
-          assert: equals
-          expect: application/json; charset=utf-8
-          msg: assert response header Content-Type
-        - check: body.leap
-          assert: equals
-          expect: true
-          msg: assert response body leap
-    - name: ""
-      request:
-        method: GET
-        url: https://postman-echo.com/digest-auth
-        headers:
-            Accept: '*/*'
-            Accept-Encoding: gzip, deflate, br
-            Cache-Control: no-cache
-            Connection: keep-alive
-            Host: postman-echo.com
-            Postman-Token: 8f6b453b-580c-44bc-8f9f-b2baa64ab530
-            User-Agent: PostmanRuntime/7.28.4
-        cookies:
-            sails.sid: s%3AhLPrbCV0ByxRorQusdRky8bws0S2qQjf.V4SIDOu%2BdIgGVSCA5qvRYwhi3xR%2Bd0R9gL9RDUPdpI4
-      validate:
-        - check: status_code
-          assert: equals
-          expect: 401
-          msg: assert response status code
diff --git a/hrp/cmd/har2case.go b/hrp/cmd/har2case.go
index 0b37a296..ee8380c1 100644
--- a/hrp/cmd/har2case.go
+++ b/hrp/cmd/har2case.go
@@ -34,6 +34,12 @@ var har2caseCmd = &cobra.Command{
 			if outputDir != "" {
 				har.SetOutputDir(outputDir)
 			}
+
+			// specify profile
+			if profilePath != "" {
+				har.SetProfile(profilePath)
+			}
+
 			// generate json/yaml files
 			if genYAMLFlag {
 				outputPath, err = har.GenYAML()
@@ -54,6 +60,7 @@ var (
 	genJSONFlag bool
 	genYAMLFlag bool
 	outputDir   string
+	profilePath string
 )
 
 func init() {
@@ -61,4 +68,5 @@ func init() {
 	har2caseCmd.Flags().BoolVarP(&genJSONFlag, "to-json", "j", true, "convert to JSON format")
 	har2caseCmd.Flags().BoolVarP(&genYAMLFlag, "to-yaml", "y", false, "convert to YAML format")
 	har2caseCmd.Flags().StringVarP(&outputDir, "output-dir", "d", "", "specify output directory, default to the same dir with har file")
+	har2caseCmd.Flags().StringVarP(&profilePath, "profile", "p", "", "specify profile path to override headers and cookies")
 }
diff --git a/hrp/internal/builtin/function.go b/hrp/internal/builtin/function.go
index 40a676a2..ec8abf04 100644
--- a/hrp/internal/builtin/function.go
+++ b/hrp/internal/builtin/function.go
@@ -6,7 +6,6 @@ import (
 	"encoding/csv"
 	"encoding/hex"
 	builtinJSON "encoding/json"
-	"errors"
 	"fmt"
 	"math"
 	"math/rand"
@@ -17,6 +16,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/pkg/errors"
 	"github.com/rs/zerolog/log"
 	"gopkg.in/yaml.v3"
 
@@ -235,13 +235,12 @@ func LoadFile(path string, structObj interface{}) (err error) {
 	log.Info().Str("path", path).Msg("load file")
 	file, err := readFile(path)
 	if err != nil {
-		log.Error().Err(err).Msg("read file failed")
-		return err
+		return errors.Wrap(err, "read file failed")
 	}
 
 	ext := filepath.Ext(path)
 	switch ext {
-	case ".json":
+	case ".json", ".har":
 		decoder := json.NewDecoder(bytes.NewReader(file))
 		decoder.UseNumber()
 		err = decoder.Decode(structObj)
diff --git a/hrp/internal/har2case/core.go b/hrp/internal/har2case/core.go
index 5cfa5f22..2848fdba 100644
--- a/hrp/internal/har2case/core.go
+++ b/hrp/internal/har2case/core.go
@@ -3,9 +3,7 @@ package har2case
 import (
 	"encoding/base64"
 	"fmt"
-	"io"
 	"net/url"
-	"os"
 	"path/filepath"
 	"sort"
 	"strings"
@@ -31,13 +29,25 @@ func NewHAR(path string) *har {
 }
 
 type har struct {
-	path       string
-	filterStr  string
-	excludeStr string
-	outputDir  string
+	path        string
+	filterStr   string
+	excludeStr  string
+	profileJSON map[string]interface{}
+	outputDir   string
+}
+
+func (h *har) SetProfile(path string) {
+	log.Info().Str("path", path).Msg("set profile")
+	h.profileJSON = make(map[string]interface{})
+	err := builtin.LoadFile(path, h.profileJSON)
+	if err != nil {
+		log.Warn().Str("path", path).
+			Msg("invalid profile format, ignore!")
+	}
 }
 
 func (h *har) SetOutputDir(dir string) {
+	log.Info().Str("dir", dir).Msg("set output directory")
 	h.outputDir = dir
 }
 
@@ -93,23 +103,11 @@ func (h *har) makeTestCase() (*hrp.TCase, error) {
 }
 
 func (h *har) load() (*Har, error) {
-	fp, err := os.Open(h.path)
-	if err != nil {
-		return nil, fmt.Errorf("open: %w", err)
-	}
-
-	data, err := io.ReadAll(fp)
-	fp.Close()
-	if err != nil {
-		return nil, fmt.Errorf("read: %w", err)
-	}
-
 	har := &Har{}
-	err = json.Unmarshal(data, har)
+	err := builtin.LoadFile(h.path, har)
 	if err != nil {
-		return nil, fmt.Errorf("json.Unmarshal error: %w", err)
+		return nil, errors.Wrap(err, "load har failed")
 	}
-
 	return har, nil
 }
 
@@ -147,6 +145,7 @@ func (h *har) prepareTestStep(entry *Entry) (*hrp.TStep, error) {
 			Request:    &hrp.Request{},
 			Validators: make([]interface{}, 0),
 		},
+		profileJSON: h.profileJSON,
 	}
 	if err := step.makeRequestMethod(entry); err != nil {
 		return nil, err
@@ -174,6 +173,7 @@ func (h *har) prepareTestStep(entry *Entry) (*hrp.TStep, error) {
 
 type tStep struct {
 	hrp.TStep
+	profileJSON map[string]interface{}
 }
 
 func (s *tStep) makeRequestMethod(entry *Entry) error {
@@ -201,6 +201,21 @@ func (s *tStep) makeRequestParams(entry *Entry) error {
 
 func (s *tStep) makeRequestCookies(entry *Entry) error {
 	s.Request.Cookies = make(map[string]string)
+	cookies, ok := s.profileJSON["cookies"]
+	if ok {
+		// use cookies from profile
+		cookies, ok := cookies.(map[string]interface{})
+		if ok {
+			for k, v := range cookies {
+				s.Request.Cookies[k] = fmt.Sprintf("%v", v)
+			}
+			return nil
+		}
+		log.Warn().Interface("cookies", cookies).
+			Msg("cookies from profile is not a map, ignore!")
+	}
+
+	// use cookies from har
 	for _, cookie := range entry.Request.Cookies {
 		s.Request.Cookies[cookie.Name] = cookie.Value
 	}
@@ -209,6 +224,21 @@ func (s *tStep) makeRequestCookies(entry *Entry) error {
 
 func (s *tStep) makeRequestHeaders(entry *Entry) error {
 	s.Request.Headers = make(map[string]string)
+	headers, ok := s.profileJSON["headers"]
+	if ok {
+		// use headers from profile
+		cookies, ok := headers.(map[string]interface{})
+		if ok {
+			for k, v := range cookies {
+				s.Request.Headers[k] = fmt.Sprintf("%v", v)
+			}
+			return nil
+		}
+		log.Warn().Interface("headers", headers).
+			Msg("headers from profile is not a map, ignore!")
+	}
+
+	// use headers from har
 	for _, header := range entry.Request.Headers {
 		if strings.EqualFold(header.Name, "cookie") {
 			continue
diff --git a/hrp/internal/har2case/core_test.go b/hrp/internal/har2case/core_test.go
index 385ec07e..d9953a98 100644
--- a/hrp/internal/har2case/core_test.go
+++ b/hrp/internal/har2case/core_test.go
@@ -9,8 +9,9 @@ import (
 )
 
 var (
-	harPath  = "../../../examples/hrp/har/demo.har"
-	harPath2 = "../../../examples/hrp/har/postman-echo.har"
+	harPath     = "../../../examples/data/har/demo.har"
+	harPath2    = "../../../examples/data/har/postman-echo.har"
+	profilePath = "../../../examples/data/har/profile.yml"
 )
 
 func TestGenJSON(t *testing.T) {
@@ -47,6 +48,26 @@ func TestLoadHAR(t *testing.T) {
 	}
 }
 
+func TestLoadHARWithProfile(t *testing.T) {
+	har := NewHAR(harPath)
+	har.SetProfile(profilePath)
+	_, err := har.load()
+	if !assert.NoError(t, err) {
+		t.Fail()
+	}
+
+	if !assert.Equal(t,
+		map[string]interface{}{"Content-Type": "application/x-www-form-urlencoded"},
+		har.profileJSON["headers"]) {
+		t.Fail()
+	}
+	if !assert.Equal(t,
+		map[string]interface{}{"UserName": "debugtalk"},
+		har.profileJSON["cookies"]) {
+		t.Fail()
+	}
+}
+
 func TestMakeTestCase(t *testing.T) {
 	har := NewHAR(harPath)
 	tCase, err := har.makeTestCase()
@@ -115,12 +136,105 @@ func TestMakeTestCase(t *testing.T) {
 }
 
 func TestGetFilenameWithoutExtension(t *testing.T) {
-	filename := getFilenameWithoutExtension("../../../examples/hrp/har/postman-echo.har")
+	filename := getFilenameWithoutExtension(harPath2)
 	if !assert.Equal(t, "postman-echo", filename) {
 		t.Fail()
 	}
 }
 
+func TestMakeRequestHeaders(t *testing.T) {
+	har := NewHAR("")
+	entry := &Entry{
+		Request: Request{
+			Method: "POST",
+			Headers: []NVP{
+				{Name: "Content-Type", Value: "application/json; charset=utf-8"},
+			},
+		},
+	}
+	step, err := har.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fail()
+	}
+
+	if !assert.Equal(t, map[string]string{
+		"Content-Type": "application/json; charset=utf-8",
+	}, step.Request.Headers) {
+		t.Fail()
+	}
+}
+
+func TestMakeRequestHeadersWithProfile(t *testing.T) {
+	har := NewHAR("")
+	har.SetProfile(profilePath)
+	entry := &Entry{
+		Request: Request{
+			Method: "POST",
+			Headers: []NVP{
+				{Name: "Content-Type", Value: "application/json; charset=utf-8"},
+			},
+		},
+	}
+	step, err := har.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fail()
+	}
+
+	if !assert.Equal(t, map[string]string{
+		"Content-Type": "application/x-www-form-urlencoded",
+	}, step.Request.Headers) {
+		t.Fail()
+	}
+}
+
+func TestMakeRequestCookies(t *testing.T) {
+	har := NewHAR("")
+	entry := &Entry{
+		Request: Request{
+			Method: "POST",
+			Cookies: []Cookie{
+				{Name: "abc", Value: "123"},
+				{Name: "UserName", Value: "leolee"},
+			},
+		},
+	}
+	step, err := har.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fail()
+	}
+
+	if !assert.Equal(t, map[string]string{
+		"abc":      "123",
+		"UserName": "leolee",
+	}, step.Request.Cookies) {
+		t.Fail()
+	}
+}
+
+func TestMakeRequestCookiesWithProfile(t *testing.T) {
+	har := NewHAR("")
+	har.SetProfile(profilePath)
+	entry := &Entry{
+		Request: Request{
+			Method: "POST",
+			Cookies: []Cookie{
+				{Name: "abc", Value: "123"},
+				{Name: "UserName", Value: "leolee"},
+			},
+		},
+	}
+	step, err := har.prepareTestStep(entry)
+	if !assert.NoError(t, err) {
+		t.Fail()
+	}
+
+	if !assert.Equal(t, map[string]string{
+		"UserName": "debugtalk",
+	}, step.Request.Cookies) {
+		t.Fail()
+	}
+}
+
 func TestMakeRequestDataParams(t *testing.T) {
 	har := NewHAR("")
 	entry := &Entry{