diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 1086a3b7..7b009c42 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -7,6 +7,8 @@
 - feat: support setting global testcase timeout and step timeout
 - change: set http request timeout default to 120s
 - fix: insert response cookies into request for redirect requests
+- fix: support log debug level for load testing
+- fix: failed to load json/data content in api reference
 
 ## v4.1.4 (2022-06-17)
 
diff --git a/docs/cmd/hrp.md b/docs/cmd/hrp.md
index b463110b..63fd18af 100644
--- a/docs/cmd/hrp.md
+++ b/docs/cmd/hrp.md
@@ -37,4 +37,4 @@ Copyright 2017 debugtalk
 * [hrp startproject](hrp_startproject.md)	 - create a scaffold project
 * [hrp wiki](hrp_wiki.md)	 - visit https://httprunner.com
 
-###### Auto generated by spf13/cobra on 17-Jun-2022
+###### Auto generated by spf13/cobra on 26-Jun-2022
diff --git a/docs/cmd/hrp_boom.md b/docs/cmd/hrp_boom.md
index 7bbd0e18..692b09db 100644
--- a/docs/cmd/hrp_boom.md
+++ b/docs/cmd/hrp_boom.md
@@ -42,4 +42,4 @@ hrp boom [flags]
 
 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.
 
-###### Auto generated by spf13/cobra on 17-Jun-2022
+###### Auto generated by spf13/cobra on 26-Jun-2022
diff --git a/docs/cmd/hrp_build.md b/docs/cmd/hrp_build.md
index 20801c49..73b471c1 100644
--- a/docs/cmd/hrp_build.md
+++ b/docs/cmd/hrp_build.md
@@ -28,4 +28,4 @@ hrp build $path ... [flags]
 
 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.
 
-###### Auto generated by spf13/cobra on 17-Jun-2022
+###### Auto generated by spf13/cobra on 26-Jun-2022
diff --git a/docs/cmd/hrp_convert.md b/docs/cmd/hrp_convert.md
index 8bd7c791..5ac017df 100644
--- a/docs/cmd/hrp_convert.md
+++ b/docs/cmd/hrp_convert.md
@@ -22,4 +22,4 @@ hrp convert $path... [flags]
 
 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.
 
-###### Auto generated by spf13/cobra on 17-Jun-2022
+###### Auto generated by spf13/cobra on 26-Jun-2022
diff --git a/docs/cmd/hrp_pytest.md b/docs/cmd/hrp_pytest.md
index a8ff2733..4aa4bcf7 100644
--- a/docs/cmd/hrp_pytest.md
+++ b/docs/cmd/hrp_pytest.md
@@ -16,4 +16,4 @@ hrp pytest $path ... [flags]
 
 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.
 
-###### Auto generated by spf13/cobra on 17-Jun-2022
+###### Auto generated by spf13/cobra on 26-Jun-2022
diff --git a/docs/cmd/hrp_run.md b/docs/cmd/hrp_run.md
index ff3f3a99..b20e39e9 100644
--- a/docs/cmd/hrp_run.md
+++ b/docs/cmd/hrp_run.md
@@ -35,4 +35,4 @@ hrp run $path... [flags]
 
 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.
 
-###### Auto generated by spf13/cobra on 17-Jun-2022
+###### Auto generated by spf13/cobra on 26-Jun-2022
diff --git a/docs/cmd/hrp_startproject.md b/docs/cmd/hrp_startproject.md
index 446ffa47..91a9d782 100644
--- a/docs/cmd/hrp_startproject.md
+++ b/docs/cmd/hrp_startproject.md
@@ -21,4 +21,4 @@ hrp startproject $project_name [flags]
 
 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.
 
-###### Auto generated by spf13/cobra on 17-Jun-2022
+###### Auto generated by spf13/cobra on 26-Jun-2022
diff --git a/docs/cmd/hrp_wiki.md b/docs/cmd/hrp_wiki.md
index 6c3fec59..f07574a9 100644
--- a/docs/cmd/hrp_wiki.md
+++ b/docs/cmd/hrp_wiki.md
@@ -16,4 +16,4 @@ hrp wiki [flags]
 
 * [hrp](hrp.md)	 - Next-Generation API Testing Solution.
 
-###### Auto generated by spf13/cobra on 17-Jun-2022
+###### Auto generated by spf13/cobra on 26-Jun-2022
diff --git a/examples/demo-empty-project/proj.json b/examples/demo-empty-project/proj.json
index 46a81ba7..800fb120 100644
--- a/examples/demo-empty-project/proj.json
+++ b/examples/demo-empty-project/proj.json
@@ -1,5 +1,5 @@
 {
     "project_name": "demo-empty-project",
-    "create_time": "2022-06-17T19:47:52.407222+08:00",
-    "hrp_version": "v4.1.3"
+    "create_time": "2022-06-26T11:26:24.132921+08:00",
+    "hrp_version": "v4.1.4"
 }
diff --git a/examples/demo-with-go-plugin/proj.json b/examples/demo-with-go-plugin/proj.json
index 636573b8..a6224191 100644
--- a/examples/demo-with-go-plugin/proj.json
+++ b/examples/demo-with-go-plugin/proj.json
@@ -1,5 +1,5 @@
 {
     "project_name": "demo-with-go-plugin",
-    "create_time": "2022-06-17T22:46:08.96163+08:00",
+    "create_time": "2022-06-26T11:21:39.64233+08:00",
     "hrp_version": "v4.1.4"
 }
diff --git a/examples/demo-with-py-plugin/proj.json b/examples/demo-with-py-plugin/proj.json
index dd8dc3e4..a5eedc42 100644
--- a/examples/demo-with-py-plugin/proj.json
+++ b/examples/demo-with-py-plugin/proj.json
@@ -1,5 +1,5 @@
 {
     "project_name": "demo-with-py-plugin",
-    "create_time": "2022-06-17T22:46:09.755825+08:00",
+    "create_time": "2022-06-26T11:21:40.23509+08:00",
     "hrp_version": "v4.1.4"
 }
diff --git a/examples/demo-without-plugin/proj.json b/examples/demo-without-plugin/proj.json
index 124d5364..6b36d714 100644
--- a/examples/demo-without-plugin/proj.json
+++ b/examples/demo-without-plugin/proj.json
@@ -1,5 +1,5 @@
 {
     "project_name": "demo-without-plugin",
-    "create_time": "2022-06-17T19:47:52.2878+08:00",
-    "hrp_version": "v4.1.3"
+    "create_time": "2022-06-26T11:26:19.127696+08:00",
+    "hrp_version": "v4.1.4"
 }