diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 5de875a4..be363c69 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+## 2.5.2 (2020-01-02)
+
+**Fixed**
+
+- fix #826: Windows does not support file name include ":"
+
 ## 2.5.1 (2020-01-02)
 
 **Fixed**
diff --git a/httprunner/__init__.py b/httprunner/__init__.py
index b11684b6..86fe1344 100644
--- a/httprunner/__init__.py
+++ b/httprunner/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "2.5.1"
+__version__ = "2.5.2"
 __description__ = "One-stop solution for HTTP(S) testing."
 
 __all__ = ["__version__", "__description__"]
diff --git a/httprunner/report/html/gen_report.py b/httprunner/report/html/gen_report.py
index 303abd63..af7814c6 100644
--- a/httprunner/report/html/gen_report.py
+++ b/httprunner/report/html/gen_report.py
@@ -42,7 +42,8 @@ def gen_html_report(summary, report_template=None, report_dir=None, report_file=
         report_file_name = os.path.basename(report_file)
     else:
         report_dir = report_dir or os.path.join(os.getcwd(), "reports")
-        report_file_name = "{}.html".format(utc_time_iso_8601_str)
+        # fix #826: Windows does not support file name include ":"
+        report_file_name = "{}.html".format(utc_time_iso_8601_str.replace(":", "").replace("-", ""))
 
     if not os.path.isdir(report_dir):
         os.makedirs(report_dir)
diff --git a/httprunner/report/report.py b/httprunner/report/report.py
new file mode 100644
index 00000000..29824cc2
--- /dev/null
+++ b/httprunner/report/report.py
@@ -0,0 +1,51 @@
+import json
+import platform
+import time
+import uuid
+
+import requests
+
+from httprunner import __version__
+
+
+def prepare_event_kwargs(event_name, params):
+    """ prepare report event kwargs"""
+
+    kwargs = {
+        "headers": {
+            'content-type': 'application/json'
+        },
+        "json": {
+            "user": {
+                "user_unique_id": str(uuid.getnode())
+            },
+            "header": {
+                "app_id": 173519,
+                "os_name": platform.system(),
+                "os_version": platform.release(),
+                "app_version": __version__  # HttpRunner version
+            },
+            "events": [
+                {
+                    "event": event_name,
+                    "params": json.dumps(params),
+                    "time": int(time.time())
+                }
+            ],
+            "verbose": 1
+        }
+    }
+    return kwargs
+
+
+def report_event(event_name, success=True):
+    params = {
+        "success": 1 if success else 0
+    }
+    kwargs = prepare_event_kwargs(event_name, params)
+    resp = requests.post("http://mcs.snssdk.com/v1/json", **kwargs)
+    print("resp---", resp.json())
+
+
+if __name__ == '__main__':
+    report_event("loader")
diff --git a/pyproject.toml b/pyproject.toml
index 8a3e70a2..39fec7ec 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "httprunner"
-version = "2.5.1"
+version = "2.5.2"
 description = "One-stop solution for HTTP(S) testing."
 license = "Apache-2.0"
 readme = "README.md"