diff --git a/HTMLTestRunner_Chart.py b/HTMLTestRunner_Chart.py
index 3eec9e3..d663185 100644
--- a/HTMLTestRunner_Chart.py
+++ b/HTMLTestRunner_Chart.py
@@ -206,7 +206,7 @@ class Template_mixin(object):
     <title>%(title)s</title>
     <meta name="generator" content="%(generator)s"/>
     <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
-    <script type="text/javascript" src="%(jsonpath)s" charset="gbk"></script>
+    <script type="text/javascript" src="%(jsonpath)s" charset="utf-8"></script>
     <link href="http://cdn.bootcss.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet">
     <script src="https://cdn.bootcss.com/echarts/3.8.5/echarts.common.min.js"></script>
     <!-- <script type="text/javascript" src="js/echarts.common.min.js"></script> -->
@@ -939,7 +939,10 @@ def stopTest(self, test):
                     sys.stderr.write("Retesting... ")
                     sys.stderr.write(str(test))
                     sys.stderr.write('..%d \n' % self.trys)
-                    doc = test._testMethodDoc or ''
+                    try:
+                        doc = test._testMethodDoc or ''
+                    except Exception:
+                        doc = ''
                     if doc.find('_retry')!=-1:
                         doc = doc[:doc.find('_retry')]
                     desc ="%s_retry:%d" %(doc, self.trys)
@@ -1121,10 +1124,10 @@ def Write(self, title, heading, desc, data):
                         if status[j] == "错误":
                             description["error"] = str(status[j + 1])
                 else:
-                    description["title"] = title.encode("gbk")
-                    description["status"] = heading[2][1].encode("gbk")
-                    description["desc"] = desc.encode("gbk")
-                    description["data"] = data.encode("gbk")
+                    description["title"] = title.encode("utf-8")
+                    description["status"] = heading[2][1].encode("utf-8")
+                    description["desc"] = desc.encode("utf-8")
+                    description["data"] = data.encode("utf-8")
                     status = heading[2][1].split(" ")
                     for j in range(0, len(status)):
                         if status[j] == u"通过":
diff --git a/license b/license
new file mode 100644
index 0000000..feacdb9
--- /dev/null
+++ b/license
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 githublitao
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.