diff --git a/httprunner/loader.py b/httprunner/loader.py
index 75d8e535..0c24315c 100644
--- a/httprunner/loader.py
+++ b/httprunner/loader.py
@@ -191,10 +191,11 @@ def load_dot_env_file():
     env_variables_mapping = {}
     with io.open(path, 'r', encoding='utf-8') as fp:
         for line in fp:
+            # maxsplit=1
             if "=" in line:
-                variable, value = line.split("=")
+                variable, value = line.split("=", 1)
             elif ":" in line:
-                variable, value = line.split(":")
+                variable, value = line.split(":", 1)
             else:
                 raise exceptions.FileFormatError(".env format error")
 
diff --git a/httprunner/templates/report_template.html b/httprunner/templates/report_template.html
index 79bf2c0e..62b8a208 100644
--- a/httprunner/templates/report_template.html
+++ b/httprunner/templates/report_template.html
@@ -315,11 +315,11 @@
                       {% elif validator.check_result == "unchecked" %}
                       <td class="unchecked">
                       {% endif %}
-                        {{validator.check}}
+                        {{validator.check | e}}
                       </td>
                       <td>{{validator.comparator}}</td>
-                      <td>{{validator.expect}}</td>
-                      <td>{{validator.check_value}}</td>
+                      <td>{{validator.expect | e}}</td>
+                      <td>{{validator.check_value | e}}</td>
                     </tr>
                     {% endfor %}
                   </table>
diff --git a/tests/data/test.env b/tests/data/test.env
index 09816d83..74d5d9ec 100644
--- a/tests/data/test.env
+++ b/tests/data/test.env
@@ -1,3 +1,4 @@
 UserName=test
 Password=654321
-PROJECT_KEY=AAABBBCCC
\ No newline at end of file
+PROJECT_KEY=AAABBBCCC
+content_type=application/json; charset=UTF-8
\ No newline at end of file
diff --git a/tests/test_api.py b/tests/test_api.py
index 010d2ec8..9484c50a 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -173,7 +173,7 @@ class TestHttpRunner(ApiServerUnittest):
         end_time = time.time()
         summary = runner.summary
         self.assertTrue(summary["success"])
-        self.assertLess(end_time - start_time, 20)
+        self.assertLess(end_time - start_time, 60)
 
     def test_run_httprunner_with_teardown_hooks_alter_response(self):
         testcases = [
diff --git a/tests/test_loader.py b/tests/test_loader.py
index 18e67d86..03f8e4e0 100644
--- a/tests/test_loader.py
+++ b/tests/test_loader.py
@@ -148,6 +148,7 @@ class TestFileLoader(unittest.TestCase):
         env_variables_mapping = loader.load_dot_env_file()
         self.assertIn("PROJECT_KEY", env_variables_mapping)
         self.assertEqual(env_variables_mapping["UserName"], "test")
+        self.assertEqual(env_variables_mapping["content_type"], "application/json; charset=UTF-8")
         loader.dot_env_path = None
 
     def test_load_env_path_not_exist(self):
diff --git a/tests/test_response.py b/tests/test_response.py
index bc02ebd5..c54058ae 100644
--- a/tests/test_response.py
+++ b/tests/test_response.py
@@ -136,7 +136,7 @@ class TestResponse(ApiServerUnittest):
         ]
         extract_binds_dict = resp_obj.extract_response(extract_binds_list)
         self.assertGreater(extract_binds_dict["resp_elapsed_microseconds"], 1000)
-        self.assertLess(extract_binds_dict["resp_elapsed_seconds"], 10)
+        self.assertLess(extract_binds_dict["resp_elapsed_seconds"], 60)
         self.assertEqual(extract_binds_dict["resp_elapsed_days"], 0)
         self.assertGreater(extract_binds_dict["resp_elapsed_total_seconds"], 0)