diff --git a/unittest_python/unittest/badssl.test.hosts b/unittest_python/unittest/badssl.test.hosts
index faa1f5a..ee227b6 100644
--- a/unittest_python/unittest/badssl.test.hosts
+++ b/unittest_python/unittest/badssl.test.hosts
@@ -86,4 +86,4 @@
 192.0.2.130 www.badssl.self-test.geedge.net
 192.0.2.130 xn--n1aae7f7o.badssl.self-test.geedge.net
 #### end of badssl.self-test.geedge.net hosts ####
-192.0.2.131 https://downloadfile.self-test.geedge.net
+192.0.2.131 downloadfile.self-test.geedge.net
diff --git a/unittest_python/unittest/con_traffic_inject.py b/unittest_python/unittest/con_traffic_inject.py
index 2774cec..9a85669 100644
--- a/unittest_python/unittest/con_traffic_inject.py
+++ b/unittest_python/unittest/con_traffic_inject.py
@@ -76,6 +76,12 @@ class SSLBuild:
             errdict["url"] = url
             errdict["time"] = time.asctime( time.localtime(time.time()))
             self.resultlist.append(errdict)
+        elif not re.search(r'CN = Tango[\s\S]*UNTRUST',issuer[1],0):
+            errdict["status"] = "error"
+            errdict["errinfo"] = "Intercept fail: no Tango cert"
+            errdict["url"] = url
+            errdict["time"] = time.asctime( time.localtime(time.time()))
+            self.resultlist.append(errdict)
         else:    
             self.intecept_succ_get_value(urlkey,url,conn)
         conn.close()
diff --git a/unittest_python/unittest/unittest_self.py b/unittest_python/unittest/unittest_self.py
index 2e66562..8f79ab3 100644
--- a/unittest_python/unittest/unittest_self.py
+++ b/unittest_python/unittest/unittest_self.py
@@ -392,3 +392,4 @@ if __name__ == '__main__':
             f.write(time.asctime(time.localtime(time.time())))
             f.write("\n")
             runner.run(suite)
+            time.sleep(1)