diff --git a/images_build/client/dign_client/bin/client.py b/images_build/client/dign_client/bin/client.py
index 6b8b444..031ad77 100644
--- a/images_build/client/dign_client/bin/client.py
+++ b/images_build/client/dign_client/bin/client.py
@@ -858,32 +858,22 @@ class HttpFirewallActionBuild:
                 raise Exception(http_firewall_deny_rst_re)
             else:
                 raise Exception("Error: The stream may be not rst %s" % errorinfo)
-            
-    def verify_debug_msg(self,debug_type,debug_msg):
-        if re.search(r'403 Forbidden', debug_msg.decode('utf8'), 0):
-            self.blockinfo_rsp_code_verify_ok=True
-        if re.search(r'dign-testing-deny-block', debug_msg.decode('utf8'), 0):
-            self.blockinfo_rsp_content_verify_ok=True
 
     def action_deny_subaction_block(self,test_suite_name):
-        self.blockinfo_rsp_code_verify_ok=False
-        self.blockinfo_rsp_content_verify_ok=False
+        bodyBuf = BytesIO()
         self._set_conn_opt(test_suite_name,URLHttpFirewallDenyBlock)
-        self.conn.setopt(self.conn.VERBOSE,1)
-        self.conn.setopt(self.conn.DEBUGFUNCTION, self.verify_debug_msg)
-        try:
-            self.conn.perform()
-            self.conn.close()
-        except pycurl.error as errorinfo:
-            errcode = errorinfo.args[0]
-            if(errcode == 56):
-                if self.blockinfo_rsp_code_verify_ok == False:
-                    raise Exception("Error:response code is not reqiured,reqiured 403")
-                if self.blockinfo_rsp_content_verify_ok == False:
-                    raise Exception("Error: response content is not required, required \'dign-testing-deny-block\'")
+        self.conn.setopt(self.conn.WRITEDATA, bodyBuf)
+        self.conn.perform()
+        rescode = self.conn.getinfo(self.conn.RESPONSE_CODE)
+        self.conn.close()
+        if rescode == 403:
+            if re.search(r'dign-testing-deny-block', bodyBuf.getvalue().decode('utf-8'), 0):
                 raise Exception(http_firewall_deny_block_re)
             else:
-                raise Exception("Error:The connection is not close by send rst,error info : %s" % errorinfo)
+                raise Exception("Error: response content is not required, required \'dign-testing-deny-block\'")
+
+        else:
+            raise Exception("Error: The stream may be not block, http code %s " % rescode)
 
 class SslFirewallActionBuild:
     def __init__(self):