diff --git a/plugin/business/pangu-http/pangu_http.cpp b/plugin/business/pangu-http/pangu_http.cpp
index 224a56a..ac7fb68 100644
--- a/plugin/business/pangu-http/pangu_http.cpp
+++ b/plugin/business/pangu-http/pangu_http.cpp
@@ -391,9 +391,8 @@ static void html_generate(int status_code, int cfg_id, const char* msg, char **
 	}
 
 	tpl->Expand(&output, &dict);
-	*page_size = output.length();
-	*page_buff = ALLOC(char, *page_size);
-	memcpy(*page_buff, output.c_str(), *page_size);
+	*page_size = output.length() + 1;
+	*page_buff = strdup(output.c_str());
 }
 
 static void html_free(char ** page_buff)
@@ -576,7 +575,8 @@ static void http_reject(const struct tfe_http_session * session, enum tfe_http_e
 	{
 		TFE_LOG_ERROR(g_pangu_rt->local_logger, "Invalid reject rule %d paramter %s",
 			ctx->enforce_rules[0].config_id, ctx->enforce_para);
-		ctx->action==PG_ACTION_NONE;
+
+		ctx->action = PG_ACTION_NONE;
 		goto error_out;
 	}
 
@@ -631,7 +631,6 @@ static void http_redirect(const struct tfe_http_session * session, enum tfe_http
 
 error_out:
 	free(url);
-	return;
 }
 
 enum pangu_action http_scan(const struct tfe_http_session * session, enum tfe_http_event events,