diff --git a/roles/openresty/files/java-nginx-config/nginx/conf/lua/limit_api_flow.lua b/roles/openresty/files/java-nginx-config/nginx/conf/lua/limit_api_flow.lua
index eb43e6c..510043b 100644
--- a/roles/openresty/files/java-nginx-config/nginx/conf/lua/limit_api_flow.lua
+++ b/roles/openresty/files/java-nginx-config/nginx/conf/lua/limit_api_flow.lua
@@ -163,10 +163,11 @@ function main()
 
   -- check white ip
   local ret = false
-  status, errMsg, ret = pcall(is_white);
+  status, ret = pcall(is_white);
   if not status then
-    ngx.log(ngx.ERR, "call method [is_white] failed.", errMsg)
-  elseif ret then
+    ngx.log(ngx.ERR, "call method [is_white] failed.")
+  end
+  if ret then
     return
   end