diff --git a/plugins/op_waf/install.sh b/plugins/op_waf/install.sh
index 8047ab582..1a97d3e65 100755
--- a/plugins/op_waf/install.sh
+++ b/plugins/op_waf/install.sh
@@ -2,7 +2,7 @@
 PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
 export PATH
 
-# cd /www/server/mdserver-web/plugins/op_waf && bash install.sh install 0.3.0
+# cd /www/server/mdserver-web/plugins/op_waf && bash install.sh install 0.3.2
 
 curPath=`pwd`
 rootPath=$(dirname "$curPath")
diff --git a/plugins/op_waf/waf/lua/init.lua b/plugins/op_waf/waf/lua/init.lua
index bc922c3f4..e55e879de 100644
--- a/plugins/op_waf/waf/lua/init.lua
+++ b/plugins/op_waf/waf/lua/init.lua
@@ -555,8 +555,6 @@ end
 
 local geo=nil 
 local waf_country=""
-local geo2=nil 
-
 
 local function initmaxminddb()
     if geo==nil then 
@@ -594,8 +592,9 @@ end
 
 local function get_country()
     local ip = params['ip']
-    if ngx.shared.waf_limit:get("get_country"..ip) then 
-        return ngx.shared.waf_limit:get("get_country"..ip)
+    local ip_local = ngx.shared.waf_limit:get("get_country"..ip)
+    if ip_local then 
+        return ip_local
     end
     local ip_postion=get_ip_country(ip)
     if ip_postion=="2" then return false end 
@@ -662,8 +661,10 @@ function run_app_waf()
     -- C:D("min_route")
     -- country limit
     local waf_country = get_country()
-    if area_limit(waf_country, server_name, site_config[server_name]['open']) then return true end
-    
+    if waf_country then
+        if area_limit(waf_country, server_name, site_config[server_name]['open']) then return true end
+    end
+
     if site_config[server_name] and site_config[server_name]['open'] then