去除ip 中的空白字符

@@ -4,6 +4,7 @@
 
 local realIp =  ngx.req.get_headers()["X-YOHO-IP"]
 if realIp and (string.find(ngx.var.http_host,"yohoops%.org") or string.find(ngx.var.http_host,"yohops%.com"))  then
+    realIp=string.gsub(realIp,"%s","")
     return realIp
 end
 
@@ -28,4 +29,8 @@ if realIp == nil then
   realIp = ngx.var.remote_addr;
 end
 
+if realIp then
+  realIp=string.gsub(realIp,"%s","")
+end
+
 return realIp;