diff --git a/Frm_Main.cs b/Frm_Main.cs
index b1cbf44..1c997b7 100644
--- a/Frm_Main.cs
+++ b/Frm_Main.cs
@@ -50,7 +50,6 @@ namespace EnAliKeywordSearch
                                 url = String.Format("http://www.alibaba.com/products/F0/{0}/{1}.html", HttpUtility.UrlEncode(key), i);
                             else
                                 url = String.Format("http://s.1688.com/selloffer/offer_search.htm?keywords={0}&beginPage={1}", HttpUtility.UrlEncode(key), i);
-
                             string htmldoc = httpHelper.Get(url);
                             if (string.IsNullOrEmpty(htmldoc))
                             {
@@ -59,7 +58,8 @@ namespace EnAliKeywordSearch
                                 maybe = true;
                                 continue;
                             }
-                            if (htmldoc.Contains(HttpUtility.HtmlEncode(cpy)))
+                            string encodecpy = HttpUtility.HtmlEncode(cpy);
+                            if (htmldoc.Contains(encodecpy))
                             {
                                 pageinfo = "第" + i + "页";
                                 break;