fix

Assets/SibylSystem/selectServer/SelectServer.cs

@@ -320,7 +320,7 @@ public class SelectServer : WindowServantSP
 	void startMyCard(string name, string password, string match_type = "entertain") {
 		MyCardHelper mycard = new MyCardHelper();
 		Program.PrintToChat(InterString.Get("正在登录至MyCard。"));
-        string fail_reason;
+        string fail_reason = "";
         bool res = mycard.login(name, password, out fail_reason);
         if (!res) {
             Program.PrintToChat(InterString.Get("MyCard登录失败。原因: ") + fail_reason);