fix: bug

Business/CenterBusiness.cs

@@ -148,7 +148,6 @@ namespace PTMedicalInsurance.Business
         public int signIn(out JObject joRtn)
         {
             string outParam = "";
-            string inParam = "";
             try
             {
                 dynamic jsonSignIn = new JObject();
@@ -164,7 +163,7 @@ namespace PTMedicalInsurance.Business
                 joRtn = JObject.Parse(outParam);
                 if (joRtn["infcode"].ToString() == "0")
                 {
-                    if (joRtn.ContainsKey("result")) { 
+                    if (!string.IsNullOrEmpty(JsonHelper.getDestValue(joRtn, "output.result"))) { 
                         Global.curEvt.signno = joRtn["output"]["result"]["sign_no"].ToString();
                     } else {
                         Global.curEvt.signno = joRtn["output"]["signinoutb"]["sign_no"].ToString();