add credit

src/app/services/wrench.service.ts

@@ -273,6 +273,9 @@ export class WrenchService {
         return this.getPostData("startcredit", reqData);
     }
 
+    payPrevCard(reqData){
+        return this.getPostData("payprevcard", reqData);
+    }
 
     familySuggestList(usrData){
         return this.getPostData("familysuggestlist", usrData);