修复proxy在传递failed时没有正确赋值code的问题

app/src/main/java/com/maxrocky/nativeview/model/Result.kt

@@ -20,6 +20,7 @@ class Result<T> {
     }
 
     fun failed(msg: String, data: T? = null) {
+        this.code = -1
         this.msg = msg
         this.data = data
     }