diff --git a/majtask.py b/majtask.py
index ffb9f45..1385eec 100644
--- a/majtask.py
+++ b/majtask.py
@@ -27,10 +27,11 @@ class main_task():
 
     def parse_data(self,data):
         if data.get('code') == 0:
-            self.x += data.get('data')[0]
-            self.y += data.get('data')[1]
-            self.error_counts += 1
-            
+            ck_val = data.get('data')
+            if isinstance(ck_val, np.ndarray):  
+                self.x = ck_val[0]
+                self.y = ck_val[1]
+                self.error_counts += 1
         else:
             pass