diff --git a/GPS.py b/GPS.py
index a5dcb20..02c212a 100755
--- a/GPS.py
+++ b/GPS.py
@@ -31,7 +31,8 @@ def send_at(command,back,timeout):
             print(command + ' back:\t' + rec_buff.decode())
             return 0
         else:
-            gps_data = rec_buff.decode()[25:-36]
+#            gps_data = rec_buff.decode()[25:-36]
+            gps_data = rec_buff.decode()[13:-36]
             print(gps_data)
             client.publish("iiot/"+ myhost +"/gps", gps_data)
             return 1