更新

app/src/main/java/com/qy/agv/activity/MainActivity.java

@@ -365,7 +365,7 @@ public class MainActivity extends BaseActivity {
             sendMsg = new String[4];
             if(robot!=null)robot.setText("");
             if(target!=null)target.setText("");
-            if(target!=null)shelf.setText("");
+            if(shelf!=null)shelf.setText("");
             barcode = barcode.split("-")[1];
         }
         else if(barcode.startsWith("02-")){