diff --git a/src/main/java/com/kiisoo/ic/synchronous/controller/SynchronousController.java b/src/main/java/com/kiisoo/ic/synchronous/controller/SynchronousController.java
index 8f46508..a44cb7f 100644
--- a/src/main/java/com/kiisoo/ic/synchronous/controller/SynchronousController.java
+++ b/src/main/java/com/kiisoo/ic/synchronous/controller/SynchronousController.java
@@ -73,10 +73,14 @@ public class SynchronousController {
     @RequestMapping(value = "/ics/customer",method = RequestMethod.POST,consumes = "application/json")
     @ResponseBody
     public String turnBack(@RequestBody List<TurnBackDTO> turnBackDTOS){
-        String str = JSON.toJSONString(turnBackDTOS);
-        System.out.println(str);
-        turnBackDTOS.forEach(customerService::turnBack);
-        return DataImportUtil.succ(1);
+        try {
+            String str = JSON.toJSONString(turnBackDTOS);
+            System.out.println(str);
+            turnBackDTOS.forEach(customerService::turnBack);
+            return DataImportUtil.succ(1);
+        }catch (Exception e){
+            return DataImportUtil.fail(e);
+        }
     }
 
     /**