diff --git a/web/src/main/java/com/zhehekeji/web/service/TestService.java b/web/src/main/java/com/zhehekeji/web/service/TestService.java
index b8a0e08..b6cadc3 100644
--- a/web/src/main/java/com/zhehekeji/web/service/TestService.java
+++ b/web/src/main/java/com/zhehekeji/web/service/TestService.java
@@ -25,6 +25,9 @@ public class TestService {
     public void CheckTest(String plcId,Integer leftRight){
 
             Street street = streetService.getStreetByPlcId(plcId);
+            if(street == null){
+                return;
+            }
             Integer row = street.getLeftRow();
             Integer column = street.getLeftColumn();
             if(leftRight == 2){