【CHG】修改空指针异常

railway-business/src/main/java/com/railway/business/safetool/service/impl/BaseSafetyToolServiceImpl.java

@@ -131,7 +131,9 @@ public class BaseSafetyToolServiceImpl implements IBaseSafetyToolService {
   @Override
   public BaseSafetyTool getInfoByQcode(String qcode) {
     BaseSafetyTool tool = safetyToolMapper.getInfoByQcode(qcode);
-    setBaseSafetyTool(tool);
+    if(null != tool){
+      setBaseSafetyTool(tool);
+    }
     return tool;
   }