diff --git a/src/main/java/common/service/impl/ContractServiceImpl.java b/src/main/java/common/service/impl/ContractServiceImpl.java
index 893e4a7..beb8853 100644
--- a/src/main/java/common/service/impl/ContractServiceImpl.java
+++ b/src/main/java/common/service/impl/ContractServiceImpl.java
@@ -2769,7 +2769,7 @@ public class ContractServiceImpl implements ContractService {
                     Object result = adiAccount.get("result");
                     if(result.equals(1)){
                         Object validStartDate = adiAccount.get("validStartDate");
-                        if(validStartDate==null||StringUtils.isEmpty(validStartDate)){
+                        if(validStartDate==null||StringUtils.isEmpty(validStartDate) || validStartDate.equals("null")){
                             return ResultModel.ERROR("第" + rowIndex + "行主账号【" + email + "】未进行IP发送");
                         }else{
                             String validStartDateStr = validStartDate.toString().split(" ")[0];