diff --git a/coolstore-partner-common/src/main/java/com/cool/store/enums/ErrorCodeEnum.java b/coolstore-partner-common/src/main/java/com/cool/store/enums/ErrorCodeEnum.java
index 8b7a65ec4..aa1b710ef 100644
--- a/coolstore-partner-common/src/main/java/com/cool/store/enums/ErrorCodeEnum.java
+++ b/coolstore-partner-common/src/main/java/com/cool/store/enums/ErrorCodeEnum.java
@@ -194,6 +194,8 @@ public enum ErrorCodeEnum {
 
     UNISSUED_STATEMENT_2(109014, "该门店已发布账单", null),
 
+    DUPLICATE_SUBMISSION(109015, "重复提交！", null),
+
 
     INSERT_OPENING_OPERATION_PLAN_AUDIT_FALSE(103001,"插入运营方案审核信息失败",null),
     INSERT_OPENING_OPERATION_PLAN_FALSE(103002,"插入运营方案失败",null),
diff --git a/coolstore-partner-service/src/main/java/com/cool/store/service/impl/IntentAgreementServiceImpl.java b/coolstore-partner-service/src/main/java/com/cool/store/service/impl/IntentAgreementServiceImpl.java
index aa5aa3496..2a7810847 100644
--- a/coolstore-partner-service/src/main/java/com/cool/store/service/impl/IntentAgreementServiceImpl.java
+++ b/coolstore-partner-service/src/main/java/com/cool/store/service/impl/IntentAgreementServiceImpl.java
@@ -269,6 +269,9 @@ public class IntentAgreementServiceImpl extends LineFlowService implements Inten
         if (Objects.isNull(lineInfoDO)) {
             throw new ServiceException(ErrorCodeEnum.LINE_ID_IS_NOT_EXIST);
         }
+        if (StringUtil.isNotBlank(lineInfoDO.getPartnerNum())){
+            throw new ServiceException(ErrorCodeEnum.DUPLICATE_SUBMISSION);
+        }
         if (lineInfoDO.getPartnerNum() != null){
             return new ResponseResult(200000,null,null);
         }