diff --git a/src/pages/StreamerSpace/index.jsx b/src/pages/StreamerSpace/index.jsx
index bea523b..58f54f3 100644
--- a/src/pages/StreamerSpace/index.jsx
+++ b/src/pages/StreamerSpace/index.jsx
@@ -659,7 +659,11 @@ const StreamerSpaceContent = () => {
         },
         body: JSON.stringify({
           zid: defaultValues.key,
-          third_partner_mid: selectedUser,
+          third_partner_mid:
+            defaultValues?.ratio?.zone_third_partner?.third_partner_account
+              ?.mid === selectedUser
+              ? null
+              : selectedUser, //如果更新前后代运营的mid没有改变，则传null，为了防止更新后重置合伙人list
           sharing_ratio: parseInt(value.sharing_ratio, 10) / 100,
           ...base,
         }),
@@ -677,6 +681,7 @@ const StreamerSpaceContent = () => {
     setDefaultValues({});
     setIsAgencyModalOpen(false);
   };
+
   //删除代运营
   const handleDeleteAgency = async () => {
     try {