diff --git a/go.mod b/go.mod
index d282b0960..8f18943a7 100644
--- a/go.mod
+++ b/go.mod
@@ -37,7 +37,7 @@ require (
 require github.com/google/uuid v1.3.0
 
 require (
-	github.com/OpenIMSDK/protocol v0.0.14
+	github.com/OpenIMSDK/protocol v0.0.15
 	github.com/OpenIMSDK/tools v0.0.14
 	github.com/aliyun/aliyun-oss-go-sdk v2.2.8+incompatible
 	github.com/go-redis/redis v6.15.9+incompatible
diff --git a/go.sum b/go.sum
index 9f1c2d072..a361872a3 100644
--- a/go.sum
+++ b/go.sum
@@ -17,8 +17,8 @@ cloud.google.com/go/storage v1.30.1/go.mod h1:NfxhC0UJE1aXSx7CIIbCf7y9HKT7Biccwk
 firebase.google.com/go v3.13.0+incompatible h1:3TdYC3DDi6aHn20qoRkxwGqNgdjtblwVAyRLQwGn/+4=
 firebase.google.com/go v3.13.0+incompatible/go.mod h1:xlah6XbEyW6tbfSklcfe5FHJIwjt8toICdV5Wh9ptHs=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/OpenIMSDK/protocol v0.0.14 h1:cvQ3f8MTcyYygAnZ7Exq6zIbvHGCEV0fWdpzjQEDDBQ=
-github.com/OpenIMSDK/protocol v0.0.14/go.mod h1:F25dFrwrIx3lkNoiuf6FkCfxuwf8L4Z8UIsdTHP/r0Y=
+github.com/OpenIMSDK/protocol v0.0.15 h1:KrrvdHH9kFF/tFYL2FXRPAr2e5F5DctSHfHq6MQjUI4=
+github.com/OpenIMSDK/protocol v0.0.15/go.mod h1:F25dFrwrIx3lkNoiuf6FkCfxuwf8L4Z8UIsdTHP/r0Y=
 github.com/OpenIMSDK/tools v0.0.14 h1:WLof/+WxyPyRST+QkoTKubYCiV73uCLiL8pgnpH/yKQ=
 github.com/OpenIMSDK/tools v0.0.14/go.mod h1:eg+q4A34Qmu73xkY0mt37FHGMCMfC6CtmOnm0kFEGFI=
 github.com/QcloudApi/qcloud_sign_golang v0.0.0-20141224014652-e4130a326409/go.mod h1:1pk82RBxDY/JZnPQrtqHlUFfCctgdorsd9M06fMynOM=
diff --git a/internal/rpc/group/db_map.go b/internal/rpc/group/db_map.go
index 62011390a..f793582f8 100644
--- a/internal/rpc/group/db_map.go
+++ b/internal/rpc/group/db_map.go
@@ -49,6 +49,9 @@ func UpdateGroupInfoMap(ctx context.Context, group *sdkws.GroupInfoForSet) map[s
 	if group.ApplyMemberFriend != nil {
 		m["apply_member_friend"] = group.ApplyMemberFriend.Value
 	}
+	if group.Ex != nil {
+		m["ex"] = group.Ex.Value
+	}
 	return m
 }