diff --git a/app/mix/dao/mongo.go b/app/mix/dao/mongo.go
index c655960d..4adf8647 100644
--- a/app/mix/dao/mongo.go
+++ b/app/mix/dao/mongo.go
@@ -986,13 +986,8 @@ func (m *Mongo) GetAccountListFuzzilyByUserId(ctx *gin.Context, req *accountprot
 				},
 			},
 			{
-				"$expr": bson.M{
-					"$regexMatch": bson.M{
-						"input": bson.M{
-							"$toString": "$user_id",
-						},
-						"regex": fmt.Sprint(util.DerefInt64(req.UserId)),
-					},
+				"user_id_string": bson.M{
+					"$regex": fmt.Sprint(util.DerefInt64(req.UserId)),
 				},
 			},
 		},
diff --git a/app/mix/service/utilservice.go b/app/mix/service/utilservice.go
index 08bb0755..ffa29eeb 100644
--- a/app/mix/service/utilservice.go
+++ b/app/mix/service/utilservice.go
@@ -68,6 +68,7 @@ func (s *Service) utilRegisterUser(ctx *gin.Context, req *loginproto.MobilePhone
 		return
 	}
 	account.UserId = goproto.Int64(userIdSeq.UserId)
+	account.UserIdString = goproto.String(fmt.Sprint(userIdSeq.UserId))
 	account.Name = goproto.String(fmt.Sprintf("用户%v", userIdSeq.UserId))
 	account.MobilePhone = goproto.String(req.MobilePhone)
 	account.RegionCode = goproto.String(req.RegionCode)
diff --git a/dbstruct/account.go b/dbstruct/account.go
index 971f6c88..78b480f4 100644
--- a/dbstruct/account.go
+++ b/dbstruct/account.go
@@ -25,6 +25,7 @@ type Account struct {
 	DevType          *int32          `bson:"dev_type"`                                                             // 注册来源
 	Latitude         *float64        `bson:"latitude"`                                                             // 纬度
 	Longitude        *float64        `bson:"longitude"`                                                            // 经度
+	UserIdString     *string         `bson:"user_id_string"`                                                       // string型user_id，为模糊匹配设置
 	Ct               *int64          `json:"ct" bson:"ct"`                                                         // 创建时间
 	Ut               *int64          `json:"ut" bson:"ut"`                                                         // 更新时间
 	DelFlag          *int64          `json:"del_flag" bson:"del_flag"`                                             // 删除标记，0-否，1-是