diff --git a/domain/model/groupPower_m/group_power_apply.go b/domain/model/groupPower_m/group_power_apply.go
index 175752635ae27701983e168e15d0880a087eaabc..029d1db6f6321a1463e922fb40ee8bda7ff199a2 100644
--- a/domain/model/groupPower_m/group_power_apply.go
+++ b/domain/model/groupPower_m/group_power_apply.go
@@ -4,6 +4,7 @@ import (
 	"git.hilo.cn/hilo-common/domain"
 	"gorm.io/gorm"
 	"hilo-group/myerr"
+	"hilo-group/myerr/bizerr"
 	"time"
 )
 
@@ -17,12 +18,14 @@ type GroupPowerApplyJoin struct {
 }
 
 func InsertGroupPowerApplyJoin(model *domain.Model, userId, familyId uint64) error {
-	nowTime := time.Now()
-	sql := "insert into group_power_apply_join(user_id,group_power_id,is_accept,created_time,updated_time) " +
-		"value(?,?,?,?,?) on duplicate key update is_accept=?,created_time=?,updated_time=?"
-	err := model.Db.Exec(sql, userId, familyId, 0, nowTime, nowTime, 0, nowTime, nowTime).Error
-	if err != nil {
-		return myerr.WrapErr(err)
+	sql := "insert into group_power_apply_join(user_id,group_power_id,is_accept) " +
+		"select ?, ?, ? where not exists (select id from group_power_apply_join where user_id=? and group_power_id=? and is_accept=0)"
+	result := model.Db.Exec(sql, userId, familyId, 0, userId, familyId)
+	if result.Error != nil {
+		return myerr.WrapErr(result.Error)
+	}
+	if result.RowsAffected <= 0 {
+		return myerr.WrapErr(bizerr.GroupPowerHaveAlreadyApply)
 	}
 	return nil
 }
diff --git a/myerr/bizerr/bizCode.go b/myerr/bizerr/bizCode.go
index 664624a0aed30423b4ec0a08ef156ef62b5f4ea4..df59a3c8b5ce31599a97e108e1d1035cc76c4765 100644
--- a/myerr/bizerr/bizCode.go
+++ b/myerr/bizerr/bizCode.go
@@ -84,6 +84,7 @@ var (
 	GroupPowerHaveNoJoin       = myerr.NewBusinessCode(15011, "You have no joined power", myerr.BusinessData{})                                      // 还未加入国家势力
 	GroupPowerHaveNoPower      = myerr.NewBusinessCode(15012, "You have no power", myerr.BusinessData{})                                             // 没有权限
 	GroupPowerHaveNoApply      = myerr.NewBusinessCode(15013, "User have no apply", myerr.BusinessData{})                                            // 没有找到申请
+	GroupPowerHaveAlreadyApply = myerr.NewBusinessCode(15014, "Already applied", myerr.BusinessData{})                                               // 已经申请过
 
 	TaskHasAward = myerr.NewBusinessCode(19001, "task has award", myerr.BusinessData{})
 
diff --git a/mysql/3.5.0.sql b/mysql/3.5.0.sql
index 418d74a3c58bf010148a3ddaee1693868a26fed6..57294c2ee506362162772bf5d8c672d1024c0050 100644
--- a/mysql/3.5.0.sql
+++ b/mysql/3.5.0.sql
@@ -27,6 +27,6 @@ CREATE TABLE `group_power_apply_join` (
                                           `updated_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                                           `is_accept` tinyint NOT NULL DEFAULT '0' COMMENT '是否已经接受',
                                           PRIMARY KEY (`id`),
-                                          UNIQUE KEY `u_apply` (`user_id`,`group_power_id`) USING BTREE,
-                                          KEY `group_power_id` (`group_power_id`)
+                                          KEY `group_power_id` (`group_power_id`),
+                                          KEY `user_id` (`user_id`) USING BTREE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='申请加入家族';
\ No newline at end of file