diff --git a/tasks/watergroup/month.go b/tasks/watergroup/month.go
index fd7703b..bcd99d1 100644
--- a/tasks/watergroup/month.go
+++ b/tasks/watergroup/month.go
@@ -60,7 +60,10 @@ func dealMonth(gid string) {
 
 	// 查询群成员总数
 	var groupUsers int64
-	err = client.MySQL.Model(&entity.GroupUser{}).Where("group_id = ?", gid).Count(&groupUsers).Error
+	err = client.MySQL.Model(&entity.GroupUser{}).
+		Where("group_id = ?", gid).
+		Where("is_member IS TRUE").
+		Count(&groupUsers).Error
 	if err != nil {
 		log.Printf("查询群成员总数失败, 错误信息: %v", err)
 	}
diff --git a/tasks/watergroup/week.go b/tasks/watergroup/week.go
index a27298a..6598ca2 100644
--- a/tasks/watergroup/week.go
+++ b/tasks/watergroup/week.go
@@ -59,7 +59,10 @@ func dealWeek(gid string) {
 
 	// 查询群成员总数
 	var groupUsers int64
-	err = client.MySQL.Model(&entity.GroupUser{}).Where("group_id = ?", gid).Count(&groupUsers).Error
+	err = client.MySQL.Model(&entity.GroupUser{}).
+		Where("group_id = ?", gid).
+		Where("is_member IS TRUE").
+		Count(&groupUsers).Error
 	if err != nil {
 		log.Printf("查询群成员总数失败, 错误信息: %v", err)
 	}
diff --git a/tasks/watergroup/year.go b/tasks/watergroup/year.go
index 255fa8c..3d07bcf 100644
--- a/tasks/watergroup/year.go
+++ b/tasks/watergroup/year.go
@@ -59,7 +59,10 @@ func dealYear(gid string) {
 
 	// 查询群成员总数
 	var groupUsers int64
-	err = client.MySQL.Model(&entity.GroupUser{}).Where("group_id = ?", gid).Count(&groupUsers).Error
+	err = client.MySQL.Model(&entity.GroupUser{}).
+		Where("group_id = ?", gid).
+		Where("is_member IS TRUE").
+		Count(&groupUsers).Error
 	if err != nil {
 		log.Printf("查询群成员总数失败, 错误信息: %v", err)
 	}
diff --git a/tasks/watergroup/yesterday.go b/tasks/watergroup/yesterday.go
index 77adc5a..697f721 100644
--- a/tasks/watergroup/yesterday.go
+++ b/tasks/watergroup/yesterday.go
@@ -61,7 +61,10 @@ func dealYesterday(gid string) {
 
 	// 查询群成员总数
 	var groupUsers int64
-	err = client.MySQL.Model(&entity.GroupUser{}).Where("group_id = ?", gid).Count(&groupUsers).Error
+	err = client.MySQL.Model(&entity.GroupUser{}).
+		Where("group_id = ?", gid).
+		Where("is_member IS TRUE").
+		Count(&groupUsers).Error
 	if err != nil {
 		log.Printf("查询群成员总数失败, 错误信息: %v", err)
 	}