diff --git a/dao/file.go b/dao/file.go
index e25766c..a1458c7 100644
--- a/dao/file.go
+++ b/dao/file.go
@@ -267,3 +267,18 @@ func FindFileAuthByID(id int) FileAuth {
 	}
 	return file
 }
+
+// 获取用户文件占用空间
+type UserFileSpace struct {
+	TotalSize int `gorm:"column:total_size"`
+}
+
+func GetUserFileSpace(userID int) UserFileSpace {
+	var space UserFileSpace
+	if proto.Config.SERVER_SQL_LOG {
+		DB.Debug().Raw("SELECT SUM(file_size) as total_size FROM file_auths left join files on file_auths.file_id = files.id where file_auths.auth_id=? AND file_auths.deleted_at IS NULL", userID).Scan(&space)
+	} else {
+		DB.Raw("SELECT SUM(file_size) as total_size FROM file_auths left join files on file_auths.file_id = files.id where file_auths.auth_id= ? AND file_auths.deleted_at IS NULL ", userID).Scan(&space)
+	}
+	return space
+}
diff --git a/handler/file.go b/handler/file.go
index 7cdba2e..bd232d5 100644
--- a/handler/file.go
+++ b/handler/file.go
@@ -210,9 +210,11 @@ func UploadFileV2(c *gin.Context) {
 		return
 	}
 
-	user := dao.FindUserByUserID(id1)
-	if user.Upload == false {
-		c.JSON(http.StatusOK, gin.H{"error": "no upload Permissions", "code": proto.NoUploadPermissions, "message": "failed"})
+	//查看用户上传的所有文件大小是否超过限制
+	userFileSpace := dao.GetUserFileSpace(id1)
+	user := service.GetUserByIDWithCache(id1)
+	if userFileSpace.TotalSize > proto.UserMaxUploadSize && user.Role != "admin" {
+		c.JSON(http.StatusOK, gin.H{"error": "user file space is full", "code": proto.NoUploadPermissions, "message": "failed"})
 		return
 	}
 	//上传文件
@@ -221,6 +223,7 @@ func UploadFileV2(c *gin.Context) {
 		c.JSON(http.StatusOK, gin.H{"error": "upload file failed", "code": proto.UploadFileFailed, "message": "failed"})
 		return
 	}
+
 	//计算文件md5值
 	if md5_ == "" {
 		file_, _ := file.Open()
@@ -234,7 +237,13 @@ func UploadFileV2(c *gin.Context) {
 	fileExist := dao.FindFileByMd5(md5_)
 	if fileExist.ID != 0 {
 		fileExist.FilePath = ""
-		c.JSON(http.StatusOK, gin.H{"code": proto.SuccessCode, "message": "success", "data": fileExist})
+		//添加用户文件
+		fileAuth := service.CreateUserFile(id1, fileExist.FileName, int(fileExist.ID), uploadType)
+		if fileAuth.ID == 0 {
+			c.JSON(http.StatusOK, gin.H{"error": "save user file info failed", "code": proto.SaveFileInfoFailed, "message": "failed"})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"code": proto.SuccessCode, "message": "success", "data": fileExist, "file_auth": fileAuth})
 		return
 	}
 
diff --git a/proto/status.go b/proto/status.go
index afeab80..6910185 100644
--- a/proto/status.go
+++ b/proto/status.go
@@ -145,5 +145,5 @@ const (
 	UserFileTypeAvatar = "avatar" // 用户头像
 	UserFileTypeFile   = "file"   // 通用文件
 	UserFileTypeConfig = "config" // 配置文件
-
+	UserMaxUploadSize  = 1024 * 1024 * 100
 )