diff --git a/models/error.go b/models/error.go
old mode 100644
new mode 100755
index 7fd61303f..c29462e7d
--- a/models/error.go
+++ b/models/error.go
@@ -6,9 +6,8 @@
 package models
 
 import (
-	"fmt"
-
 	"code.gitea.io/gitea/modules/git"
+	"fmt"
 )
 
 // ErrNotExist represents a non-exist error.
@@ -1971,3 +1970,19 @@ func IsErrOAuthApplicationNotFound(err error) bool {
 func (err ErrOAuthApplicationNotFound) Error() string {
 	return fmt.Sprintf("OAuth application not found [ID: %d]", err.ID)
 }
+
+// ErrFileChunkNotExist represents a "FileChunkNotExist" kind of error.
+type ErrFileChunkNotExist struct {
+	Md5   string
+	Uuid  string
+}
+
+func (err ErrFileChunkNotExist) Error() string {
+	return fmt.Sprintf("fileChunk does not exist [md5: %s, uuid: %s]", err.Md5, err.Uuid)
+}
+
+// IsErrFileChunkNotExist checks if an error is a ErrFileChunkNotExist.
+func IsErrFileChunkNotExist(err error) bool {
+	_, ok := err.(ErrFileChunkNotExist)
+	return ok
+}
diff --git a/models/file_chunk.go b/models/file_chunk.go
new file mode 100755
index 000000000..5291ef7bd
--- /dev/null
+++ b/models/file_chunk.go
@@ -0,0 +1,78 @@
+package models
+
+import (
+	"code.gitea.io/gitea/modules/timeutil"
+	"xorm.io/xorm"
+)
+
+const (
+	FileNotUploaded int = iota
+	FileUploaded
+)
+
+type FileChunk struct {
+	ID            int64  `xorm:"pk autoincr"`
+	UUID          string `xorm:"uuid UNIQUE"`
+	Md5			  string `xorm:"UNIQUE"`
+	IsUploaded    int `xorm:"DEFAULT 0"`  // not uploaded: 0, uploaded: 1
+	HasUploaded   string 	//chunkNumbers  1,2,3
+	UploadID   	  string	`xorm:"UNIQUE"`//minio upload id
+	TotalChunks   int64
+	Size		  int64
+	UserID        int64              `xorm:"INDEX"`
+	CreatedUnix   timeutil.TimeStamp `xorm:"INDEX created"`
+	UpdatedUnix   timeutil.TimeStamp `xorm:"INDEX updated"`
+}
+
+// GetFileChunkByMD5 returns fileChunk by given id
+func GetFileChunkByMD5(md5 string) (*FileChunk, error) {
+	return getFileChunkByMD5(x, md5)
+}
+
+func getFileChunkByMD5(e Engine, md5 string) (*FileChunk, error) {
+	fileChunk := new(FileChunk)
+
+	if has, err := e.Where("md5 = ?", md5).Get(fileChunk); err != nil {
+		return nil, err
+	} else if !has {
+		return nil, ErrFileChunkNotExist{md5, ""}
+	}
+	return fileChunk, nil
+}
+
+// GetAttachmentByID returns attachment by given id
+func GetFileChunkByUUID(uuid string) (*FileChunk, error) {
+	return getFileChunkByUUID(x, uuid)
+}
+
+func getFileChunkByUUID(e Engine, uuid string) (*FileChunk, error) {
+	fileChunk := new(FileChunk)
+
+	if has, err := e.Where("uuid = ?", uuid).Get(fileChunk); err != nil {
+		return nil, err
+	} else if !has {
+		return nil, ErrFileChunkNotExist{"", uuid}
+	}
+	return fileChunk, nil
+}
+
+// InsertFileChunk insert a record into file_chunk.
+func InsertFileChunk(fileChunk *FileChunk) (_ *FileChunk, err error) {
+	if _, err := x.Insert(fileChunk); err != nil {
+		return nil, err
+	}
+
+	return fileChunk,nil
+}
+
+// UpdateAttachment updates the given attachment in database
+func UpdateFileChunk(fileChunk *FileChunk) error {
+	return updateFileChunk(x, fileChunk)
+}
+
+func updateFileChunk(e Engine, fileChunk *FileChunk) error {
+	var sess *xorm.Session
+	sess = e.Where("uuid = ?", fileChunk.UUID)
+	_, err := sess.Cols("is_uploaded", "has_uploaded").Update(fileChunk)
+	return err
+}
diff --git a/models/models.go b/models/models.go
old mode 100644
new mode 100755
index e3d7d934f..3009b2b3c
--- a/models/models.go
+++ b/models/models.go
@@ -126,6 +126,7 @@ func init() {
 		new(LanguageStat),
 		new(EmailHash),
 		new(Dataset),
+		new(FileChunk),
 	)
 
 	gonicNames := []string{"SSL", "UID"}
diff --git a/modules/storage/minio_ext.go b/modules/storage/minio_ext.go
index 410ccd452..4f9d97433 100755
--- a/modules/storage/minio_ext.go
+++ b/modules/storage/minio_ext.go
@@ -98,13 +98,17 @@ func getClients()(*minio_ext.Client, *miniov6.Core, error){
 	return client, core, nil
 }
 
-func GenMultiPartSignedUrl(bucketName string, objectName string, uploadId string, partNumber int, partSize int64) (string, error) {
+func GenMultiPartSignedUrl(uuid string, uploadId string, partNumber int, partSize int64) (string, error) {
 	minioClient, _, err := getClients()
 	if err != nil {
 		log.Error("getClients failed:", err.Error())
 		return "", err
 	}
 
+	minio := setting.Attachment.Minio
+	bucketName := minio.Bucket
+	objectName := strings.TrimPrefix(path.Join(minio.BasePath, path.Join(uuid[0:1], uuid[1:2], uuid)), "/")
+
 	return minioClient.GenUploadPartSignedUrl(uploadId, bucketName, objectName, partNumber, partSize, PresignedUploadPartUrlExpireTime)
 
 }
diff --git a/routers/repo/attachment.go b/routers/repo/attachment.go
index 253585e7c..6803b2c5d 100755
--- a/routers/repo/attachment.go
+++ b/routers/repo/attachment.go
@@ -277,6 +277,28 @@ func AddAttachment(ctx *context.Context) {
 	})
 }
 
+func GetSuccessChunks(ctx *context.Context) {
+	fileMD5 := ctx.Params("fileMD5")
+
+	fileChunk, err := models.GetFileChunkByMD5(fileMD5)
+	if err != nil {
+		if models.IsErrFileChunkNotExist(err) {
+			ctx.Error(404)
+		} else {
+			ctx.ServerError("GetFileChunkByMD5", err)
+		}
+		return
+	}
+
+	ctx.JSON(200, map[string]string{
+		"uuid": fileChunk.UUID,
+		"uploaded": strconv.Itoa(fileChunk.IsUploaded),
+		"uploadID":fileChunk.UploadID,
+		"chunks": fileChunk.HasUploaded,
+	})
+
+}
+
 func NewMultipart(ctx *context.Context) {
 	if !setting.Attachment.Enabled {
 		ctx.Error(404, "attachment is not enabled")
@@ -291,15 +313,28 @@ func NewMultipart(ctx *context.Context) {
 
 	if setting.Attachment.StoreType == storage.MinioStorageType {
 		uuid := gouuid.NewV4().String()
-		url, err := storage.NewMultiPartUpload(uuid)
+		uploadID, err := storage.NewMultiPartUpload(uuid)
 		if err != nil {
 			ctx.ServerError("NewMultipart", err)
 			return
 		}
 
+		_, err = models.InsertFileChunk(&models.FileChunk{
+			UUID:       uuid,
+			UserID: 	ctx.User.ID,
+			UploadID:   uploadID,
+			Md5:  		ctx.Params("md5"),
+			Size:		ctx.ParamsInt64("size"),
+		})
+
+		if err != nil {
+			ctx.Error(500, fmt.Sprintf("InsertFileChunk: %v", err))
+			return
+		}
+
 		ctx.JSON(200, map[string]string{
 			"uuid": uuid,
-			"url":  url,
+			"uploadID":  uploadID,
 		})
 	} else {
 		ctx.Error(404, "storage type is not enabled")
@@ -307,18 +342,52 @@ func NewMultipart(ctx *context.Context) {
 	}
 }
 
+func GetMultipartUploadUrl(ctx *context.Context) {
+	uuid := ctx.Query("uuid")
+	uploadID := ctx.Params("uploadID")
+	partNumber := ctx.ParamsInt("partNumber")
+	size := ctx.ParamsInt64("size")
+
+	url,err := storage.GenMultiPartSignedUrl(uuid, uploadID, partNumber, size)
+	if err != nil {
+		ctx.Error(500, fmt.Sprintf("GenMultiPartSignedUrl failed: %v", err))
+		return
+	}
+
+	ctx.JSON(200, map[string]string{
+		"url": url,
+	})
+}
 
 func CompleteMultipart(ctx *context.Context) {
 	uuid := ctx.Query("uuid")
 	uploadID := ctx.Query("uploadID")
 	completedParts := ctx.Query("completedParts")
 
-	_, err := storage.CompleteMultiPartUpload(uuid, uploadID, completedParts)
+	fileChunk, err := models.GetFileChunkByUUID(uuid)
+	if err != nil {
+		if models.IsErrFileChunkNotExist(err) {
+			ctx.Error(404)
+		} else {
+			ctx.ServerError("GetFileChunkByUUID", err)
+		}
+		return
+	}
+
+	_, err = storage.CompleteMultiPartUpload(uuid, uploadID, completedParts)
 	if err != nil {
 		ctx.Error(500, fmt.Sprintf("CompleteMultiPartUpload failed: %v", err))
 		return
 	}
 
+	fileChunk.IsUploaded = models.FileUploaded
+
+	err = models.UpdateFileChunk(fileChunk)
+	if err != nil {
+		ctx.Error(500, fmt.Sprintf("UpdateFileChunk: %v", err))
+		return
+	}
+
 	_, err = models.InsertAttachment(&models.Attachment{
 		UUID:       uuid,
 		UploaderID: ctx.User.ID,
@@ -337,3 +406,30 @@ func CompleteMultipart(ctx *context.Context) {
 		"result_code": "0",
 	})
 }
+
+func UpdateMultipart(ctx *context.Context) {
+	uuid := ctx.Query("uuid")
+	partNumber := ctx.QueryInt("partNumber")
+
+	fileChunk, err := models.GetFileChunkByUUID(uuid)
+	if err != nil {
+		if models.IsErrFileChunkNotExist(err) {
+			ctx.Error(404)
+		} else {
+			ctx.ServerError("GetFileChunkByUUID", err)
+		}
+		return
+	}
+
+	fileChunk.HasUploaded += "," + strconv.Itoa(partNumber)
+
+	err = models.UpdateFileChunk(fileChunk)
+	if err != nil {
+		ctx.Error(500, fmt.Sprintf("UpdateFileChunk: %v", err))
+		return
+	}
+
+	ctx.JSON(200, map[string]string{
+		"result_code": "0",
+	})
+}
diff --git a/routers/routes/routes.go b/routers/routes/routes.go
index 6216261cd..ea8ea3c16 100755
--- a/routers/routes/routes.go
+++ b/routers/routes/routes.go
@@ -521,8 +521,11 @@ func RegisterRoutes(m *macaron.Macaron) {
 		m.Get("/get_pre_url", repo.GetPresignedPutObjectURL)
 		m.Post("/add", repo.AddAttachment)
 		m.Post("/private", repo.UpdatePublicAttachment)
+		m.Get("/get_chunks", repo.GetSuccessChunks)
 		m.Get("/new_multipart", repo.NewMultipart)
+		m.Get("/get_multipart_url", repo.GetMultipartUploadUrl)
 		m.Post("/complete_multipart", repo.CompleteMultipart)
+		m.Post("/update_multipart", repo.UpdateMultipart)
 	}, reqSignIn)
 
 	m.Group("/:username", func() {