diff --git a/pkg/utils/file/file.go b/pkg/utils/file/file.go
index bf89988..c411a8f 100644
--- a/pkg/utils/file/file.go
+++ b/pkg/utils/file/file.go
@@ -39,7 +39,7 @@ func CheckPermission(src string) bool {
 
 // IsNotExistMkDir create a directory if it does not exist
 func IsNotExistMkDir(src string) error {
-	if notExist := CheckNotExist(src); notExist == true {
+	if notExist := CheckNotExist(src); notExist {
 		if err := MkDir(src); err != nil {
 			return err
 		}
@@ -293,7 +293,7 @@ func WriteToPath(data []byte, path, name string) error {
 }
 
 //最终拼接
-func SpliceFiles(dir, path string, length int) error {
+func SpliceFiles(dir, path string, length int, startPoint int) error {
 
 	fullPath := path
 
@@ -305,8 +305,8 @@ func SpliceFiles(dir, path string, length int) error {
 	)
 	defer file.Close()
 	bufferedWriter := bufio.NewWriter(file)
-	for i := 0; i < length; i++ {
-		data, err := ioutil.ReadFile(path + strconv.Itoa(i))
+	for i := 0; i < length+startPoint; i++ {
+		data, err := ioutil.ReadFile(dir + "/" + strconv.Itoa(i+startPoint))
 		if err != nil {
 			return err
 		}
diff --git a/route/v1/file.go b/route/v1/file.go
index 0a5c83a..ce8145f 100644
--- a/route/v1/file.go
+++ b/route/v1/file.go
@@ -292,27 +292,23 @@ func GetFileUpload(c *gin.Context) {
 
 	relative := c.Query("relativePath")
 	fileName := c.Query("filename")
-	size, _ := strconv.ParseInt(c.Query("totalSize"), 10, 64)
+	chunkNumber := c.Query("chunkNumber")
 	path := c.Query("path")
+	dirPath := ""
 	if fileName != relative {
-		dirPath := strings.TrimSuffix(relative, fileName)
+		dirPath = strings.TrimSuffix(relative, fileName)
 		file.MkDir(path + "/" + dirPath)
 	}
-	path += "/" + relative
-
-	if !file.CheckNotExist(path) {
-		f, _ := os.Stat(path)
-
-		if f.Size() == size {
-
-			c.JSON(200, model.Result{Success: 200, Message: oasis_err2.GetMsg(oasis_err2.FILE_ALREADY_EXISTS)})
-			return
-		}
-
-		os.Remove(path)
-		c.JSON(204, model.Result{Success: 204, Message: oasis_err2.GetMsg(oasis_err2.SUCCESS)})
+	hash := file.GetHashByContent([]byte(fileName))
+	tempDir := path + "/"
+	if len(dirPath) > 0 {
+		tempDir += dirPath + "/" + hash + "/" + chunkNumber
+	} else {
+		tempDir += hash + "/" + chunkNumber
+	}
+	if !file.CheckNotExist(tempDir) {
+		c.JSON(200, model.Result{Success: 200, Message: oasis_err2.GetMsg(oasis_err2.FILE_ALREADY_EXISTS)})
 		return
-
 	}
 
 	c.JSON(204, model.Result{Success: 204, Message: oasis_err2.GetMsg(oasis_err2.SUCCESS)})
@@ -331,32 +327,66 @@ func PostFileUpload(c *gin.Context) {
 	f, _, _ := c.Request.FormFile("file")
 	relative := c.PostForm("relativePath")
 	fileName := c.PostForm("filename")
+	totalChunks, _ := strconv.Atoi(c.DefaultPostForm("totalChunks", "0"))
+	chunkNumber := c.PostForm("chunkNumber")
+	dirPath := ""
 	path := c.PostForm("path")
 
+	hash := file.GetHashByContent([]byte(fileName))
+
 	if len(path) == 0 {
 		c.JSON(oasis_err2.INVALID_PARAMS, model.Result{Success: oasis_err2.INVALID_PARAMS, Message: oasis_err2.GetMsg(oasis_err2.INVALID_PARAMS)})
 		return
 	}
 
 	if fileName != relative {
-		dirPath := strings.TrimSuffix(relative, fileName)
+		dirPath = strings.TrimSuffix(relative, fileName)
 		file.MkDir(path + "/" + dirPath)
 	}
+	tempDir := path + "/"
+	if len(dirPath) > 0 {
+		tempDir += dirPath + "/" + hash
+	} else {
+		tempDir += hash
+	}
 	path += "/" + relative
 
-	if !file.CheckNotExist(path) {
-
+	if !file.CheckNotExist(tempDir + "/" + chunkNumber) {
 		c.JSON(oasis_err2.FILE_ALREADY_EXISTS, model.Result{Success: oasis_err2.FILE_ALREADY_EXISTS, Message: oasis_err2.GetMsg(oasis_err2.FILE_ALREADY_EXISTS)})
 		return
 	}
 
-	out, _ := os.OpenFile(path, os.O_WRONLY|os.O_CREATE, 0644)
-	defer out.Close()
-	_, err := io.Copy(out, f)
+	if totalChunks > 1 {
+		file.IsNotExistMkDir(tempDir)
+
+		out, _ := os.OpenFile(tempDir+"/"+chunkNumber, os.O_WRONLY|os.O_CREATE, 0644)
+		defer out.Close()
+		_, err := io.Copy(out, f)
+		if err != nil {
+			c.JSON(oasis_err2.ERROR, model.Result{Success: oasis_err2.ERROR, Message: oasis_err2.GetMsg(oasis_err2.ERROR), Data: err.Error()})
+			return
+		}
+	} else {
+		out, _ := os.OpenFile(path, os.O_WRONLY|os.O_CREATE, 0644)
+		defer out.Close()
+		_, err := io.Copy(out, f)
+		if err != nil {
+			c.JSON(oasis_err2.ERROR, model.Result{Success: oasis_err2.ERROR, Message: oasis_err2.GetMsg(oasis_err2.ERROR), Data: err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, model.Result{Success: oasis_err2.SUCCESS, Message: oasis_err2.GetMsg(oasis_err2.SUCCESS)})
+		return
+	}
+	fileNum, err := ioutil.ReadDir(tempDir)
 	if err != nil {
 		c.JSON(oasis_err2.ERROR, model.Result{Success: oasis_err2.ERROR, Message: oasis_err2.GetMsg(oasis_err2.ERROR), Data: err.Error()})
 		return
 	}
+	if totalChunks == len(fileNum) {
+		file.SpliceFiles(tempDir, path, totalChunks, 1)
+		file.RMDir(tempDir)
+	}
+
 	c.JSON(http.StatusOK, model.Result{Success: oasis_err2.SUCCESS, Message: oasis_err2.GetMsg(oasis_err2.SUCCESS)})
 }
 
diff --git a/service/udpconn.go b/service/udpconn.go
index a476f82..c22c762 100644
--- a/service/udpconn.go
+++ b/service/udpconn.go
@@ -157,7 +157,7 @@ func ReadContent(stream quic.Stream) (model.MessageModel, error) {
 
 			err = ioutil.WriteFile(filepath, dataByte, 0644)
 			if dataModel.Index >= (dataModel.Length - 1) {
-				file.SpliceFiles("", path, dataModel.Length)
+				//file.SpliceFiles("", path, dataModel.Length)
 				break
 			}
 		} else {
diff --git a/types/system.go b/types/system.go
index 22e307a..f9d3235 100644
--- a/types/system.go
+++ b/types/system.go
@@ -2,4 +2,4 @@ package types
 
 const CURRENTVERSION = "0.2.10"
 
-const BODY = "<li>sAdded CasaOS own file manager</li><li>Fixed issues</li><li>Update front-end translation</li>"
+const BODY = "<li>Added CasaOS own file manager</li><li>Fixed the problem of failed to create storage space</li>"