diff --git a/frontend/src/api/files.js b/frontend/src/api/files.js
index 953740d7..2c16eec3 100644
--- a/frontend/src/api/files.js
+++ b/frontend/src/api/files.js
@@ -126,7 +126,6 @@ export async function post(url, content = '', overwrite = false, onupload) {
     return;
   }
 
-  debugger;
   let fileSize = content.size;
   let mb = 1024 * 1024;
   let fileSizeMB = fileSize / mb;
@@ -147,11 +146,12 @@ export async function post(url, content = '', overwrite = false, onupload) {
       endInex = fileSize;
     }
     fileContent = blobSlice.call(allContent, startIndex, endInex);
-    
+
     debugger;
     let params = `&fileID=${fileID}&chunckIndex=${index + 1}&totalChunck=${totalChunks}`
-    await partialUpload(url, params, fileContent).catch(err => {
-      debugger;
+    await partialUpload(url, params, fileContent).then(() => {
+      tryCount = 0;
+    }).catch(err => {
       if (tryCount <= 2) {//one file try three times
         index--;
         tryCount++;
@@ -159,7 +159,6 @@ export async function post(url, content = '', overwrite = false, onupload) {
         throw err;
       }
     });
-    tryCount = 0;
   }
 }
 
diff --git a/frontend/src/store/getters.js b/frontend/src/store/getters.js
index 11ad60ab..f1b27ff8 100644
--- a/frontend/src/store/getters.js
+++ b/frontend/src/store/getters.js
@@ -6,10 +6,12 @@ const getters = {
   isPreview: state => state.previewMode,
   selectedCount: state => state.selected.length,
   progress : state => {
+    /* eslint-disable no-debugger */
+
     if (state.upload.progress.length == 0) {
       return 0;
     }
-
+    debugger;
     let sum = state.upload.progress.reduce((acc, val) => acc + val)
     return Math.ceil(sum / state.upload.size * 100);
   }
diff --git a/frontend/src/store/modules/upload.js b/frontend/src/store/modules/upload.js
index 6552dd01..57a6816c 100644
--- a/frontend/src/store/modules/upload.js
+++ b/frontend/src/store/modules/upload.js
@@ -12,9 +12,10 @@ const state = {
   queue: [],
   uploads: {}
 }
-
+/* eslint-disable no-debugger */
 const mutations = {
   setProgress(state, { id, loaded }) {
+    debugger;
     Vue.set(state.progress, id, loaded)
   },
   reset: (state) => {
diff --git a/http/resource.go b/http/resource.go
index 8386893b..72e79619 100644
--- a/http/resource.go
+++ b/http/resource.go
@@ -139,7 +139,7 @@ var resourcePostPutHandler = withUser(func(w http.ResponseWriter, r *http.Reques
 			filePath = dir + spieceFileName
 			if totalChunck != chunckIndex {
 				_, err := d.user.Fs.Stat(filePath)
-				if err != nil {
+				if err == nil {
 					//the piece has exist
 					isPieceHasUpload = true
 				}
@@ -152,7 +152,7 @@ var resourcePostPutHandler = withUser(func(w http.ResponseWriter, r *http.Reques
 				return err
 			}
 
-			file, err := d.user.Fs.OpenFile(filePath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0775)
+			file, err = d.user.Fs.OpenFile(filePath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0775)
 			if err != nil {
 				return err
 			}
@@ -172,10 +172,11 @@ var resourcePostPutHandler = withUser(func(w http.ResponseWriter, r *http.Reques
 		if chunckIndex == totalChunck && totalChunckInt > 1 {
 			//merge all spiece files
 			itemPath := ""
+			var err error
 			//create original file
-			file, _err := d.user.Fs.OpenFile(r.URL.Path, os.O_CREATE|os.O_APPEND|os.O_RDWR, 0777)
-			if _err != nil {
-				return _err
+			file, err = d.user.Fs.OpenFile(r.URL.Path, os.O_CREATE|os.O_APPEND|os.O_RDWR, 0777)
+			if err != nil {
+				return err
 			}
 			defer file.Close()