diff --git a/README_en.md b/README_en.md
index 12cb457f..2f3a7f9a 100644
--- a/README_en.md
+++ b/README_en.md
@@ -56,7 +56,7 @@
 
 🌎 Platform support: **Windows** , **macOS**, **Linux** and **Web**
 
-💡 Backup and Restore,Sync with your favorite cloud drive
+💡 Backup and Restore, Sync with your favorite cloud drive
 
 📝 Single-column, two-column, or continuous scrolling layouts
 
diff --git a/package.json b/package.json
index 78a2111d..98160e37 100644
--- a/package.json
+++ b/package.json
@@ -20,16 +20,12 @@
     "font-list": "^1.2.11",
     "i18next": "^19.4.4",
     "i18next-browser-languagedetector": "^4.2.0",
-    "iconv-lite": "^0.6.2",
     "is-electron": "^2.2.0",
     "md5": "^2.3.0",
-    "onedrive-api": "^0.5.0",
     "qs": "^6.9.4",
     "react-device-detect": "^1.12.1",
     "react-dropzone": "^11.0.1",
-    "react-i18next": "^9.0.10",
-    "react-router-dom": "^5.2.0",
-    "underscore": "^1.11.0"
+    "react-i18next": "^9.0.10"
   },
   "scripts": {
     "analyze": "source-map-explorer 'build/static/js/*.js'",
@@ -139,6 +135,8 @@
     "@types/spark-md5": "^3.0.2",
     "@types/react-router-dom": "^5.1.6",
     "@types/underscore": "^1.10.24",
+    "react-router-dom": "^5.2.0",
+    "underscore": "^1.11.0",
     "classnames": "^2.2.6",
     "concurrently": "^5.0.1",
     "cross-env": "^6.0.3",
@@ -148,6 +146,7 @@
     "file-saver": "^2.0.2",
     "html-react-parser": "^0.13.0",
     "localforage": "^1.7.3",
+    "iconv-lite": "^0.6.2",
     "node-sass": "^4.13.0",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
@@ -160,6 +159,7 @@
     "source-map-explorer": "^2.5.0",
     "spark-md5": "^3.0.1",
     "typescript": "^3.8.3",
+    "onedrive-api": "^0.5.0",
     "wait-on": "^3.3.0"
   }
 }
diff --git a/public/lib/pdf/compressed.tracemonkey-pldi-09.pdf b/public/lib/pdf/compressed.tracemonkey-pldi-09.pdf
deleted file mode 100644
index 65570184..00000000
Binary files a/public/lib/pdf/compressed.tracemonkey-pldi-09.pdf and /dev/null differ
diff --git a/src/assets/locales/cn/translation.json b/src/assets/locales/cn/translation.json
index 08d2d9cb..7755a2a4 100644
--- a/src/assets/locales/cn/translation.json
+++ b/src/assets/locales/cn/translation.json
@@ -8,6 +8,7 @@
   "My Digests": "我的书摘",
   "My Shelves": "我的书架",
   "Please continue in desktop version": "仅客户端版本支持",
+  "Only Desktop support this format": "仅客户端版本支持Mobi和TXT格式",
   "Book not exsit": "书籍不存在",
   "Delete this shelf": "删除此书架",
   "This action will clear and remove this shelf": "此操作会清空并删除此书架",
diff --git a/src/assets/locales/en/translation.json b/src/assets/locales/en/translation.json
index b3d7d598..606cc110 100644
--- a/src/assets/locales/en/translation.json
+++ b/src/assets/locales/en/translation.json
@@ -123,6 +123,7 @@
   "Last Step": "Last Step",
   "Next Step": "Next Step",
   "Go To": "Go To",
+  "Only Desktop support this format": "Only Desktop support this format",
   "Delete from Shelf": "Delete from Shelf",
   "Delete Successfully": "Delete Successfully",
   "This action will delete all the notes, bookmarks and digests of this book": "This action will delete all the notes, bookmarks and digests of this book",
diff --git a/src/assets/locales/tw/translation.json b/src/assets/locales/tw/translation.json
index ff550314..d11d934d 100644
--- a/src/assets/locales/tw/translation.json
+++ b/src/assets/locales/tw/translation.json
@@ -191,5 +191,6 @@
   "Current Chapter Pages": "本章页数",
   "Chapter Redirect": "章节跳转",
   "Continuous Scroll": "连续滚动",
-  "Chapter Scroll": "分章滚动"
+  "Chapter Scroll": "分章滚动",
+  "Only Desktop support this format": "仅客户端版本支持Mobi和TXT格式"
 }
diff --git a/src/components/importLocal/component.tsx b/src/components/importLocal/component.tsx
index e11f91b6..bdb1301c 100644
--- a/src/components/importLocal/component.tsx
+++ b/src/components/importLocal/component.tsx
@@ -169,7 +169,7 @@ class ImportLocal extends React.Component<ImportLocalProps, ImportLocalState> {
               });
           } else if (extension === "mobi") {
             if (!isElectron()) {
-              this.props.handleMessage("Please continue in desktop version");
+              this.props.handleMessage("Only Desktop support this format");
               this.props.handleMessageBox(true);
               console.log("Error occurs");
               reject();
@@ -197,7 +197,7 @@ class ImportLocal extends React.Component<ImportLocalProps, ImportLocalState> {
             reader.readAsArrayBuffer(file);
           } else if (extension === "txt") {
             if (!isElectron()) {
-              this.props.handleMessage("Please continue in desktop version");
+              this.props.handleMessage("Only Desktop support this format");
               this.props.handleMessageBox(true);
               console.log("Error occurs");
               reject();