Update README.md

Author: usecodelee

README.md

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+# wenkudl
+
+[![star this repo](http://githubbadges.com/star.svg?user=usecodelee&repo=wenku-download&style=default)](https://github.com/usecodelee/wenku-download)
+[![fork this repo](http://githubbadges.com/fork.svg?user=usecodelee&repo=wenku-download&style=default)](https://github.com/usecodelee/wenku-download/fork) ![](https://img.shields.io/badge/wenkudl-v1.0-green.svg) ![](https://img.shields.io/badge/language-javascript-yellow.svg) ![](https://img.shields.io/badge/use-extension-orange.svg)
+
+Copy the baidu wenku Word or PDF article with one key, automatically save it as Word document, and download it to local.
+
+## How To Use
+
+- **Dowmload**
+
+```bash
+    git clone https://github.com/usecodelee/wenku-download.git
+```
+
+- **Install**
+
+    1. > **Open the Google browser**
+    
+    2. > **Click the Settings in the upper right corner -> more tools -> extension program**
+    
+        <img src="https://github.com/usecodelee/wenku-download/blob/master/images/1.jpg" width="300" hegiht="150" align=center />
+        
+    3. > **Click on the top right corner to open developer mode**
+    
+        <img src="https://github.com/usecodelee/wenku-download/blob/master/images/2.jpg" width="300" hegiht="150" align=center />
+        
+    4. > **Open the downloaded file and drag the wenkudl folder into the Google browser extender page**
+    
+        <img src="https://github.com/usecodelee/wenku-download/blob/master/images/3.jpg" width="300" hegiht="150" align=center />
+        
+    5. > **installation success**
+    
+        <img src="https://github.com/usecodelee/wenku-download/blob/master/images/4.jpg" width="300" hegiht="150" align=center />
+    
+- **Usage**
+
+    1. > **Open baidu library and find Word or PDF to download**
+    
+    2. > **Slide down to the bottom and click "what's left?Page not read, continue to read "**
+    
+        <img src="https://github.com/usecodelee/wenku-download/blob/master/images/5.jpg" width="300" hegiht="150" align=center />
+        
+    3. > **Click the wenkudl icon in the upper right corner**
+    
+        <img src="https://github.com/usecodelee/wenku-download/blob/master/images/6.jpg" width="300" hegiht="150" align=center />
+        
+    4. > **Click start **
+    
+        <img src="https://github.com/usecodelee/wenku-download/blob/master/images/7.jpg" width="300" hegiht="150" align=center />
+        
+    5. > **Just wait a moment**
+    
+        <img src="https://github.com/usecodelee/wenku-download/blob/master/images/8.jpg" width="300" hegiht="150" align=center />