diff --git a/集成实用夹/书籍与文档/readme.md b/集成实用夹/书籍与文档/readme.md
index daf5722..c22ccf4 100644
--- a/集成实用夹/书籍与文档/readme.md
+++ b/集成实用夹/书籍与文档/readme.md
@@ -28,6 +28,7 @@
 * http://wenku.bemfa.com
 * http://hiwenku.com
 * http://39.108.149.27:9999/
+* http://qingwendang.com/
 * <i>[YHI](https://shui.azurewebsites.net/bdwk/)</i>
 
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