diff --git a/public/docs/ts/latest/guide/style-guide.jade b/public/docs/ts/latest/guide/style-guide.jade
index 04d1f088a1..4d01d2c3e0 100644
--- a/public/docs/ts/latest/guide/style-guide.jade
+++ b/public/docs/ts/latest/guide/style-guide.jade
@@ -129,7 +129,7 @@ a(id='toc')
   Apply the [Single Responsibility Principle](https://wikipedia.org/wiki/Single_responsibility_principle) to all components, services, and other symbols. 
   This helps make the app cleaner, easier to read and maintain, and more testable.
 
-  所有组件、服务和其它符号都要遵循[单一职责原则](https://en.wikipedia.org/wiki/Single_responsibility_principle。
+  所有组件、服务和其它符号都要遵循[单一职责原则](https://en.wikipedia.org/wiki/Single_responsibility_principle)。
   这会使应用程序更干净，易于阅读和维护，提高可测试性。
 
   ### <a id="01-01"></a>Rule of One