Update wrapper.md

miemieYaho · web-flow · commit daa1dd8269e9 · 2019-05-23T11:18:27.000+08:00
diff --git a/guide/wrapper.md b/guide/wrapper.md
@@ -378,7 +378,7 @@ set(boolean condition, String column, Object val)
 setSql(String sql)
 ```
 - 设置 SET 部分 SQL
-- 例: `set("name = '老李头')`
+- 例: `setSql("name = '老李头')`
 
 ### lambda
 - 获取 `LambdaWrapper`  
