diff --git a/docs/UniMPDocs/API/harmony.md b/docs/UniMPDocs/API/harmony.md
index 1d725946ee6a759698a63ad9556e98b9e61e1845..1f36d5aae0e7661a16da27190dc7b0af278496fe 100644
--- a/docs/UniMPDocs/API/harmony.md
+++ b/docs/UniMPDocs/API/harmony.md
@@ -124,4 +124,8 @@ on(event: 'close' | 'show' | 'hide', callback: () => void): void
 
 ```ts
 off(name: string, callback: Function): void
-```
\ No newline at end of file
+```
+
+
+ //获取运行目录    只有写了方法，无论是否调用，都会报错
+    let path: string = getUniMPRunPath(uniappId)
\ No newline at end of file