init commit

README.md

@@ -238,7 +238,7 @@ IScan.offScanListener("order");
 listener.cancel();
 ```
 
-### `getStatus(): "scanning" | "closed"`
+### `getStatus(): "scanning" | "ready"`
 
 获取当前扫码状态。
 
@@ -301,7 +301,7 @@ interface ScanResult {
   key: string;
 }
 
-type ScanStatus = "scanning" | "closed";
+type ScanStatus = "scanning" | "ready";
 
 type ScanResultCallback = (result: ScanResult) => any;
 type ScanStatusCallback = (status: ScanStatus) => any;