diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..ebb4af5
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,5 @@
+{
+  "singleQuote": true,
+  "printWidth": 100,
+  "trailingComma": "all"
+}
diff --git a/index.d.ts b/index.d.ts
index ecfe72b..3eaac90 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -161,4 +161,14 @@ declare module 'react-native-wechat-lib' {
   export function chooseInvoice(
     data?: ChooseInvoice,
   ): Promise<{ errCode?: number; errStr?: string; cards: Invoice[] }>;
+
+  export interface ShareFileMetadata {
+    url: string;
+    title?: string;
+    ext?: string;
+    scene?: WXScene;
+  }
+  export function shareFile(
+    data: ShareFileMetadata,
+  ): Promise<{ errCode?: number; errStr?: string }>;
 }
diff --git a/index.js b/index.js
index 28b2312..e48e15e 100644
--- a/index.js
+++ b/index.js
@@ -159,6 +159,7 @@ const nativeShareMiniProgram = wrapApi(WeChat.shareMiniProgram);
 const nativeSubscribeMessage = wrapApi(WeChat.subscribeMessage);
 
 const nativeChooseInvoice = wrapApi(WeChat.chooseInvoice);
+const nativeShareFile = wrapApi(WeChat.shareFile);
 
 /**
  * @method sendAuthRequest
@@ -217,6 +218,24 @@ export function chooseInvoice(data) {
   });
 }
 
+/**
+ * Share File
+ * @method shareFile
+ * @param {Object} data
+ */
+export function shareFile(data) {
+  return new Promise((resolve, reject) => {
+    nativeShareFile(data);
+    emitter.once('SendMessageToWX.Resp', (resp) => {
+      if (resp.errCode === 0) {
+        resolve(resp);
+      } else {
+        reject(new WechatError(resp));
+      }
+    });
+  });
+}
+
 /**
  * Share image
  * @method shareImage
diff --git a/ios/RCTWeChat.m b/ios/RCTWeChat.m
index 8a6075d..e236589 100644
--- a/ios/RCTWeChat.m
+++ b/ios/RCTWeChat.m
@@ -260,6 +260,33 @@ RCT_EXPORT_METHOD(chooseInvoice:(NSDictionary *)data
     [WXApi sendReq:req completion:completion];
 }
 
+// 分享文件
+RCT_EXPORT_METHOD(shareFile:(NSDictionary *)data
+                  :(RCTResponseSenderBlock)callback)
+{
+    NSString *url = data[@"url"];
+    WXFileObject *file =  [[WXFileObject alloc] init];
+    file.fileExtension = data[@"ext"];
+    NSData *fileData = [NSData dataWithContentsOfURL:[NSURL URLWithString: url]];
+    file.fileData = fileData;
+    
+    WXMediaMessage *message = [WXMediaMessage message];
+    message.title = data[@"title"];
+    message.mediaObject = file;
+    
+    SendMessageToWXReq *req = [[SendMessageToWXReq alloc] init];
+    req.bText = NO;
+    req.message = message;
+    req.scene = [data[@"scene"] integerValue];
+    void ( ^ completion )( BOOL );
+    completion = ^( BOOL success )
+    {
+        callback(@[success ? [NSNull null] : INVOKE_FAILED]);
+        return;
+    };
+    [WXApi sendReq:req completion:completion];
+}
+
 // 分享图片
 RCT_EXPORT_METHOD(shareImage:(NSDictionary *)data
                   :(RCTResponseSenderBlock)callback)