更新 WeChatModule.java

@@ -308,7 +308,7 @@ public class WeChatModule extends ReactContextBaseJavaModule implements IWXAPIEv
         }
 
         if (uri != null) {
-            this._getImage(uri, new ResizeOptions(100, 100), new ImageCallback() {
+            this._getImage(uri, new ResizeOptions(500, 400), new ImageCallback() {
                 @Override
                 public void invoke(@Nullable Bitmap bitmap) {
                     WeChatModule.this._share(scene, data, bitmap, callback);