1.调整截图大小

lib/widgets/share/share_alert_select.dart

@@ -112,7 +112,7 @@ class _ShareAlertSelectState extends State<ShareAlertSelect> {
       RenderRepaintBoundary boundary = buildContext.findRenderObject();
 
       ///pixelRatio是放大倍数
-      ui.Image image = await boundary.toImage(pixelRatio: 3);
+      ui.Image image = await boundary.toImage(pixelRatio: 5);
       // 注意：png是压缩后格式，如果需要图片的原始像素数据，请使用rawRgba
       ByteData byteData = await image.toByteData(format: ui.ImageByteFormat.png);
       Uint8List pngBytes = byteData.buffer.asUint8List();
@@ -381,7 +381,7 @@ class _ShareAlertContentState extends State<_ShareAlertContent> {
           }
 
           if (_shareDataModel?.poster != null) {
-            File file = await EncodeUtil.compressImage(context, images: _shareDataModel?.poster, size: 400);
+            File file = await EncodeUtil.compressImage(context, images: _shareDataModel?.poster, size: 500);
             _shareDataModel.poster = file.readAsBytesSync();
             Loading.dismiss();
           }