diff --git a/lib/common/widgets/network_img_layer.dart b/lib/common/widgets/network_img_layer.dart
index 03adc166..7ea20af9 100644
--- a/lib/common/widgets/network_img_layer.dart
+++ b/lib/common/widgets/network_img_layer.dart
@@ -35,29 +35,16 @@ class NetworkImgLayer extends StatelessWidget {
     final String imageUrl =
         '${src!.startsWith('//') ? 'https:${src!}' : src!}@${quality ?? 100}q.webp';
     int? memCacheWidth, memCacheHeight;
-    double aspectRatio = (width / height).toDouble();
 
-    void setMemCacheSizes() {
-      if (aspectRatio > 1) {
-        memCacheHeight = height.cacheSize(context);
-      } else if (aspectRatio < 1) {
-        memCacheWidth = width.cacheSize(context);
-      } else {
-        if (origAspectRatio != null && origAspectRatio! > 1) {
-          memCacheWidth = width.cacheSize(context);
-        } else if (origAspectRatio != null && origAspectRatio! < 1) {
-          memCacheHeight = height.cacheSize(context);
-        } else {
-          memCacheWidth = width.cacheSize(context);
-          memCacheHeight = height.cacheSize(context);
-        }
-      }
-    }
-
-    setMemCacheSizes();
-
-    if (memCacheWidth == null && memCacheHeight == null) {
-      memCacheWidth = width.toInt();
+    if (width > height || (origAspectRatio != null && origAspectRatio! > 1)) {
+      memCacheWidth = width.cacheSize(context);
+    } else if (width < height ||
+        (origAspectRatio != null && origAspectRatio! < 1)) {
+      memCacheHeight = height.cacheSize(context);
+    } else {
+      // 不能同时设置，否则会导致图片变形
+      memCacheWidth = width.cacheSize(context);
+      // memCacheHeight = height.cacheSize(context);
     }
 
     return src != '' && src != null