diff --git a/kernel/model/assets.go b/kernel/model/assets.go
index bab1b89e7..c8bcd1332 100644
--- a/kernel/model/assets.go
+++ b/kernel/model/assets.go
@@ -95,15 +95,18 @@ func NetImg2LocalAssets(rootID string) (err error) {
 			if !sql.IsAssetLinkDest(dest) && (bytes.HasPrefix(bytes.ToLower(dest), []byte("https://")) || bytes.HasPrefix(bytes.ToLower(dest), []byte("http://"))) {
 				u := string(dest)
 				if strings.Contains(u, "qpic.cn") {
-					// 微信图片拉取改进 https://github.com/siyuan-note/siyuan/issues/5052
+					// 改进 `网络图片转换为本地图片` 微信图片拉取 https://github.com/siyuan-note/siyuan/issues/5052
 					if strings.Contains(u, "http://") {
 						u = strings.Replace(u, "http://", "https://", 1)
 					}
-					if strings.HasSuffix(u, "/0") {
-						u = strings.Replace(u, "/0", "/640", 1)
-					} else if strings.Contains(u, "/0?") {
-						u = strings.Replace(u, "/0?", "/640?", 1)
-					}
+
+					// 改进 `网络图片转换为本地图片` 微信图片拉取 https://github.com/siyuan-note/siyuan/issues/6431
+					// 下面这部分需要注释掉，否则会导致响应 400
+					//if strings.HasSuffix(u, "/0") {
+					//	u = strings.Replace(u, "/0", "/640", 1)
+					//} else if strings.Contains(u, "/0?") {
+					//	u = strings.Replace(u, "/0?", "/640?", 1)
+					//}
 				}
 				util.PushUpdateMsg(msgId, fmt.Sprintf(Conf.Language(119), u), 15000)
 				request := httpclient.NewBrowserRequest()