diff --git a/src/utils/imageCompress.ts b/src/utils/imageCompress.ts
index 58477d8..65ebaad 100644
--- a/src/utils/imageCompress.ts
+++ b/src/utils/imageCompress.ts
@@ -5,8 +5,8 @@
  * 上传前压成 AVATAR_UPLOAD_SIZE 见方的 JPEG，可显著减少请求体体积。
  */
 
-/** 头像上传目标边长（正方形，px） */
-export const AVATAR_UPLOAD_SIZE = 50
+/** 头像上传目标边长（正方形，px）：覆盖编辑预览 96px 与列表/成员 38/30px */
+export const AVATAR_UPLOAD_SIZE = 96
 
 /** 载入图片为可绘制源（优先 ImageBitmap，回退 HTMLImageElement） */
 async function LoadImageSource(file: File): Promise<ImageBitmap | HTMLImageElement> {
diff --git a/src/views/Profile.vue b/src/views/Profile.vue
index 71b64ae..3dfb3f7 100644
--- a/src/views/Profile.vue
+++ b/src/views/Profile.vue
@@ -41,7 +41,7 @@ async function handleAvatarChange(e: Event): Promise<void> {
   if (avatarUploading.value) return
   avatarUploading.value = true
   try {
-    // 前端预压缩为 50×50 JPEG，降低上传体积与延迟（后端仍会再规范化）
+    // 前端预压缩为 96×96 JPEG，降低上传体积与延迟（后端仍会再规范化）
     await uploadAvatar(await compressImageSquare(file))
     avatarVersion.value++
     ElMessage.success('头像修改成功')
diff --git a/src/views/talk/Talk.vue b/src/views/talk/Talk.vue
index b310ccf..bb35bb7 100644
--- a/src/views/talk/Talk.vue
+++ b/src/views/talk/Talk.vue
@@ -766,7 +766,7 @@ async function OnAvatarPicked(event: Event): Promise<void> {
   }
   AvatarUploading.value = true
   try {
-    // 前端预压缩为 50×50 JPEG 后上传，降低体积与延迟
+    // 前端预压缩为 96×96 JPEG 后上传，降低体积与延迟
     const result = await uploadTalkAttachment(await compressImageSquare(file))
     AvatarSHA1.value = result.SHA1
     AvatarPreview.value = buildTalkAssetUrl(result.SHA1)