diff --git a/apps/h5-partner/src/components/OssUploadField.tsx b/apps/h5-partner/src/components/OssUploadField.tsx
index a958ba2..ac3e11a 100644
--- a/apps/h5-partner/src/components/OssUploadField.tsx
+++ b/apps/h5-partner/src/components/OssUploadField.tsx
@@ -99,17 +99,24 @@ export default function OssUploadField({
     });
   }, [useWechatPicker, needsAuth]);
 
-  async function uploadSelectedFile(file: File) {
-    if (file.size > DEFAULT_MAX_MB * 1024 * 1024) {
-      const text = `文件不能超过 ${DEFAULT_MAX_MB}MB`;
-      showUploadError(text);
+  async function persistUpload(file: File) {
+    if (!file.size) {
+      showUploadError('图片读取失败，请重新选择');
       return;
     }
+    if (file.size > DEFAULT_MAX_MB * 1024 * 1024) {
+      showUploadError(`文件不能超过 ${DEFAULT_MAX_MB}MB`);
+      return;
+    }
+    const result = await uploadFileToOss(file, { bizType, mediaType });
+    onChange?.(result.url);
+  }
+
+  async function uploadSelectedFile(file: File) {
     setUploading(true);
     setError('');
     try {
-      const result = await enqueueUpload(() => uploadFileToOss(file, { bizType, mediaType }));
-      onChange?.(result.url);
+      await enqueueUpload(() => persistUpload(file));
     } catch (e) {
       showUploadError(e instanceof Error ? e.message : '上传失败');
     } finally {
@@ -142,14 +149,19 @@ export default function OssUploadField({
     try {
       weixinSdk.reset();
       await weixinSdk.init();
+      // 选图 + 上传须在同一个队列任务内完成，避免嵌套 enqueueUpload 死锁
       await enqueueUpload(async () => {
         const files = await weixinSdk.chooseImages({
           count: 1,
           sourceType: ['album', 'camera'],
         });
         if (!files?.[0]) return;
-        await uploadSelectedFile(files[0]);
+        await persistUpload(files[0]);
       });
+    } catch (e) {
+      const msg = e instanceof Error ? e.message : '无法打开相册';
+      if (/cancel/i.test(msg)) return;
+      showUploadError(formatWechatUploadError(e));
     } finally {
       setUploading(false);
     }