diff --git a/apps/h5-partner/src/components/OssUploadField.tsx b/apps/h5-partner/src/components/OssUploadField.tsx
index a14e3eb..1d5c440 100644
--- a/apps/h5-partner/src/components/OssUploadField.tsx
+++ b/apps/h5-partner/src/components/OssUploadField.tsx
@@ -1,4 +1,4 @@
-import { useId, useRef, useState } from 'react';
+import { useEffect, useId, useRef, useState } from 'react';
 import { uploadFileToOss, type OssMediaType } from '../lib/upload';
 import { isWechatEnv, weixinSdk } from '../lib/weixin';
 
@@ -34,6 +34,13 @@ export default function OssUploadField({
     accept ?? (mediaType === 'VIDEO' ? 'video/*' : mediaType === 'FILE' ? 'image/*,.pdf' : 'image/*');
   const useWechatPicker = isWechatEnv() && mediaType !== 'VIDEO';
 
+  useEffect(() => {
+    if (!useWechatPicker) return;
+    void weixinSdk.init().catch(() => {
+      /* 点击上传时会再次初始化并提示 */
+    });
+  }, [useWechatPicker]);
+
   async function uploadSelectedFile(file: File) {
     if (file.size > DEFAULT_MAX_MB * 1024 * 1024) {
       setError(`文件不能超过 ${DEFAULT_MAX_MB}MB`);
@@ -66,11 +73,16 @@ export default function OssUploadField({
           await uploadSelectedFile(files[0]);
           return;
         }
+        setError('未能获取图片，请重试');
       } catch (e) {
         const msg = e instanceof Error ? e.message : '无法打开相册';
-        if (!/cancel/i.test(msg)) setError(msg);
-        return;
+        if (!/cancel/i.test(msg)) {
+          setError(/permission|auth|denied|授权|拒绝/i.test(msg)
+            ? '微信选图授权失败，请刷新页面后重试'
+            : msg);
+        }
       }
+      return;
     }
 
     inputRef.current?.click();
diff --git a/apps/h5-partner/src/pages/StoreCreatePage.tsx b/apps/h5-partner/src/pages/StoreCreatePage.tsx
index 5803c16..2603296 100644
--- a/apps/h5-partner/src/pages/StoreCreatePage.tsx
+++ b/apps/h5-partner/src/pages/StoreCreatePage.tsx
@@ -6,6 +6,7 @@ import OssUploadField from '../components/OssUploadField';
 import { request } from '../lib/api';
 import { resolveRegionBinding } from '../lib/china-region';
 import { fetchPartnerCities, type OpenCityOption } from '../lib/upload';
+import { isWechatEnv, weixinSdk } from '../lib/weixin';
 import {
   clearStoreDraft,
   defaultStoreForm,
@@ -41,6 +42,13 @@ export default function StoreCreatePage() {
     saveStoreDraft({ step, form });
   }, [step, form]);
 
+  useEffect(() => {
+    if (step !== 2 || !isWechatEnv()) return;
+    void weixinSdk.init().catch(() => {
+      /* OssUploadField 点击时会再次初始化 */
+    });
+  }, [step]);
+
   useEffect(() => {
     void fetchPartnerCities()
       .then((items) => {
diff --git a/packages/weixin-sdk/src/chooseImage.ts b/packages/weixin-sdk/src/chooseImage.ts
index e467939..013d663 100644
--- a/packages/weixin-sdk/src/chooseImage.ts
+++ b/packages/weixin-sdk/src/chooseImage.ts
@@ -51,12 +51,17 @@ export async function chooseWechatImages(
   const sourceType = options.sourceType ?? ['album', 'camera'];
 
   if (platform === 'wechat-h5') {
+    const pageUrl = typeof window !== 'undefined' ? window.location.href.split('#')[0] : '';
     await ensureJssdkReady({
       apiBase: config.apiBase ?? '/api/v1',
       clientApp: config.clientApp,
       getAccessToken: config.getAccessToken,
+      url: pageUrl,
+      jsApiList: ['chooseImage', 'getLocalImgData'],
     });
-    if (!window.wx?.chooseImage) return null;
+    if (!window.wx?.chooseImage) {
+      throw new Error('微信选图接口不可用，请刷新页面后重试');
+    }
 
     const localIds = await new Promise<string[]>((resolve, reject) => {
       window.wx!.chooseImage!({
diff --git a/packages/weixin-sdk/src/jssdk.ts b/packages/weixin-sdk/src/jssdk.ts
index 1f239fc..7b56c36 100644
--- a/packages/weixin-sdk/src/jssdk.ts
+++ b/packages/weixin-sdk/src/jssdk.ts
@@ -5,6 +5,11 @@ const JSSDK_URL = 'https://res.wx.qq.com/open/js/jweixin-1.6.0.js';
 
 let scriptPromise: Promise<void> | null = null;
 let configured = false;
+let configuredUrl: string | null = null;
+
+function currentPageUrl() {
+  return typeof window !== 'undefined' ? window.location.href.split('#')[0] : '';
+}
 
 function loadScript(): Promise<void> {
   if (typeof document === 'undefined') return Promise.reject(new Error('非浏览器环境'));
@@ -48,13 +53,16 @@ export async function initWechatJssdk(options: {
   jsApiList?: string[];
 }): Promise<void> {
   const { apiBase, clientApp, getAccessToken } = options;
-  const pageUrl = options.url ?? (typeof window !== 'undefined' ? window.location.href.split('#')[0] : '');
+  const pageUrl = options.url ?? currentPageUrl();
   await loadScript();
   if (!window.wx) throw new Error('微信 JSSDK 不可用');
 
   const config = await fetchJssdkConfig(apiBase, clientApp, pageUrl, getAccessToken?.());
   const jsApiList = options.jsApiList ?? [...DEFAULT_JS_API_LIST];
 
+  configured = false;
+  configuredUrl = null;
+
   await new Promise<void>((resolve, reject) => {
     window.wx!.config({
       ...config,
@@ -63,6 +71,7 @@ export async function initWechatJssdk(options: {
     });
     window.wx!.ready(() => {
       configured = true;
+      configuredUrl = pageUrl;
       resolve();
     });
     window.wx!.error((err) => reject(new Error(err.errMsg || 'wx.config 失败')));
@@ -70,15 +79,18 @@ export async function initWechatJssdk(options: {
 }
 
 export function isJssdkReady(): boolean {
-  return configured && !!window.wx;
+  return configured && !!window.wx && configuredUrl === currentPageUrl();
 }
 
 export async function ensureJssdkReady(options: {
   apiBase: string;
   clientApp: string;
+  url?: string;
   getAccessToken?: () => string | null;
+  jsApiList?: string[];
 }): Promise<void> {
+  const pageUrl = options.url ?? currentPageUrl();
   if (!isJssdkReady()) {
-    await initWechatJssdk(options);
+    await initWechatJssdk({ ...options, url: pageUrl });
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ac2c434..b89e0dc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -246,6 +246,9 @@ importers:
       class-validator:
         specifier: ^0.14.1
         version: 0.14.4
+      express:
+        specifier: ^4.21.0
+        version: 4.22.1
       ioredis:
         specifier: ^5.4.1
         version: 5.11.1
diff --git a/server/dukang-api/src/modules/common/wechat.controller.ts b/server/dukang-api/src/modules/common/wechat.controller.ts
index 6691df6..2a3d99c 100644
--- a/server/dukang-api/src/modules/common/wechat.controller.ts
+++ b/server/dukang-api/src/modules/common/wechat.controller.ts
@@ -21,7 +21,8 @@ export class WechatController {
   @Get('jssdk-config')
   async jssdkConfig(@Query('url') url: string) {
     if (!url) throw new BadRequestException('url 参数必填');
-    return this.wechat.createJssdkConfig(url);
+    const pageUrl = decodeURIComponent(url).split('#')[0];
+    return this.wechat.createJssdkConfig(pageUrl);
   }
 
   @Get('oauth-url')