diff --git a/app.py b/app.py
index fd062bdd..563357ad 100755
--- a/app.py
+++ b/app.py
@@ -3887,11 +3887,12 @@ def create_wechat_jsapi_order():
         order.payment_source = 'h5'
         order_no = order.order_no  # 使用自动生成的订单号
 
-        # 关联优惠码
-        if promo_code and price_result.get('promo_applied'):
+        # 关联优惠码（注意：price_result 返回的是 'promo_code' 字段，不是 'promo_applied'）
+        if promo_code and price_result.get('promo_code'):
             promo = PromoCode.query.filter_by(code=promo_code.upper()).first()
             if promo:
                 order.promo_code_id = promo.id
+                print(f"📦 JSAPI订单关联优惠码: {promo.code} (ID: {promo.id})")
 
         db.session.add(order)
         db.session.commit()
diff --git a/src/components/Auth/AuthFormContent.js b/src/components/Auth/AuthFormContent.js
index 4ace44f3..1bc06275 100644
--- a/src/components/Auth/AuthFormContent.js
+++ b/src/components/Auth/AuthFormContent.js
@@ -15,6 +15,7 @@ import WechatRegister from './WechatRegister';
 import { logger } from '../../utils/logger';
 import { getApiBase } from '../../utils/apiConfig';
 import { useAuthEvents } from '../../hooks/useAuthEvents';
+import { isWeChatBrowser } from '../MiniProgramLauncher/hooks/useWechatEnvironment';
 
 const { Link } = Typography;
 
@@ -189,8 +190,12 @@ export default function AuthFormContent() {
     const isMountedRef = useRef(true);
     const wechatRef = useRef(null);
 
+    // 检测是否在微信浏览器中
+    const isInWeChatBrowser = isWeChatBrowser();
+
     // Tab 状态: 'wechat' | 'phone' | 'password'
-    const [activeTab, setActiveTab] = useState('wechat');
+    // 如果在微信浏览器中，默认显示 phone tab（因为微信 tab 会显示 H5 登录按钮）
+    const [activeTab, setActiveTab] = useState(isInWeChatBrowser ? 'phone' : 'wechat');
 
     // 表单状态
     const [isLoading, setIsLoading] = useState(false);
@@ -216,8 +221,8 @@ export default function AuthFormContent() {
         if (tab !== 'wechat' && wechatRef.current) {
             wechatRef.current.stopPolling();
         }
-        // 切换到微信登录时，自动获取二维码
-        if (tab === 'wechat' && wechatRef.current) {
+        // 切换到微信登录时，自动获取二维码（仅在非微信浏览器中）
+        if (tab === 'wechat' && wechatRef.current && !isInWeChatBrowser) {
             wechatRef.current.fetchQRCode();
         }
         setActiveTab(tab);
@@ -446,9 +451,10 @@ export default function AuthFormContent() {
         authEvents.trackLoginPageViewed();
 
         // 组件挂载时，如果默认 Tab 是微信登录，自动获取二维码
+        // 仅在非微信浏览器中才需要获取二维码
         // 使用 setTimeout 确保 ref 已经绑定
         const timer = setTimeout(() => {
-            if (activeTab === 'wechat' && wechatRef.current) {
+            if (activeTab === 'wechat' && wechatRef.current && !isInWeChatBrowser) {
                 wechatRef.current.fetchQRCode();
             }
         }, 100);
@@ -532,31 +538,91 @@ export default function AuthFormContent() {
     );
 
     // 渲染微信登录区域
-    const renderWechatLogin = () => (
-        <div>
-            <WechatRegister ref={wechatRef} />
-            <div style={{ ...styles.privacyText, marginTop: '16px' }}>
-                扫码即表示同意{" "}
-                <Link
-                    href="/home/user-agreement"
-                    target="_blank"
-                    onClick={authEvents.trackUserAgreementClicked}
-                    style={styles.privacyLink}
-                >
-                    《用户协议》
-                </Link>
-                {" "}和{" "}
-                <Link
-                    href="/home/privacy-policy"
-                    target="_blank"
-                    onClick={authEvents.trackPrivacyPolicyClicked}
-                    style={styles.privacyLink}
-                >
-                    《隐私政策》
-                </Link>
+    const renderWechatLogin = () => {
+        // 在微信浏览器中，显示直接的微信H5登录按钮
+        if (isInWeChatBrowser) {
+            return (
+                <div>
+                    {/* 内容区小标题 */}
+                    <div style={styles.contentTitle}>
+                        <span style={styles.contentTitleText}>{config.wechat.title}</span>
+                    </div>
+                    <div style={styles.contentSubtitle}>{config.wechat.subtitle}</div>
+
+                    {/* 微信一键登录按钮 */}
+                    <div style={{ marginTop: '32px', marginBottom: '48px' }}>
+                        <Button
+                            type="primary"
+                            size="large"
+                            block
+                            icon={<WechatOutlined />}
+                            onClick={handleWechatH5Login}
+                            style={{
+                                height: '56px',
+                                fontSize: '18px',
+                                fontWeight: 'bold',
+                                borderRadius: '12px',
+                                background: THEME.wechat,
+                                border: 'none',
+                                color: '#fff',
+                                boxShadow: '0 4px 15px rgba(7, 193, 96, 0.3)',
+                            }}
+                        >
+                            微信一键登录
+                        </Button>
+                    </div>
+
+                    <div style={styles.privacyText}>
+                        点击登录即表示同意{" "}
+                        <Link
+                            href="/home/user-agreement"
+                            target="_blank"
+                            onClick={authEvents.trackUserAgreementClicked}
+                            style={styles.privacyLink}
+                        >
+                            《用户协议》
+                        </Link>
+                        {" "}和{" "}
+                        <Link
+                            href="/home/privacy-policy"
+                            target="_blank"
+                            onClick={authEvents.trackPrivacyPolicyClicked}
+                            style={styles.privacyLink}
+                        >
+                            《隐私政策》
+                        </Link>
+                    </div>
+                </div>
+            );
+        }
+
+        // 非微信浏览器，显示扫码登录二维码
+        return (
+            <div>
+                <WechatRegister ref={wechatRef} />
+                <div style={{ ...styles.privacyText, marginTop: '16px' }}>
+                    扫码即表示同意{" "}
+                    <Link
+                        href="/home/user-agreement"
+                        target="_blank"
+                        onClick={authEvents.trackUserAgreementClicked}
+                        style={styles.privacyLink}
+                    >
+                        《用户协议》
+                    </Link>
+                    {" "}和{" "}
+                    <Link
+                        href="/home/privacy-policy"
+                        target="_blank"
+                        onClick={authEvents.trackPrivacyPolicyClicked}
+                        style={styles.privacyLink}
+                    >
+                        《隐私政策》
+                    </Link>
+                </div>
             </div>
-        </div>
-    );
+        );
+    };
 
     // 渲染密码登录表单
     const renderPasswordForm = () => (
@@ -661,11 +727,12 @@ export default function AuthFormContent() {
         if (activeTab !== 'wechat') {
             otherMethods.push({
                 key: 'wechat',
-                label: '微信',
+                label: isInWeChatBrowser ? '微信一键' : '微信',
                 icon: <WechatOutlined />,
                 color: THEME.wechat,
                 hoverBg: 'rgba(7, 193, 96, 0.1)',
-                onClick: isMobile ? handleWechatH5Login : () => handleTabChange('wechat'),
+                // 微信浏览器内直接调用H5登录，否则切换到微信Tab
+                onClick: isInWeChatBrowser ? handleWechatH5Login : (isMobile ? handleWechatH5Login : () => handleTabChange('wechat')),
             });
         }
 
@@ -741,7 +808,7 @@ export default function AuthFormContent() {
     // 获取右上角提示文字
     const getCornerTooltip = () => {
         if (activeTab === 'wechat') return '切换到验证码登录';
-        return '切换到微信登录';
+        return isInWeChatBrowser ? '切换到微信一键登录' : '切换到微信登录';
     };
 
     // 渲染内容区域