diff --git a/manifest.json b/manifest.json
index 1895a4c..3029751 100644
--- a/manifest.json
+++ b/manifest.json
@@ -17,7 +17,9 @@
             "delay" : 0
         },
         /* 模块配置 */
-        "modules" : {},
+        "modules" : {
+            "Barcode" : {}
+        },
         /* 应用发布信息 */
         "distribute" : {
             /* android打包配置 */
diff --git a/pages/login/login.vue b/pages/login/login.vue
index d498ec4..89e7cbe 100644
--- a/pages/login/login.vue
+++ b/pages/login/login.vue
@@ -127,29 +127,29 @@
 
 	const handleScanLogin = () => {
 		// #ifdef H5
-		if (typeof wx === 'undefined' || !wx.scanQRCode) {
-			uni.showToast({ title: '请在微信中打开', icon: 'none' });
-			return;
-		}
-		wx.scanQRCode({
-			needResult: 1,
-			scanType: ['qrCode', 'barCode'],
-			success: (res) => {
-				const result = res.resultStr;
-				if (result && result.includes('device_id')) {
-					const match = result.match(/device_id[=]([^&]*)/);
-					if (match && match[1]) {
-						identifier.value = match[1];
-						handleLogin();
+		if (typeof wx !== 'undefined' && wx.scanQRCode) {
+			wx.scanQRCode({
+				needResult: 1,
+				scanType: ['qrCode', 'barCode'],
+				success: (res) => {
+					const result = res.resultStr;
+					if (result && result.includes('device_id')) {
+						const match = result.match(/device_id[=]([^&]*)/);
+						if (match && match[1]) {
+							identifier.value = match[1];
+							handleLogin();
+						}
+					} else {
+						uni.showToast({ title: '无效的二维码', icon: 'none' });
 					}
-				} else {
-					uni.showToast({ title: '无效的二维码', icon: 'none' });
+				},
+				fail: () => {
+					uni.showToast({ title: '扫码失败，请重试', icon: 'none' });
 				}
-			},
-			fail: () => {
-				uni.showToast({ title: '扫码失败', icon: 'none' });
-			}
-		});
+			});
+		} else {
+			uni.showToast({ title: '扫一扫功能暂不可用', icon: 'none' });
+		}
 		// #endif
 		// #ifndef H5
 		uni.showToast({ title: '请在微信中打开', icon: 'none' });