diff --git a/utils/wxsdk.js b/utils/wxsdk.js
index b35b515..a758213 100644
--- a/utils/wxsdk.js
+++ b/utils/wxsdk.js
@@ -42,7 +42,16 @@ export async function initWxConfig() {
  * @returns {Promise<string>}  扫码结果字符串
  */
 export function wxScan() {
+	console.log('wx 对象:', wx)
+	console.log('window.wx:', window.wx)
+	console.log('window.jWeixin:', window.jWeixin)
 	return new Promise((resolve, reject) => {
+		if (!wx) {
+			const msg = 'wx 对象不存在，请在微信环境中使用'
+			console.error(msg)
+			reject(new Error(msg))
+			return
+		}
 		wx.scanQRCode({
 			needResult: 1,
 			scanType: ['qrCode', 'barCode'],
@@ -52,7 +61,7 @@ export function wxScan() {
 			},
 			fail(err) {
 				console.error('扫码失败:', err)
-				reject(err)
+				reject(new Error(err?.errMsg || JSON.stringify(err) || '扫码失败'))
 			}
 		})
 	})