diff --git a/components/DeviceStatusCard.vue b/components/DeviceStatusCard.vue
index 32408cb..0f3c83a 100644
--- a/components/DeviceStatusCard.vue
+++ b/components/DeviceStatusCard.vue
@@ -24,7 +24,7 @@
 		</view>
 		<view class="device-metrics flex-row-sb mt-md">
 			<view class="metric-item flex-col-center">
-				<view class="caption mb-xs">信号强度</view>
+				<view class="caption mb-xs">信号判断</view>
 				<view class="metric-value">{{ deviceInfo.signal_quality || '暂无数据' }}</view>
 			</view>
 			<view class="metric-item flex-col-center">
@@ -36,7 +36,7 @@
 				<view class="metric-value">{{ deviceInfo.connCnt }}/{{ deviceInfo.max_clients }}</view>
 			</view>
 		</view>
-		<view v-if="deviceInfo.signal_bad_reason" class="signal-reason">
+		<view v-if="shouldShowSignalReason(deviceInfo)" class="signal-reason">
 			<text class="signal-reason-label">怀疑原因：</text>
 			<text class="signal-reason-text">{{ deviceInfo.signal_bad_reason }}</text>
 		</view>
@@ -52,6 +52,10 @@
 	});
 
 	defineEmits(['authentication']);
+
+	const shouldShowSignalReason = (deviceInfo) =>
+		['信号较弱', '信号很差', '暂无数据'].includes(deviceInfo?.signal_quality) &&
+		!!deviceInfo?.signal_bad_reason;
 </script>
 
 <style scoped lang="scss">
@@ -86,8 +90,13 @@
 
 		.signal-reason {
 			margin-top: 16rpx;
+			display: flex;
+			justify-content: center;
+			align-items: center;
+			flex-wrap: wrap;
 			font-size: 24rpx;
 			line-height: 1.5;
+			text-align: center;
 			color: var(--text-secondary);
 		}
 
diff --git a/pages/index/index.vue b/pages/index/index.vue
index 85e7253..2ffff67 100644
--- a/pages/index/index.vue
+++ b/pages/index/index.vue
@@ -289,19 +289,6 @@
 		loading.value = false;
 	};
 
-	// 计算信号强度
-	const calculateSignalStrength = (rsrp, rsrq, rssi) => {
-		// 简单的信号强度计算逻辑
-		if (!rsrp && !rsrq && !rssi) return '-';
-
-		const rsrpNum = parseInt(rsrp);
-		if (isNaN(rsrpNum)) return '-';
-
-		if (rsrpNum >= -80) return '强';
-		if (rsrpNum >= -95) return '中';
-		return '弱';
-	};
-
 	// 处理套餐加载完成事件（从 TrafficCard 组件传递过来）
 	const handlePackageLoaded = (activePackage) => {
 		if (activePackage && activePackage.expires_at) {
diff --git a/pages/login/login.vue b/pages/login/login.vue
index ab85b6a..909f99b 100644
--- a/pages/login/login.vue
+++ b/pages/login/login.vue
@@ -196,9 +196,9 @@ const handleScanLogin = async () => {
 
 	const getPathDeviceId = () => {
 		const params = new URLSearchParams(window.location.search);
-		const deviceId = params.get('device_id');
+		const idf = params.get('identifier');
 		if (deviceId) {
-			identifier.value = deviceId;
+			identifier.value = idf;
 			handleLogin();
 		}
 	};