diff --git a/tools/live.sh b/tools/live.sh
index b35c495a..842a72a2 100755
--- a/tools/live.sh
+++ b/tools/live.sh
@@ -95,7 +95,19 @@ get_remote_pairs() {
   # 重试循环
   while [ $attempt -le $max_retries ]; do
     echo "正在从远程URL获取币对列表 (尝试 $attempt/$max_retries): $remote_url" >&2
-    local pairs_json=$(curl -s "$remote_url")
+    
+    # 方式1: 使用curl
+    local pairs_json=$(curl -s --connect-timeout 3 --max-time 5 "$remote_url" 2>/dev/null)
+    
+    # 如果curl失败，使用备用方案
+    if [ $? -ne 0 ] || [ -z "$pairs_json" ]; then
+        echo "⚠️ 远程API获取失败，使用默认币对列表" >&2
+        # 使用硬编码的默认币对列表
+        pairs_json='[{"instId":"BTC/USDT","instIdRaw":"BTC-USDT","rank":1},{"instId":"ETH/USDT","instIdRaw":"ETH-USDT","rank":2},{"instId":"SOL/USDT","instIdRaw":"SOL-USDT","rank":3},{"instId":"XRP/USDT","instIdRaw":"XRP-USDT","rank":4},{"instId":"SUI/USDT","instIdRaw":"SUI-USDT","rank":5}]'
+    fi
+    
+    echo "curl返回结果: $?" >&2
+    echo "curl返回内容长度: ${#pairs_json}" >&2
 
     if [ $? -eq 0 ] && [ -n "$pairs_json" ]; then
       # curl 成功且有返回内容，尝试解析