diff --git a/docs/travel.md b/docs/travel.md
index 47ae09ac61..e74f9df314 100644
--- a/docs/travel.md
+++ b/docs/travel.md
@@ -12,7 +12,7 @@ pageClass: routes
 
 ### 售票信息
 
-<Route author="Fatpandac" example="/12306/2022-02-19/重庆/永川东" path="/12306/:date/:from/:to/:type?" :paramsDesc="['时间', '始发站', '终点站', '售票类型，成人和学生可选，默认为成人']"/>
+<Route author="Fatpandac" example="/12306/2022-02-19/重庆/永川东" path="/12306/:date/:from/:to/:type?" :paramsDesc="['时间，格式为（YYYY-MM-DD）', '始发站', '终点站', '售票类型，成人和学生可选，默认为成人']"/>
 
 ## All the Flight Deals
 
diff --git a/lib/v2/12306/index.js b/lib/v2/12306/index.js
index 84e0f53b34..8f9d14c75a 100644
--- a/lib/v2/12306/index.js
+++ b/lib/v2/12306/index.js
@@ -61,11 +61,11 @@ module.exports = async (ctx) => {
             Cookie: await getJSESSIONID(linkUrl),
         },
     });
-    const data = response.data.data.result;
-    const map = response.data.data.map;
-    if (data.length === 0) {
+    if (response.data.data === undefined || response.data.data.length === 0) {
         throw '没有找到相关车次，请检查参数是否正确';
     }
+    const data = response.data.data.result;
+    const map = response.data.data.map;
 
     const items = data.map((item) => {
         const itemData = item.split('|');
@@ -96,7 +96,7 @@ module.exports = async (ctx) => {
                 trainInfo,
             }),
             link: linkUrl,
-            guid: item,
+            guid: Object.values(trainInfo).join('|'),
         };
     });