diff --git a/ln_jq_app/assets/html/map.html b/ln_jq_app/assets/html/map.html
index b1f2921..3ef4926 100644
--- a/ln_jq_app/assets/html/map.html
+++ b/ln_jq_app/assets/html/map.html
@@ -145,7 +145,7 @@
 
     <div id="search-box">
         <div class="input-row">
-            <input id="startInput" placeholder="起点: 默认使用当前位置" />
+            <input id="startInput" placeholder="起点: 请输入当前地点" />
         </div>
         <div class="input-row">
             <input id="endInput" placeholder="终点: 请输入目的地" />
@@ -255,7 +255,7 @@
                         });
                         map.setCenter(position);
 
-                        
+
                     } else {
                         marker.moveTo(position, {
                             duration: 1000,
@@ -291,6 +291,11 @@
             var startKw = document.getElementById('startInput').value;
             var endKw = document.getElementById('endInput').value;
 
+            if (!startKw) {
+                alert("请输入起点");
+                return;
+            }
+
             if (!endKw) {
                 alert("请输入终点");
                 return;