diff --git a/src/main/resources/static/js/basic/lineManagement/child/setSpanTowerLonAndLat.js b/src/main/resources/static/js/basic/lineManagement/child/setSpanTowerLonAndLat.js
index 5a80b36..fb58826 100644
--- a/src/main/resources/static/js/basic/lineManagement/child/setSpanTowerLonAndLat.js
+++ b/src/main/resources/static/js/basic/lineManagement/child/setSpanTowerLonAndLat.js
@@ -370,6 +370,11 @@ function saveData() {
     if (markers && markers.length < 2) {
         return layer.msg("至少创建两个点位", { icon: 7 });
     }
+
+    if (markers && markers.length > 4) {
+        return layer.msg("最多支持四个跨越杆塔", { icon: 7 });
+    }
+
     let points = [];
     $.each(markers, function (index, item) {
         points.push({
diff --git a/src/main/resources/static/pages/basic/lineManagement/child/setSpanTowerLonAndLat.html b/src/main/resources/static/pages/basic/lineManagement/child/setSpanTowerLonAndLat.html
index 6bb513b..22cef5e 100644
--- a/src/main/resources/static/pages/basic/lineManagement/child/setSpanTowerLonAndLat.html
+++ b/src/main/resources/static/pages/basic/lineManagement/child/setSpanTowerLonAndLat.html
@@ -39,7 +39,7 @@
 
         </div>
         <div class="btn-box layout">
-            <p style="color: red;font-size: 16px;font-weight: bold;">提示：第一个点表示首个杆塔，至少需要两个杆塔，最后一个点表示最后一个杆塔</p>
+            <p style="color: red;font-size: 16px;font-weight: bold;">提示：至少需要两个跨越杆塔，最多支持四个跨越杆塔</p>
             <div>
                 <button class="layui-btn layui-btn-norma save" id="viewPoint">预览标点连线</button>
                 <button class="layui-btn layui-btn-norma save" onclick="saveData()">保存</button>