diff --git a/admin/src/components/TencentMapPicker.vue b/admin/src/components/TencentMapPicker.vue
index 89894672..3a9654f8 100644
--- a/admin/src/components/TencentMapPicker.vue
+++ b/admin/src/components/TencentMapPicker.vue
@@ -344,15 +344,34 @@ const initMap = () => {
   }
 
   const TMap = (window as any).TMap
-  const center = new TMap.LatLng(20.029077, 110.366367)
+  let center
+
+  // 优先使用传入的坐标
+  if (props.modelValue.lat && props.modelValue.lng) {
+    center = new TMap.LatLng(props.modelValue.lat, props.modelValue.lng)
+  } else {
+    // 默认使用北京坐标
+    center = new TMap.LatLng(39.90403, 116.407526)
+  }
 
+  // 创建地图实例
   map = new TMap.Map('container', {
     center,
     zoom: 12,
   })
 
+  // 创建标记
   marker = createMarker(map)
 
+  // 初始化时设置标记位置
+  if (props.modelValue.lat && props.modelValue.lng) {
+    marker.updateGeometries({
+      id: 'center',
+      position: new TMap.LatLng(props.modelValue.lat, props.modelValue.lng),
+    })
+  }
+
+  // 地图点击事件
   map.on('click', (evt: any) => {
     map.setCenter(evt.latLng)
     marker.updateGeometries({
@@ -455,16 +474,23 @@ const handleError = (error: any) => {
 watch(
   () => props.modelValue,
   (newVal) => {
-    if (newVal.lat && newVal.lng && map) {
-      const latLng = new (window as any).TMap.LatLng(newVal.lat, newVal.lng)
-      map.setCenter(latLng)
-      marker?.updateGeometries({
-        id: 'center',
-        position: latLng,
-      })
+    if (newVal?.lat && newVal?.lng && map) {
+      try {
+        const latLng = new (window as any).TMap.LatLng(newVal.lat, newVal.lng)
+        map.setCenter(latLng)
+        marker?.updateGeometries({
+          id: 'center',
+          position: latLng,
+        })
+      } catch (error) {
+        console.warn('地图更新失败:', error)
+      }
     }
   },
-  { immediate: true }
+  {
+    deep: true,
+    immediate: true,
+  }
 )
 
 onBeforeUnmount(() => {