diff --git a/frontend/ruoyi-ui/src/views/business/school/components/SchoolDialog.vue b/frontend/ruoyi-ui/src/views/business/school/components/SchoolDialog.vue
index 16de0f3..a59c058 100644
--- a/frontend/ruoyi-ui/src/views/business/school/components/SchoolDialog.vue
+++ b/frontend/ruoyi-ui/src/views/business/school/components/SchoolDialog.vue
@@ -179,23 +179,24 @@ const open = (row, defaultRegionId = null) => {
 const getRegionIdPath = (regionId) => {
   if (!regionId) return []
   
-  const id = regionId.toString()
-  const path = []
-  
-  // 省级ID（1位）
-  if (id.length >= 1) {
-    path.push(parseInt(id.charAt(0)))
-  }
-  // 市级ID（2位）
-  if (id.length >= 2) {
-    path.push(parseInt(id.substring(0, 2)))
-  }
-  // 区级ID（3位）
-  if (id.length >= 3) {
-    path.push(parseInt(id))
+  // 递归遍历树查找目标节点，返回从根到目标的完整路径
+  const findPath = (nodes, targetId, path = []) => {
+    for (const node of nodes) {
+      const currentPath = [...path, node.regionId]
+      if (node.regionId === targetId) {
+        return currentPath
+      }
+      if (node.children && node.children.length > 0) {
+        const result = findPath(node.children, targetId, currentPath)
+        if (result.length > 0) {
+          return result
+        }
+      }
+    }
+    return []
   }
   
-  return path
+  return findPath(props.regionTree, regionId)
 }
 
 // 提交表单