diff --git a/reading-platform-frontend/src/views/school/DashboardView.vue b/reading-platform-frontend/src/views/school/DashboardView.vue
index efd9f31..e7f58fb 100644
--- a/reading-platform-frontend/src/views/school/DashboardView.vue
+++ b/reading-platform-frontend/src/views/school/DashboardView.vue
@@ -698,7 +698,10 @@ const handleExportLessons = async () => {
     await exportLessons();
     message.success({ content: '导出成功', key: 'export' });
   } catch (error) {
-    message.error({ content: '导出失败', key: 'export' });
+    message.error({
+      content: error instanceof Error ? error.message : '导出失败',
+      key: 'export'
+    });
   }
 };
 
@@ -708,7 +711,10 @@ const handleExportTeacherStats = async () => {
     await exportTeacherStats();
     message.success({ content: '导出成功', key: 'export' });
   } catch (error) {
-    message.error({ content: '导出失败', key: 'export' });
+    message.error({
+      content: error instanceof Error ? error.message : '导出失败',
+      key: 'export'
+    });
   }
 };
 
@@ -718,7 +724,10 @@ const handleExportStudentStats = async () => {
     await exportStudentStats();
     message.success({ content: '导出成功', key: 'export' });
   } catch (error) {
-    message.error({ content: '导出失败', key: 'export' });
+    message.error({
+      content: error instanceof Error ? error.message : '导出失败',
+      key: 'export'
+    });
   }
 };