diff --git a/server/internal/api/exports.go b/server/internal/api/exports.go
index 006a708..9142825 100644
--- a/server/internal/api/exports.go
+++ b/server/internal/api/exports.go
@@ -218,7 +218,7 @@ func (a *ExportsAPI) create(w http.ResponseWriter, r *http.Request) {
 		}
 		// 验证 plan_id_eq 为必选字段
 		if v, ok := p.Filters["plan_id_eq"]; !ok || v == nil || v == "" || v == 0 {
-			fail(w, r, http.StatusBadRequest, "plan_id_eq 为必选字段")
+			fail(w, r, http.StatusBadRequest, "请选择计划")
 			return
 		}
 	}
diff --git a/web/main.js b/web/main.js
index cd4ad2f..9ec9500 100644
--- a/web/main.js
+++ b/web/main.js
@@ -866,7 +866,9 @@ const app = createApp({
         }
       } catch (error) {
         // 使用模态框显示错误信息
-        ElementPlus.ElMessageBox.alert(error.message || '导出失败', '提示', {
+        // 优先使用 msg 字段（从后端 JSON 响应中提取），否则使用 message
+        const errorMsg = error.msg || error.message || '导出失败';
+        ElementPlus.ElMessageBox.alert(errorMsg, '提示', {
           type: 'error',
           confirmButtonText: '确定'
         });