修复钉钉配置保存问题：确保enabledFeatures正确保存到数据库，保存后重新加载配置

backend/src/main/java/com/designhub/controller/DingTalkController.java

@@ -55,13 +55,16 @@ public class DingTalkController {
         try {
             // 处理enabledFeatures字段
             Object enabledFeaturesObj = configMap.get("enabledFeatures");
-            String enabledFeaturesJson = null;
+            String enabledFeaturesJson = "{}"; // 默认为空JSON对象
             if (enabledFeaturesObj != null) {
                 if (enabledFeaturesObj instanceof String) {
                     enabledFeaturesJson = (String) enabledFeaturesObj;
-                } else {
+                } else if (enabledFeaturesObj instanceof Map && !((Map<?, ?>) enabledFeaturesObj).isEmpty()) {
                     // 转换为JSON字符串
                     enabledFeaturesJson = objectMapper.writeValueAsString(enabledFeaturesObj);
+                } else {
+                    // 如果是空对象或null，使用空JSON对象
+                    enabledFeaturesJson = "{}";
                 }
             }
             

frontend/src/views/Settings.vue

@@ -2335,6 +2335,8 @@ const handleSaveDingTalk = async () => {
     
     await saveDingTalkConfig(configToSave as any)
     message.success('钉钉配置保存成功')
+    // 重新加载配置以确保UI同步
+    await loadDingTalkConfig()
   } catch (error: any) {
     message.error(error.message || '保存失败')
   } finally {