fix(log-center): 修复 demo 数据源、ES 502、查询页关联

backend/controller/log_proxy.go

@@ -137,7 +137,9 @@ func (h *LogProxyHandler) QueryES(c *gin.Context) {
 	if searchBody == nil {
 		searchBody = map[string]interface{}{
 			"size": req.Size,
-			"sort": []map[string]interface{}{{"@timestamp": map[string]string{"order": "desc"}}},
+			"sort": []interface{}{
+				map[string]interface{}{"_score": map[string]string{"order": "desc"}},
+			},
 			"query": map[string]interface{}{
 				"bool": map[string]interface{}{
 					"must": []interface{}{