diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f8fd29..8bf76ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # vNext
 - Service SCALING 状态拆分为 SCALING-UP SCALING-DOWN
+- 日志搜索结果添加CollectedAtNano字段 
 
 # Release 1.2.0
 - 添加禁用/启用AP端口的API，并在查看/搜索AP的API返回的端口信息中返回端口的启用状态（启用/禁用）。
diff --git a/kirksdk/qcos_api.go b/kirksdk/qcos_api.go
index 994cdc2..1360f91 100644
--- a/kirksdk/qcos_api.go
+++ b/kirksdk/qcos_api.go
@@ -749,12 +749,13 @@ type LogsSearchResult struct {
 }
 
 type Hit struct {
-	Log         string    `json:"log"`
-	CollectedAt time.Time `json:"collectedAt"`
-	PodIP       string    `json:"podIp"`
-	ProcessName string    `json:"processName"`
-	GateID      string    `json:"gateId"`
-	Domain      string    `json:"domain"`
+	Log             string    `json:"log"`
+	CollectedAt     time.Time `json:"collectedAt"`
+	CollectedAtNano int64     `json:"collectedAtNano"`
+	PodIP           string    `json:"podIp"`
+	ProcessName     string    `json:"processName"`
+	GateID          string    `json:"gateId"`
+	Domain          string    `json:"domain"`
 }
 
 var (