diff --git a/api/audit.go b/api/audit.go
index 78f8ea8..3a84bc2 100644
--- a/api/audit.go
+++ b/api/audit.go
@@ -19,6 +19,8 @@ var auditLogger = log.GetLogger("audit")
 
 const MAX_DETAIL_LEN = 50000
 
+var MAX_SQL_LEN = 1000 * 1000
+
 type Audit struct {
 	username  string
 	password  string
@@ -103,18 +105,14 @@ func (a *Audit) handleBatchFunc() gin.HandlerFunc {
 			return
 		}
 
-		sql := parseBatchSql(auditArray.Records)
+		err = handleBatchRecord(auditArray.Records, a.conn)
+
 		if err != nil {
-			auditLogger.WithError(err).Errorf("## parse sql error")
-			c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("timestamp format error. %s", err)})
+			auditLogger.WithError(err).Errorf("## process records error")
+			c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("process records error. %s", err)})
 			return
 		}
 
-		if _, err = a.conn.Exec(context.Background(), sql); err != nil {
-			auditLogger.WithError(err).Error("##save audit data error", "sql", sql)
-			c.JSON(http.StatusInternalServerError, gin.H{"error": fmt.Sprintf("save audit data error: %s", err)})
-			return
-		}
 		c.JSON(http.StatusOK, gin.H{})
 	}
 }
@@ -179,21 +177,40 @@ func parseSql(audit AuditInfo) string {
 		getTableName(audit), audit.ClusterID, audit.Timestamp, audit.User, audit.Operation, audit.Db, audit.Resource, audit.ClientAdd, details)
 }
 
-func parseBatchSql(auditArray []AuditInfo) string {
+func handleBatchRecord(auditArray []AuditInfo, conn *db.Connector) error {
+
 	var builder strings.Builder
 	var head = fmt.Sprintf(
 		"insert into %s using operations tags ('%s') values",
 		getTableName(auditArray[0]), auditArray[0].ClusterID)
-	builder.WriteString(head)
 
+	builder.WriteString(head)
 	for _, audit := range auditArray {
+
 		details := handleDetails(audit.Details)
-		varluesStr := fmt.Sprintf(
+		valuesStr := fmt.Sprintf(
 			"(%s, '%s', '%s', '%s', '%s', '%s', '%s') ",
 			audit.Timestamp, audit.User, audit.Operation, audit.Db, audit.Resource, audit.ClientAdd, details)
-		builder.WriteString(varluesStr)
+
+		if (builder.Len() + len(valuesStr)) > MAX_SQL_LEN {
+			sql := builder.String()
+			if _, err := conn.Exec(context.Background(), sql); err != nil {
+				return err
+			}
+			builder.Reset()
+			builder.WriteString(head)
+		}
+		builder.WriteString(valuesStr)
 	}
-	return builder.String()
+
+	if builder.Len() > len(head) {
+		sql := builder.String()
+		if _, err := conn.Exec(context.Background(), sql); err != nil {
+			return err
+		}
+	}
+
+	return nil
 }
 
 func getTableName(audit AuditInfo) string {
diff --git a/api/audit_test.go b/api/audit_test.go
index 35d95af..72f75ab 100644
--- a/api/audit_test.go
+++ b/api/audit_test.go
@@ -88,9 +88,9 @@ func TestAudit(t *testing.T) {
 		})
 	}
 
+	MAX_SQL_LEN = 300
 	// test audit batch
-	input := `{"records": [{"timestamp": "1699839716440000000", "cluster_id": "cluster_id_batch", "user": "user", "operation": "operation", "db":"dbnamea", "resource":"resourcenamea", "client_add": "localhost:30000", "details": "detail"},` +
-		`{"timestamp": "1699839716441000000", "cluster_id": "cluster_id_batch", "user": "user", "operation": "operation", "db":"dbnamea", "resource":"resourcenamea", "client_add": "localhost:30000", "details": "detail"}]}`
+	input := `{"records":[{"timestamp":"1702548856940013848","cluster_id":"8468922059162439502","user":"root","operation":"createTable","client_add":"173.50.0.7:45166","db":"test","resource":"","details":"d630302"},{"timestamp":"1702548856939746458","cluster_id":"8468922059162439502","user":"root","operation":"createTable","client_add":"173.50.0.7:45230","db":"test","resource":"","details":"d130277"},{"timestamp":"1702548856939586665","cluster_id":"8468922059162439502","user":"root","operation":"createTable","client_add":"173.50.0.7:50288","db":"test","resource":"","details":"d5268"},{"timestamp":"1702548856939528940","cluster_id":"8468922059162439502","user":"root","operation":"createTable","client_add":"173.50.0.7:50222","db":"test","resource":"","details":"d255282"},{"timestamp":"1702548856939336371","cluster_id":"8468922059162439502","user":"root","operation":"createTable","client_add":"173.50.0.7:45126","db":"test","resource":"","details":"d755297"},{"timestamp":"1702548856939075131","cluster_id":"8468922059162439502","user":"root","operation":"createTable","client_add":"173.50.0.7:45122","db":"test","resource":"","details":"d380325"},{"timestamp":"1702548856938640661","cluster_id":"8468922059162439502","user":"root","operation":"createTable","client_add":"173.50.0.7:45152","db":"test","resource":"","details":"d255281"},{"timestamp":"1702548856938505795","cluster_id":"8468922059162439502","user":"root","operation":"createTable","client_add":"173.50.0.7:45122","db":"test","resource":"","details":"d130276"},{"timestamp":"1702548856938363319","cluster_id":"8468922059162439502","user":"root","operation":"createTable","client_add":"173.50.0.7:45178","db":"test","resource":"","details":"d755296"},{"timestamp":"1702548856938201478","cluster_id":"8468922059162439502","user":"root","operation":"createTable","client_add":"173.50.0.7:45166","db":"test","resource":"","details":"d380324"},{"timestamp":"1702548856937740618","cluster_id":"8468922059162439502","user":"root","operation":"createTable","client_add":"173.50.0.7:50288","db":"test","resource":"","details":"d5266"}]}`
 
 	t.Run("testbatch", func(t *testing.T) {
 
@@ -109,8 +109,8 @@ func TestAudit(t *testing.T) {
 		router.ServeHTTP(w, req)
 		assert.Equal(t, 200, w.Code)
 
-		data, err := conn.Query(context.Background(), "select ts, details from audit.operations where cluster_id='cluster_id_batch'")
+		data, err := conn.Query(context.Background(), "select ts, details from audit.operations where cluster_id='8468922059162439502'")
 		assert.NoError(t, err)
-		assert.Equal(t, 2, len(data.Data))
+		assert.Equal(t, 11, len(data.Data))
 	})
 }