diff --git a/camera-front/node/routers/file.js b/camera-front/node/routers/file.js
index f7bfdbe23..ffecc86f6 100644
--- a/camera-front/node/routers/file.js
+++ b/camera-front/node/routers/file.js
@@ -108,7 +108,7 @@ router.get('/getTraceFile', function(req, res, next) {
             });
         }
         let result = buffer.toString();
-        let resList = result.split('---');
+        let resList = result.split('------');
         let traceData = JSON.parse(_.head(resList));
         let cpuEventStrs = _.slice(resList, 1);
         let cpuEventsList = [];
diff --git a/collector/pkg/component/consumer/exporter/cameraexporter/filewriter.go b/collector/pkg/component/consumer/exporter/cameraexporter/filewriter.go
index bafd79de1..bd4ebfffb 100644
--- a/collector/pkg/component/consumer/exporter/cameraexporter/filewriter.go
+++ b/collector/pkg/component/consumer/exporter/cameraexporter/filewriter.go
@@ -4,15 +4,16 @@ import (
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
+	"os"
+	"path"
+	"path/filepath"
+	"strconv"
+
 	"github.com/Kindling-project/kindling/collector/pkg/component"
 	"github.com/Kindling-project/kindling/collector/pkg/filepathhelper"
 	"github.com/Kindling-project/kindling/collector/pkg/model"
 	"github.com/Kindling-project/kindling/collector/pkg/model/constlabels"
 	"github.com/Kindling-project/kindling/collector/pkg/model/constnames"
-	"os"
-	"path"
-	"path/filepath"
-	"strconv"
 )
 
 type fileWriter struct {
@@ -136,7 +137,7 @@ func getFilesName(path string) ([]string, error) {
 	return files, err
 }
 
-const dividingLine = "\n---\n"
+const dividingLine = "\n------\n"
 
 func (fw *fileWriter) writeCpuEvents(group *model.DataGroup) {
 	traceTimestamp := group.Labels.GetIntValue(constlabels.Timestamp)