diff --git a/cve-vulner-manager/controllers/file.go b/cve-vulner-manager/controllers/file.go
index 5fdf90b6b4b7c0709403b9af4d89550c2d0eec27..33ac63119cf3bcaf9d0a18dbe86f4f9c1362b5ce 100644
--- a/cve-vulner-manager/controllers/file.go
+++ b/cve-vulner-manager/controllers/file.go
@@ -654,7 +654,7 @@ func writeXml(path string, unaffectcvrf taskhandler.UnaffectCvrfSa) {
 	if outPutErr == nil {
 		headerBytes := []byte(xml.Header)
 		xmlOutPutData := append(headerBytes, xmlOutPut...)
-		_ = ioutil.WriteFile(path, xmlOutPutData, os.ModeAppend)
+		_ = ioutil.WriteFile(path, xmlOutPutData, os.ModePerm)
 	} else {
 		logs.Error(outPutErr)
 	}
diff --git a/cve-vulner-manager/task/cve.go b/cve-vulner-manager/task/cve.go
index 237203dc36ec1e7c076f5b37169a55e5ccaef09b..a455f3032b0a97461fa3afb7417fc14511e89b30 100644
--- a/cve-vulner-manager/task/cve.go
+++ b/cve-vulner-manager/task/cve.go
@@ -116,7 +116,7 @@ func ReleaseUnaffectedCve() error {
 	}
 
 	xmlOutPutData := append([]byte(xml.Header), xmlOutPut...)
-	_ = ioutil.WriteFile(cvrffileName, xmlOutPutData, os.ModeAppend)
+	_ = ioutil.WriteFile(cvrffileName, xmlOutPutData, os.ModePerm)
 
 	uploadCvrfDir := beego.AppConfig.String("obs::download_cvrf_dir")
 
diff --git a/cve-vulner-manager/taskhandler/cvrf.go b/cve-vulner-manager/taskhandler/cvrf.go
index fb12f4cd6a2c6626aa9833b6fbbdc90413d35658..9aca6aa4ddc49afb8234dcd5628789d35093d5ad 100644
--- a/cve-vulner-manager/taskhandler/cvrf.go
+++ b/cve-vulner-manager/taskhandler/cvrf.go
@@ -332,7 +332,7 @@ func WriteUnaffectCvrfXml(filePath string, unaffectCvrfsa *UnaffectCvrfSa) {
 	if outPutErr == nil {
 		headerBytes := []byte(xml.Header)
 		xmlOutPutData := append(headerBytes, xmlOutPut...)
-		ioutil.WriteFile(filePath, xmlOutPutData, os.ModeAppend)
+		ioutil.WriteFile(filePath, xmlOutPutData, os.ModePerm)
 	} else {
 		logs.Error(outPutErr)
 	}
@@ -374,7 +374,7 @@ func WriteCvrfXml(filePath string, cvrfsa *CvrfSa) {
 	if outPutErr == nil {
 		headerBytes := []byte(xml.Header)
 		xmlOutPutData := append(headerBytes, xmlOutPut...)
-		ioutil.WriteFile(filePath, xmlOutPutData, os.ModeAppend)
+		ioutil.WriteFile(filePath, xmlOutPutData, os.ModePerm)
 	} else {
 		logs.Error(outPutErr)
 	}
@@ -1472,6 +1472,6 @@ func (h ReplaceHelper) walkCallback(path string, f os.FileInfo, err error) error
 	}
 	content := string(buf)
 	newContent := strings.Replace(content, h.OldText, h.NewText, -1)
-	ioutil.WriteFile(h.NewPath, []byte(newContent), 0)
+	ioutil.WriteFile(h.NewPath, []byte(newContent), os.ModePerm)
 	return err
 }
diff --git a/cve-vulner-manager/taskhandler/xml.go b/cve-vulner-manager/taskhandler/xml.go
index d9599df2358fe3a07f122d5dd9bca9cfbffab722..dbe85da72b77662dc7db8dd28ea7fa9e60f6a989 100644
--- a/cve-vulner-manager/taskhandler/xml.go
+++ b/cve-vulner-manager/taskhandler/xml.go
@@ -354,7 +354,7 @@ func WriteXml(filePath, excelName, affectBranch string, cveXmlList []CveXml, dpd
 		headerBytes := []byte(xml.Header)
 		xmlOutPutData := append(headerBytes, xmlOutPut...)
 		os.Remove(filePath)
-		ioutil.WriteFile(filePath, xmlOutPutData, os.ModeAppend)
+		ioutil.WriteFile(filePath, xmlOutPutData, os.ModePerm)
 	} else {
 		logs.Error(outPutErr)
 	}