diff --git a/kernel/api/setting.go b/kernel/api/setting.go
index b03a17efb..029b6e4b7 100644
--- a/kernel/api/setting.go
+++ b/kernel/api/setting.go
@@ -379,7 +379,6 @@ func setExport(c *gin.Context) {
 		}
 	}
 
-	export.PandocParams = util.ReplaceNewline(export.PandocParams, " ")
 	model.Conf.Export = export
 	model.Conf.Save()
 
diff --git a/kernel/model/export.go b/kernel/model/export.go
index 9843c5267..1f2c8659e 100644
--- a/kernel/model/export.go
+++ b/kernel/model/export.go
@@ -776,6 +776,7 @@ func ExportDocx(id, savePath string, removeAssets, merge bool) (fullPath string,
 	}
 
 	params := util.RemoveInvalid(Conf.Export.PandocParams)
+	params = util.ReplaceNewline(params, " ")
 	if "" != params {
 		customArgs, parseErr := shellquote.Split(params)
 		if nil != parseErr {