fix: 修复删除图片接口，如果未传值，查询参数值携带undefined问题

@@ -11,7 +11,9 @@ export const upload = (file) => {
 };
 };
 
 
 export const deleteFilePath = (deleteFilePath?: string) => {
 export const deleteFilePath = (deleteFilePath?: string) => {
+  let deleteParams: string | null = null;
+  if (deleteFilePath) deleteParams = `?deleteFilePath=${deleteFilePath}`;
   return defHttp.delete({
   return defHttp.delete({
-    url: `${Api.BaseDeleteUrl}?deleteFilePath=${deleteFilePath}`,
+    url: `${Api.BaseDeleteUrl}${deleteParams}`,
   });
   });
 };
 };