fix response `content-type` is not set if access without access token

Kairlec

2023-05-15 ca103731c721aae3f5f622e58c679ed5c09fd9e9

 web_src/src/components/dialog/changePushKey.vue

@@ -65,7 +65,7 @@
    onSubmit: function () {
      this.$axios({
        method: 'post',
        url:"./api/user/changePushKey",
        url:"/api/user/changePushKey",
        params: {
          pushKey: this.newPushKey,
          userId: this.form.id,