diff --git a/docs/CONTRIBUTING.md b/docs/CONTRIBUTING.md
index d8731df..55499ff 100644
--- a/docs/CONTRIBUTING.md
+++ b/docs/CONTRIBUTING.md
@@ -16,7 +16,7 @@ Run backend: `rclone rcd --rc-user="<your username>" --rc-pass="<your password>"
 
 Run frontend: `ng serve`
 
-Api calling will be proxied to backed [config](./src/proxy.conf.mjs)
+Api calling will be proxied to backed [config](../src/proxy.conf.mjs)
 
 ## Translation
 
diff --git a/src/app/features/functions/backend/new-backend/new-backend.component.ts b/src/app/features/functions/backend/new-backend/new-backend.component.ts
index e30036f..1dfe372 100644
--- a/src/app/features/functions/backend/new-backend/new-backend.component.ts
+++ b/src/app/features/functions/backend/new-backend/new-backend.component.ts
@@ -93,17 +93,24 @@ export class NewBackendComponent implements OnInit {
     }
 
     // warn user
+    const enum action {
+      back,
+      continue,
+    }
     this.dialog
       .open(SimpleDialogComponent, {
         data: {
           title: $localize`Warning`,
           message: $localize`This provider requires authentication. Because you are using a remote backend, automatic authentication (OAuth) is not possible for you. You may need to authorize on local rclone instance and copy the token to the backend.`,
-          actions: ['Go back', 'Continue Anyway'],
+          actions: [
+            { label: $localize`Go back`, value: action.back },
+            { label: $localize`Continue Anyway`, value: action.continue },
+          ],
         },
       })
       .afterClosed()
       .subscribe((result) => {
-        if (result !== 'Continue Anyway') {
+        if (result !== action.continue) {
           this.providerSelected = undefined;
           this.stepperSelectedIndex = 0;
         }
diff --git a/src/app/features/functions/mount/mount.component.ts b/src/app/features/functions/mount/mount.component.ts
index 6131cb9..d0bf8be 100644
--- a/src/app/features/functions/mount/mount.component.ts
+++ b/src/app/features/functions/mount/mount.component.ts
@@ -50,6 +50,8 @@ export class MountComponent implements OnInit {
         noModTime?: boolean;
         vfsCacheMode?: string;
         vfsCacheMaxAge?: string;
+        customMountOpt?: string;
+        customVfsOpt?: string;
       }
     > = this.dialog.open(NewMountDialogComponent, {
       data: {
@@ -83,8 +85,8 @@ export class MountComponent implements OnInit {
         return;
       }
     }
-    const mountOpt: { [key: string]: string | boolean | number } = {};
-    const vfsOpt: { [key: string]: string | boolean | number } = {};
+    let mountOpt: { [key: string]: string | boolean | number } = {};
+    let vfsOpt: { [key: string]: string | boolean | number } = {};
     if (dialogResult.readonly !== undefined) {
       mountOpt['readonly'] = dialogResult.readonly;
     }
@@ -106,6 +108,12 @@ export class MountComponent implements OnInit {
     if (dialogResult.vfsCacheMaxAge !== undefined) {
       vfsOpt['vfsCacheMaxAge'] = dialogResult.vfsCacheMaxAge;
     }
+    if (dialogResult.customMountOpt !== undefined) {
+      mountOpt = { ...mountOpt, ...JSON.parse(dialogResult.customMountOpt) };
+    }
+    if (dialogResult.customVfsOpt !== undefined) {
+      vfsOpt = { ...vfsOpt, ...JSON.parse(dialogResult.customVfsOpt) };
+    }
 
     const id = await this.mountService.createSetting({
       Fs: dialogResult.Fs,
diff --git a/src/app/features/functions/mount/mount.module.ts b/src/app/features/functions/mount/mount.module.ts
index 07504c5..21eeb47 100644
--- a/src/app/features/functions/mount/mount.module.ts
+++ b/src/app/features/functions/mount/mount.module.ts
@@ -15,6 +15,7 @@ import { MatMenuModule } from '@angular/material/menu';
 import { MatSelectModule } from '@angular/material/select';
 import { MatSlideToggleModule } from '@angular/material/slide-toggle';
 import { MatSnackBarModule } from '@angular/material/snack-bar';
+import { MatTooltipModule } from '@angular/material/tooltip';
 
 import { MountRoutingModule } from './mount-routing.module';
 import { MountComponent } from './mount.component';
@@ -26,6 +27,7 @@ import { NewMountDialogComponent } from './new-mount-dialog/new-mount-dialog.com
     CommonModule,
     ReactiveFormsModule,
     MountRoutingModule,
+    MatTooltipModule,
     MatListModule,
     MatButtonModule,
     MatIconModule,
diff --git a/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.html b/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.html
index db49ccd..cfa25e0 100644
--- a/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.html
+++ b/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.html
@@ -8,16 +8,16 @@ <h3 mat-dialog-title i18n>Create MountPoint</h3>
       </mat-option>
     </mat-select>
   </mat-form-field>
-  <mat-checkbox *ngIf="hasCron" formControlName="autoMount" i18n>
+  <mat-slide-toggle *ngIf="hasCron" formControlName="autoMount" i18n>
     Auto Mount on Startup
-  </mat-checkbox>
-  <mat-checkbox
+  </mat-slide-toggle>
+  <mat-slide-toggle
     *ngIf="data.osType === 'windows'"
     formControlName="AutoMountPoint"
     i18n
   >
     Automatic MountPoint
-  </mat-checkbox>
+  </mat-slide-toggle>
   <mat-form-field *ngIf="mountForm.value.AutoMountPoint === false">
     <mat-label i18n>MountPoint</mat-label>
     <input matInput formControlName="MountPoint" />
@@ -35,16 +35,16 @@ <h3 mat-dialog-title i18n>Create MountPoint</h3>
     </button>
   </div>
   <ng-container *ngIf="showAdvancedOptions">
-    <mat-checkbox formControlName="readonly" i18n>
+    <mat-slide-toggle formControlName="readonly" i18n>
       Mount as Readonly Drive
-    </mat-checkbox>
-    <mat-checkbox
+    </mat-slide-toggle>
+    <mat-slide-toggle
       *ngIf="data.osType === 'windows'"
       formControlName="windowsNetworkMode"
       i18n
     >
       Mount as Windows Network Drive
-    </mat-checkbox>
+    </mat-slide-toggle>
     <mat-form-field>
       <mat-label i18n>Cache Mode</mat-label>
       <mat-select formControlName="vfsCacheMode">
@@ -58,6 +58,10 @@ <h3 mat-dialog-title i18n>Create MountPoint</h3>
         <mat-option value="full" i18n> Full </mat-option>
       </mat-select>
     </mat-form-field>
+    <mat-form-field>
+      <mat-label i18n>Cache Max Age</mat-label>
+      <input matInput formControlName="vfsCacheMaxAge" />
+    </mat-form-field>
     <mat-form-field *ngIf="data.osType !== 'windows'">
       <mat-label i18n>File Permissions</mat-label>
       <input matInput formControlName="filePerms" />
@@ -66,9 +70,35 @@ <h3 mat-dialog-title i18n>Create MountPoint</h3>
       <mat-label i18n>Directory Permissions</mat-label>
       <input matInput formControlName="dirPerms" />
     </mat-form-field>
-    <mat-checkbox formControlName="noModTime" i18n>
+    <mat-slide-toggle formControlName="noModTime" i18n>
       Skip modification time (can speed things up)
-    </mat-checkbox>
+    </mat-slide-toggle>
+    <mat-form-field>
+      <mat-label i18n>Custom Mount Option (Json)</mat-label>
+      <textarea matInput formControlName="customMountOpt"></textarea>
+      <button
+        mat-icon-button
+        i18n-matTooltip
+        matTooltip="Help"
+        matSuffix
+        (click)="getMountOptHelp()"
+      >
+        <mat-icon fontIcon="help"></mat-icon>
+      </button>
+    </mat-form-field>
+    <mat-form-field>
+      <mat-label i18n>Custom Vfs Option (Json)</mat-label>
+      <textarea matInput formControlName="customVfsOpt"></textarea>
+      <button
+        mat-icon-button
+        i18n-matTooltip
+        matTooltip="Help"
+        matSuffix
+        (click)="getVfsOptHelp()"
+      >
+        <mat-icon fontIcon="help"></mat-icon>
+      </button>
+    </mat-form-field>
   </ng-container>
 </form>
 <div mat-dialog-actions>
diff --git a/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.scss b/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.scss
index a1ae13f..ace46ae 100644
--- a/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.scss
+++ b/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.scss
@@ -7,3 +7,7 @@
   display: flex;
   justify-content: center;
 }
+
+mat-slide-toggle {
+  margin: 1em;
+}
diff --git a/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.ts b/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.ts
index 0a9e391..6c5dbac 100644
--- a/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.ts
+++ b/src/app/features/functions/mount/new-mount-dialog/new-mount-dialog.component.ts
@@ -1,7 +1,10 @@
 import { Component, Inject } from '@angular/core';
 import { FormBuilder, Validators } from '@angular/forms';
 
-import { MAT_DIALOG_DATA } from '@angular/material/dialog';
+import { MAT_DIALOG_DATA, MatDialog } from '@angular/material/dialog';
+
+import { jsonStringValidator } from 'src/app/shared/json-string-validator.directive';
+import { SimpleDialogComponent } from 'src/app/shared/simple-dialog/simple-dialog.component';
 import { environment } from 'src/environments/environment';
 
 @Component({
@@ -32,11 +35,14 @@ export class NewMountDialogComponent {
       '1h',
       [Validators.required, Validators.pattern(/^\d+[smhd]$/)],
     ],
+    customMountOpt: ['{\n}', jsonStringValidator()],
+    customVfsOpt: ['{\n}', jsonStringValidator()],
   });
   showAdvancedOptions = false;
   hasCron = environment.electron;
 
   constructor(
+    private dialog: MatDialog,
     private fb: FormBuilder,
     @Inject(MAT_DIALOG_DATA)
     public data: {
@@ -51,4 +57,23 @@ export class NewMountDialogComponent {
       this.mountForm.controls.MountPoint.setValue('/mnt/rclone');
     }
   }
+
+  getMountOptHelp() {
+    this.dialog.open(SimpleDialogComponent, {
+      data: {
+        title: $localize`Information`,
+        message: $localize`This is options for advanced user only!\nPlease input options in JSON format, keys are in PascalCase.\nAvailable options: please refer to https://github.com/rclone/rclone/blob/master/cmd/mountlib/mount.go\nfind "type Options struct" part`,
+        actions: [{ label: $localize`Close`, value: 0 }],
+      },
+    });
+  }
+  getVfsOptHelp() {
+    this.dialog.open(SimpleDialogComponent, {
+      data: {
+        title: $localize`Information`,
+        message: $localize`This is options for advanced user only!\nPlease input options in JSON format, keys are in PascalCase.\nAvailable options: please refer to https://github.com/rclone/rclone/blob/master/vfs/vfscommon/options.go\nfind "type Options struct" part`,
+        actions: [{ label: $localize`Close`, value: 0 }],
+      },
+    });
+  }
 }
diff --git a/src/app/shared/json-string-validator.directive.ts b/src/app/shared/json-string-validator.directive.ts
new file mode 100644
index 0000000..903b9a6
--- /dev/null
+++ b/src/app/shared/json-string-validator.directive.ts
@@ -0,0 +1,12 @@
+import { AbstractControl, ValidationErrors, ValidatorFn } from '@angular/forms';
+
+export function jsonStringValidator(): ValidatorFn {
+  return (control: AbstractControl): ValidationErrors | null => {
+    try {
+      JSON.parse(control.value);
+      return null;
+    } catch {
+      return { invalidJsonString: true };
+    }
+  };
+}
diff --git a/src/app/shared/simple-dialog/simple-dialog.component.html b/src/app/shared/simple-dialog/simple-dialog.component.html
index 0ee0b45..fed1426 100644
--- a/src/app/shared/simple-dialog/simple-dialog.component.html
+++ b/src/app/shared/simple-dialog/simple-dialog.component.html
@@ -1,11 +1,11 @@
 <h3 mat-dialog-title>{{ data.title }}</h3>
-<div mat-dialog-content>{{ data.message }}</div>
+<div mat-dialog-content class="message">{{ data.message }}</div>
 <div mat-dialog-actions>
   <button
     *ngFor="let action of data.actions"
     mat-button
-    [mat-dialog-close]="action"
+    [mat-dialog-close]="action.value"
   >
-    {{ action }}
+    {{ action.label }}
   </button>
 </div>
diff --git a/src/app/shared/simple-dialog/simple-dialog.component.scss b/src/app/shared/simple-dialog/simple-dialog.component.scss
index e69de29..5c908c7 100644
--- a/src/app/shared/simple-dialog/simple-dialog.component.scss
+++ b/src/app/shared/simple-dialog/simple-dialog.component.scss
@@ -0,0 +1,3 @@
+.message {
+  white-space: pre-wrap;
+}
diff --git a/src/app/shared/simple-dialog/simple-dialog.component.ts b/src/app/shared/simple-dialog/simple-dialog.component.ts
index 4e2ae07..77e8710 100644
--- a/src/app/shared/simple-dialog/simple-dialog.component.ts
+++ b/src/app/shared/simple-dialog/simple-dialog.component.ts
@@ -10,13 +10,16 @@ import { MatButtonModule } from '@angular/material/button';
   templateUrl: './simple-dialog.component.html',
   styleUrls: ['./simple-dialog.component.scss'],
 })
-export class SimpleDialogComponent {
+export class SimpleDialogComponent<T> {
   constructor(
     @Inject(MAT_DIALOG_DATA)
     public data: {
       title: string;
       message: string;
-      actions: string[];
+      actions: {
+        value: T;
+        label: string;
+      }[];
     },
   ) {}
 }