diff --git a/apps/bika.js b/apps/bika.js
index b0590bb..71d41b3 100644
--- a/apps/bika.js
+++ b/apps/bika.js
@@ -32,6 +32,10 @@ export class newBika extends plugin {
         {
           reg: `#?${Prefix}(详情|细节)(.*)`,
           fnc: 'comicDetail'
+        },
+        {
+          reg: `#?${Prefix}修改图片质量(.*)`,
+          fnc: 'imageQuality'
         }
       ]
 
@@ -77,6 +81,22 @@ export class newBika extends plugin {
     common.getRecallsendMsg(e, msg, { oneMsg: true })
   }
 
+  /** 图片质量 */
+  async imageQuality (e) {
+    let quality = e.msg.match(new RegExp(`#?${Prefix}修改图片质量(.*)`))[2]
+    let imageQualityType = {
+      低质量: 'low',
+      中等质量: 'medium',
+      高质量: 'high',
+      原图: 'original'
+    }
+    if (!imageQualityType[quality] && !Object.values(imageQualityType).includes(quality)) return e.reply(`错误参数，支持的参数为${Object.keys(imageQualityType).join('，')}`)
+    let type = imageQualityType[quality] ?? quality
+    await redis.set('yenai:bika:imageQuality', type)
+    Bika.imageQuality = type
+    e.reply(`✅ 已将bika图片质量修改为${quality}(${type})`)
+  }
+
   /** 权限判定 */
   handlePermission () {
     let { sesepro } = Config.getGroup(this.e.group_id)
diff --git a/model/Bika.js b/model/Bika.js
index 3e5e0be..a57ebf3 100644
--- a/model/Bika.js
+++ b/model/Bika.js
@@ -7,12 +7,17 @@ export default new (class {
   constructor () {
     this.domain = 'http://api.liaobiao.top/api/bika'
     this.imgproxy = 'https://proxy.liaobiao.top/'
-    this.imageQuality = 'original'
+    this.imageQuality = 'medium'
     this.hearder = {
       headers: {
         'x-image-quality': this.imageQuality
       }
     }
+    this.init()
+  }
+
+  async init () {
+    this.imageQuality = await redis.get('yenai:bika:imageQuality') ?? 'medium'
   }
 
   /**