diff --git a/docs/en/install/README.md b/docs/en/install/README.md
index 268c11af5bd003..58b117500b4a75 100644
--- a/docs/en/install/README.md
+++ b/docs/en/install/README.md
@@ -388,6 +388,8 @@ RSSHub supports two caching methods: memory and redis
 
 `REDIS_URL`: Redis target address (invalid when `CACHE_TYPE` is set to memory), default to `redis://localhost:6379/`
 
+`MEMORY_MAX`: maximum number of cached items (invalid when `CACHE_TYPE` is set to redis), default to `256`
+
 ### Proxy Configurations
 
 Partial routes have a strict anti-crawler policy, and can be configured to use proxy.
diff --git a/docs/install/README.md b/docs/install/README.md
index ed5d4009b2b23c..0ab94995158291 100644
--- a/docs/install/README.md
+++ b/docs/install/README.md
@@ -392,6 +392,8 @@ RSSHub 支持 `memory` 和 `redis` 两种缓存方式
 
 `REDIS_URL`: Redis 连接地址（redis 缓存类型时有效），默认为 `redis://localhost:6379/`
 
+`MEMORY_MAX`: 最大缓存数量（memory 缓存类型时有效），默认 `256`
+
 ### 代理配置
 
 部分路由反爬严格，可以配置使用代理抓取。
diff --git a/lib/config.js b/lib/config.js
index 8e86710e8a5abe..73135c26bbad8a 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -49,6 +49,10 @@ const calculateValue = () => {
             routeExpire: parseInt(envs.CACHE_EXPIRE) || 5 * 60, // 路由缓存时间，单位为秒
             contentExpire: parseInt(envs.CACHE_CONTENT_EXPIRE) || 1 * 60 * 60, // 不变内容缓存时间，单位为秒
         },
+        memory: {
+            max: envs.MEMORY_MAX || Math.pow(2, 8), // The maximum number of items that remain in the cache. This must be a positive finite intger.
+            // https://github.com/isaacs/node-lru-cache#options
+        },
         redis: {
             url: envs.REDIS_URL || 'redis://localhost:6379/',
         },
diff --git a/lib/middleware/cache/index.js b/lib/middleware/cache/index.js
index 9aa7628b3d8d99..7e6bb926e68139 100644
--- a/lib/middleware/cache/index.js
+++ b/lib/middleware/cache/index.js
@@ -41,7 +41,7 @@ if (config.cache.type === 'redis') {
             value = JSON.stringify(value);
         }
         if (key) {
-            return pageCache.set(key, value, maxAge * 1000);
+            return pageCache.set(key, value, { ttl: maxAge * 1000 });
         }
     };
 } else {
diff --git a/lib/middleware/cache/memory.js b/lib/middleware/cache/memory.js
index 6eff393aa3b39c..1e7efe3a6cc86e 100644
--- a/lib/middleware/cache/memory.js
+++ b/lib/middleware/cache/memory.js
@@ -4,13 +4,13 @@ const config = require('@/config').value;
 const status = { available: false };
 
 const pageCache = new Lru({
-    maxAge: config.cache.routeExpire * 1000,
-    max: Infinity,
+    ttl: config.cache.routeExpire * 1000,
+    max: config.memory.max,
 });
 
 const routeCache = new Lru({
-    maxAge: config.cache.routeExpire * 1000,
-    max: Infinity,
+    ttl: config.cache.routeExpire * 1000,
+    max: config.memory.max,
     updateAgeOnGet: true,
 });
 
@@ -34,7 +34,7 @@ module.exports = {
             value = JSON.stringify(value);
         }
         if (key && status.available) {
-            return (refresh ? routeCache : pageCache).set(key, value, maxAge * 1000);
+            return (refresh ? routeCache : pageCache).set(key, value, { ttl: maxAge * 1000 });
         }
     },
     clients: { pageCache, routeCache },
diff --git a/package.json b/package.json
index 64ec7b88646fc4..0ccb0b36d9dfca 100644
--- a/package.json
+++ b/package.json
@@ -110,7 +110,7 @@
     "koa-basic-auth": "4.0.0",
     "koa-favicon": "2.1.0",
     "koa-mount": "4.0.0",
-    "lru-cache": "6.0.0",
+    "lru-cache": "7.7.1",
     "lz-string": "1.4.4",
     "mailparser": "3.4.0",
     "markdown-it": "12.3.2",
diff --git a/yarn.lock b/yarn.lock
index e0adbec44acaf1..f05c639a1e7f61 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9005,12 +9005,10 @@ lowercase-keys@^2.0.0:
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-2.0.0.tgz#2603e78b7b4b0006cbca2fbcc8a3202558ac9479"
   integrity sha512-tqNXrS78oMOE73NMxK4EMLQsQowWf8jKooH9g7xPavRT706R6bkQJ6DY2Te7QukaZsulxa30wQ7bk0pm4XiHmA==
 
-lru-cache@6.0.0, lru-cache@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-6.0.0.tgz#6d6fe6570ebd96aaf90fcad1dafa3b2566db3a94"
-  integrity sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==
-  dependencies:
-    yallist "^4.0.0"
+lru-cache@7.7.1:
+  version "7.7.1"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-7.7.1.tgz#03d2846b1ad2dcc7931a9340b8711d9798fcb0c6"
+  integrity sha512-cRffBiTW8s73eH4aTXqBcTLU0xQnwGV3/imttRHGWCrbergmnK4D6JXQd8qin5z43HnDwRI+o7mVW0LEB+tpAw==
 
 lru-cache@^4.0.1, lru-cache@^4.1.2:
   version "4.1.5"
@@ -9027,6 +9025,13 @@ lru-cache@^5.1.1:
   dependencies:
     yallist "^3.0.2"
 
+lru-cache@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-6.0.0.tgz#6d6fe6570ebd96aaf90fcad1dafa3b2566db3a94"
+  integrity sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==
+  dependencies:
+    yallist "^4.0.0"
+
 lru_map@^0.3.3:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/lru_map/-/lru_map-0.3.3.tgz#b5c8351b9464cbd750335a79650a0ec0e56118dd"