diff --git a/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/AutoCleanTimerTest.java b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/AutoCleanTimerTest.java
new file mode 100644
index 0000000..71749e1
--- /dev/null
+++ b/ContentGrabbingJi-CacheStore-local/src/test/java/net/lamgc/cgj/bot/cache/local/AutoCleanTimerTest.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2020  LamGC
+ *
+ * ContentGrabbingJi is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * ContentGrabbingJi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.lamgc.cgj.bot.cache.local;
+
+import net.lamgc.cgj.bot.cache.CacheKey;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.lang.ref.ReferenceQueue;
+
+/**
+ * @see AutoCleanTimer
+ */
+public class AutoCleanTimerTest {
+
+    @BeforeClass
+    public static void before() throws ClassNotFoundException, InterruptedException {
+        Class.forName(AutoCleanTimer.class.getName(), true, ClassLoader.getSystemClassLoader());
+        Thread.sleep(150L);
+    }
+
+    @Test
+    public void addTest() throws InterruptedException {
+        HashSingleCacheStore<String> cacheStore = new HashSingleCacheStore<>();
+        AutoCleanTimer.add(cacheStore);
+
+        Thread.sleep(300L);
+        final CacheKey persistenceKey = new CacheKey("persistenceKey");
+        final CacheKey expireKey = new CacheKey("expireKey");
+        final String value = "testValue";
+
+        // 过期键与持久键
+        cacheStore.set(persistenceKey, value);
+        cacheStore.set(expireKey, value);
+        cacheStore.setTimeToLive(expireKey, 50);
+
+        Thread.sleep(1000L);
+
+        Assert.assertTrue(cacheStore.exists(persistenceKey));
+        Assert.assertFalse(cacheStore.exists(expireKey));
+    }
+
+    @Test
+    public void weakReferenceCleanTest() throws InterruptedException {
+        ReferenceQueue<Cleanable> referenceQueue = new ReferenceQueue<>();
+        AutoCleanTimer.setWeakReferenceQueue(referenceQueue);
+        AutoCleanTimer.add(new HashSingleCacheStore<>());
+        System.gc();
+        Assert.assertNotNull(referenceQueue.remove(100L));
+        System.gc();
+        Thread.sleep(300L);
+        Assert.assertEquals(0, AutoCleanTimer.size());
+    }
+
+    @Test
+    public void methodExceptionThrowTest() throws InterruptedException {
+        class ThrowExceptionCleanable implements Cleanable {
+            private boolean throed;
+            @Override
+            public long clean() throws Exception {
+                if (!throed) {
+                    throed = true;
+                    throw new Exception();
+                }
+                return 0;
+            }
+        }
+
+        ThrowExceptionCleanable cleanable = new ThrowExceptionCleanable();
+        AutoCleanTimer.add(cleanable);
+        Thread.sleep(300L);
+        AutoCleanTimer.remove(cleanable);
+    }
+
+}
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