diff --git a/src/main/java/cn/hezhaohui/redis/RedisBasicOperations.java b/src/main/java/cn/hezhaohui/redis/RedisBasicOperations.java
index 4e4d1b2..e03ce57 100644
--- a/src/main/java/cn/hezhaohui/redis/RedisBasicOperations.java
+++ b/src/main/java/cn/hezhaohui/redis/RedisBasicOperations.java
@@ -1,5 +1,7 @@
 package cn.hezhaohui.redis;
 
+import redis.clients.jedis.Jedis;
+
 import java.util.Set;
 
 /**
@@ -9,14 +11,16 @@ import java.util.Set;
  * TODO: 实现键的过期和生存时间操作
  */
 public class RedisBasicOperations {
-    
+
+    private Jedis jedis = RedisPoolConnection.getJedis();
+
     /**
      * 检查键是否存在
      * TODO: 实现exists方法
      */
     public boolean exists(String key) {
         // TODO: 检查键是否存在
-        return false;
+        return jedis.exists(key);
     }
     
     /**
@@ -25,7 +29,7 @@ public class RedisBasicOperations {
      */
     public long delete(String key) {
         // TODO: 删除键
-        return 0;
+        return jedis.del(key);
     }
     
     /**
@@ -34,7 +38,7 @@ public class RedisBasicOperations {
      */
     public Set<String> keys(String pattern) {
         // TODO: 获取所有匹配的键
-        return null;
+        return jedis.keys(pattern);
     }
     
     /**
@@ -43,7 +47,7 @@ public class RedisBasicOperations {
      */
     public boolean setExpiry(String key, int seconds) {
         // TODO: 设置键的过期时间
-        return false;
+        return jedis.expire(key, seconds) == 1;
     }
     
     /**
@@ -52,7 +56,7 @@ public class RedisBasicOperations {
      */
     public long timeToLive(String key) {
         // TODO: 获取键的剩余生存时间
-        return 0;
+        return jedis.ttl(key);
     }
     
     /**
@@ -61,7 +65,7 @@ public class RedisBasicOperations {
      */
     public String type(String key) {
         // TODO: 获取键的类型
-        return null;
+        return jedis.type(key);
     }
     
     /**
@@ -70,5 +74,6 @@ public class RedisBasicOperations {
      */
     public void flushDatabase() {
         // TODO: 清空数据库
+        jedis.flushDB();
     }
 }
\ No newline at end of file
diff --git a/src/test/java/cn/hezhaohui/RedisTest.java b/src/test/java/cn/hezhaohui/RedisTest.java
index 3d4f50a..2da1048 100644
--- a/src/test/java/cn/hezhaohui/RedisTest.java
+++ b/src/test/java/cn/hezhaohui/RedisTest.java
@@ -1,6 +1,8 @@
 package cn.hezhaohui;
 
 
+import cn.hezhaohui.redis.RedisBasicOperations;
+
 /**
  * Redis学习测试类
  * TODO: 实现各个Redis操作类的测试方法
@@ -41,6 +43,8 @@ public class RedisTest {
     private static void testBasicOperations() {
         System.out.println("测试基础操作...");
         // TODO: 实现基础操作测试
+        RedisBasicOperations redisBasicOperations = new RedisBasicOperations();
+        System.out.println(redisBasicOperations.keys("*"));
     }
     
     /**