diff --git a/eladmin-system/src/main/java/me/zhengjie/modules/monitor/service/impl/RedisServiceImpl.java b/eladmin-system/src/main/java/me/zhengjie/modules/monitor/service/impl/RedisServiceImpl.java
index f0ef3e89b49c2f1d0ec0aa3617081e0320dfce68..1e1526466afa68f8bd4f8b8d213a76697bc747b4 100644
--- a/eladmin-system/src/main/java/me/zhengjie/modules/monitor/service/impl/RedisServiceImpl.java
+++ b/eladmin-system/src/main/java/me/zhengjie/modules/monitor/service/impl/RedisServiceImpl.java
@@ -4,6 +4,7 @@ import me.zhengjie.modules.monitor.domain.vo.RedisVo;
 import me.zhengjie.modules.monitor.service.RedisService;
 import me.zhengjie.utils.PageUtil;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageImpl;
 import org.springframework.data.domain.Pageable;
@@ -11,6 +12,7 @@ import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Service;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
 
 /**
  * @author Zheng Jie
@@ -22,6 +24,9 @@ public class RedisServiceImpl implements RedisService {
     @Autowired
     RedisTemplate redisTemplate;
 
+    @Value("${loginCode.expiration}")
+    private Long expiration;
+
     @Override
     public Page<RedisVo> findByKey(String key, Pageable pageable){
         List<RedisVo> redisVos = new ArrayList<>();
@@ -67,6 +72,7 @@ public class RedisServiceImpl implements RedisService {
 
     @Override
     public void saveCode(String key, Object val) {
-        redisTemplate.opsForValue().set(key,val,2000);
+        redisTemplate.opsForValue().set(key,val);
+        redisTemplate.expire(key,expiration, TimeUnit.MINUTES);
     }
 }
diff --git a/eladmin-system/src/main/resources/config/application.yml b/eladmin-system/src/main/resources/config/application.yml
index 8c98a9bee76b7f984434c5b2f4a6acf4ecc77458..2127c638f6d37ffcf1893d5e172a3187d75c2006 100644
--- a/eladmin-system/src/main/resources/config/application.yml
+++ b/eladmin-system/src/main/resources/config/application.yml
@@ -32,6 +32,10 @@ qiniu:
   # 文件大小 /M
   max-size: 15
 
-#验证码有效时间/分钟
+#邮箱验证码有效时间/分钟
 code:
-  expiration: 5
\ No newline at end of file
+  expiration: 5
+
+#登录图形验证码有效时间/分钟
+loginCode:
+  expiration: 2
\ No newline at end of file