diff --git a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/config/impl/WxMaRedisConfigImpl.java b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/config/impl/WxMaRedisConfigImpl.java
index b2ef782d4..ca0e4fd25 100644
--- a/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/config/impl/WxMaRedisConfigImpl.java
+++ b/weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/config/impl/WxMaRedisConfigImpl.java
@@ -1,5 +1,6 @@
 package cn.binarywang.wx.miniapp.config.impl;
 
+import org.apache.commons.lang3.builder.ToStringBuilder;
 import redis.clients.jedis.Jedis;
 import redis.clients.jedis.JedisPool;
 
@@ -80,4 +81,9 @@ public class WxMaRedisConfigImpl extends AbstractWxMaRedisConfig {
       jedis.expire(this.accessTokenKey, 0);
     }
   }
+
+  @Override
+  public String toString() {
+    return ToStringBuilder.reflectionToString(this);
+  }
 }