diff --git a/jsowell-admin/src/main/java/com/jsowell/service/AgentDevService.java b/jsowell-admin/src/main/java/com/jsowell/service/AgentDevService.java
index c4e245f1e..c5279c0ab 100644
--- a/jsowell-admin/src/main/java/com/jsowell/service/AgentDevService.java
+++ b/jsowell-admin/src/main/java/com/jsowell/service/AgentDevService.java
@@ -131,7 +131,7 @@ public class AgentDevService {
 
     /**
      * 小程序/公众号授权事件
-     *
+     * https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/2.0/api/Before_Develop/authorize_event.html
      * @param map
      */
     private void authorizedInform(Map<String, String> map) {
@@ -148,19 +148,19 @@ public class AgentDevService {
         // 用户授权码 redisKey
         String authCodeRedisKey = CacheConstants.COMPONENT_AUTHORIZATION_CODE + authorizerAppid;
         // 用户预授权码 redisKey  过期时间 1800 秒
-        String preAuthCodeRedisKey = CacheConstants.COMPONENT_PRE_AUTHORIZATION_CODE + authorizerAppid;
+        // String preAuthCodeRedisKey = CacheConstants.COMPONENT_PRE_AUTHORIZATION_CODE + authorizerAppid;
         // 如果此用户之前有缓存，需把原来的删除
         if (StringUtils.isNotBlank(authCodeRedisKey)) {
             redisCache.deleteObject(authCodeRedisKey);
         }
-        if (StringUtils.isNotBlank(preAuthCodeRedisKey)) {
-            redisCache.deleteObject(preAuthCodeRedisKey);
-        }
+        // if (StringUtils.isNotBlank(preAuthCodeRedisKey)) {
+        //     redisCache.deleteObject(preAuthCodeRedisKey);
+        // }
 
         // 获取授权码
         String authorizationCode = MapUtils.getString(map, "AuthorizationCode");
         // 预授权码
-        String preAuthCode = MapUtils.getString(map, "PreAuthCode");
+        // String preAuthCode = MapUtils.getString(map, "PreAuthCode");
         // 过期时间 (授权码用)
         int expiredTime = (Integer) MapUtils.getObject(map, "AuthorizationCodeExpiredTime");
 
@@ -170,7 +170,7 @@ public class AgentDevService {
         }
 
         redisCache.setCacheObject(authCodeRedisKey, authorizationCode, expiredTime, TimeUnit.SECONDS);
-        redisCache.setCacheObject(preAuthCodeRedisKey, preAuthCode, 60 * 30, TimeUnit.SECONDS);
+        // redisCache.setCacheObject(preAuthCodeRedisKey, preAuthCode, 60 * 30, TimeUnit.SECONDS);
 
         logger.info("微信开放平台，第三方平台小程序/公众号授权事件 success");
     }
@@ -365,6 +365,12 @@ public class AgentDevService {
      * @return
      */
     public String getPreAuthorizerCode() {
+        String redisKey = CacheConstants.PLATFORM_PRE_AUTH_CODE + PLATFORM_APP_ID;
+        // 先查缓存
+        String preAuthCode = redisCache.getCacheObject(redisKey);
+        if (StringUtils.isNotBlank(preAuthCode)) {
+            return preAuthCode;
+        }
         // 获取平台令牌
         GetComponentTokenDTO dto = GetComponentTokenDTO.builder()
                 .appId(PLATFORM_APP_ID)
@@ -382,11 +388,14 @@ public class AgentDevService {
         logger.info("微信第三方平台 获取预授权码请求 params:{}, result:{}", JSONObject.toJSONString(jsonObject), result);
         // 将返回结果转成json对象
         JSONObject resultJson = JSONObject.parseObject(result);
-        String preAuthCode = resultJson.getString("pre_auth_code");
+        preAuthCode = resultJson.getString("pre_auth_code");
         if (StringUtils.isBlank(preAuthCode)) {
             logger.error("微信第三方平台 获取预授权码为空");
             return null;
         }
+        // 存入缓存 有效期 1800 秒
+        redisCache.setCacheObject(redisKey, preAuthCode, 60 * 30, TimeUnit.SECONDS);
+
         return preAuthCode;
     }
 
diff --git a/jsowell-common/src/main/java/com/jsowell/common/constant/CacheConstants.java b/jsowell-common/src/main/java/com/jsowell/common/constant/CacheConstants.java
index 69fb33112..d68b6f249 100644
--- a/jsowell-common/src/main/java/com/jsowell/common/constant/CacheConstants.java
+++ b/jsowell-common/src/main/java/com/jsowell/common/constant/CacheConstants.java
@@ -118,7 +118,12 @@ public class CacheConstants {
 	/**
 	 * 微信第三方平台 用户预授权码
 	 */
-	public static final String COMPONENT_PRE_AUTHORIZATION_CODE = "component_pre_authorization_code:";
+	// public static final String COMPONENT_PRE_AUTHORIZATION_CODE = "component_pre_authorization_code:";
+
+	/**
+	 * 微信第三方平台 用户预授权码
+	 */
+	public static final String PLATFORM_PRE_AUTH_CODE = "platform_pre_auth_code:";
 
 	/**
 	 * 微信第三方平台 token