diff --git a/model/src/main/java/cn/org/gitlink/notification/model/service/notification/impl/SysNotificationServiceImpl.java b/model/src/main/java/cn/org/gitlink/notification/model/service/notification/impl/SysNotificationServiceImpl.java
index 56a2b09..3324ffa 100644
--- a/model/src/main/java/cn/org/gitlink/notification/model/service/notification/impl/SysNotificationServiceImpl.java
+++ b/model/src/main/java/cn/org/gitlink/notification/model/service/notification/impl/SysNotificationServiceImpl.java
@@ -1,6 +1,5 @@
 package cn.org.gitlink.notification.model.service.notification.impl;
 
-import cn.org.gitlink.notification.common.constant.NotificationSystemConstant;
 import cn.org.gitlink.notification.common.utils.RedisUtil;
 import cn.org.gitlink.notification.model.dao.entity.SysNotification;
 import cn.org.gitlink.notification.model.dao.entity.vo.NewSysNotificationVo;
@@ -19,7 +18,7 @@ import java.util.List;
 @Service(value = "SysNotificationServiceImpl")
 public class SysNotificationServiceImpl extends ServiceImpl<SysNotificationMapper, SysNotification> implements SysNotificationService {
 
-    private static final String CACHE_KEY_PREFFIX = "GITLINK-CACHE#R";
+    private static final String CACHE_KEY_PREFFIX = "GNSCache#";
 
 
     @Autowired
@@ -40,7 +39,7 @@ public class SysNotificationServiceImpl extends ServiceImpl<SysNotificationMappe
         for (String receiver : list) {
             sysNotification.setReceiver(Integer.parseInt(receiver));
             baseMapper.insertSelective(newSysNotificationVo.getPlatform(), sysNotification);
-            this.delUserCache(Integer.parseInt(receiver));
+            this.delUserCache(newSysNotificationVo.getPlatform(), Integer.parseInt(receiver));
         }
         return true;
     }
@@ -49,14 +48,14 @@ public class SysNotificationServiceImpl extends ServiceImpl<SysNotificationMappe
     public int markNotificationAs(String platform, Integer receiver, String notificationIds, Integer status) throws Exception {
         int count = baseMapper.updateStatusByNotificationId(platform, receiver, notificationIds, status);
         if (count > 0) {
-            this.delUserCache(receiver);
+            this.delUserCache(platform, receiver);
         }
         return count;
     }
 
     @Override
     public int getUnreadNotificationCount(String platform, Integer receiver) throws Exception {
-        String KEY_ALL_COUNT = CACHE_KEY_PREFFIX + receiver + "#COUNT";
+        String KEY_ALL_COUNT = CACHE_KEY_PREFFIX + platform.toUpperCase() + "#" + receiver + "#COUNT";
         Object foundResult = this.redisUtil.get(KEY_ALL_COUNT);
         if (foundResult != null) {
             return (Integer) foundResult;
@@ -68,7 +67,7 @@ public class SysNotificationServiceImpl extends ServiceImpl<SysNotificationMappe
 
     @Override
     public List<SysNotification> getUnreadNotificationByType(String platform, Integer receiver, Integer size, Integer type) throws Exception {
-        String KEY_TYPE_LIST = CACHE_KEY_PREFFIX + receiver + "#T" + type + "#LIST";
+        String KEY_TYPE_LIST = CACHE_KEY_PREFFIX + platform.toUpperCase() + "#" + receiver + "#T" + type + "#LIST";
         Object foundResult = this.redisUtil.get(KEY_TYPE_LIST);
         if (foundResult != null) {
             return (List<SysNotification>) foundResult;
@@ -80,7 +79,7 @@ public class SysNotificationServiceImpl extends ServiceImpl<SysNotificationMappe
 
     @Override
     public int getUnreadNotificationByType(Integer type, String platform, Integer receiver) throws Exception {
-        String KEY_TYPE_COUNT = CACHE_KEY_PREFFIX + receiver + "#T" + type + "#COUNT";
+        String KEY_TYPE_COUNT = CACHE_KEY_PREFFIX + platform.toUpperCase() + "#" + receiver + "#T" + type + "#COUNT";
         Object foundResult = this.redisUtil.get(KEY_TYPE_COUNT);
         if (foundResult != null) {
             return (Integer) foundResult;
@@ -92,7 +91,7 @@ public class SysNotificationServiceImpl extends ServiceImpl<SysNotificationMappe
 
     @Override
     public Page<SysNotification> getNotification(int type, int page, int size, String orderBy, String platform, Integer receiver) throws Exception {
-        String KEY_PAGE_LIST = CACHE_KEY_PREFFIX + receiver + "P" + page + "S" + size + "T" + type + "#LIST";
+        String KEY_PAGE_LIST = CACHE_KEY_PREFFIX + platform.toUpperCase() + "#" + receiver + "P" + page + "S" + size + "T" + type + "#LIST";
         Object foundResult = this.redisUtil.get(KEY_PAGE_LIST);
         if (foundResult != null) {
             return (Page<SysNotification>) foundResult;
@@ -109,7 +108,7 @@ public class SysNotificationServiceImpl extends ServiceImpl<SysNotificationMappe
 
 
     //////////////////////////////// 私有方法 ////////////////////////////////
-    private void delUserCache(Integer receiver) {
-        redisUtil.scanAndDel(CACHE_KEY_PREFFIX + receiver + "*");
+    private void delUserCache(String platform, Integer receiver) {
+        redisUtil.scanAndDel(CACHE_KEY_PREFFIX + platform.toUpperCase() + "#" + receiver + "*");
     }//end of method
 }