diff --git a/src/HFlashServer.c b/src/HFlashServer.c
index 988c9f1..0ff78d2 100644
--- a/src/HFlashServer.c
+++ b/src/HFlashServer.c
@@ -121,10 +121,10 @@ static HTimer_t sBackupTimer = HTIMER_INVALID;
 #ifndef HFLASH_USE_FLASH_MEM
 // 同步页定时器
 static HTimer_t sSyncPageTimer = HTIMER_INVALID;
+#endif
 
 // 同步页表缓存定时器
 static HTimer_t sSyncCacheTimer = HTIMER_INVALID;
-#endif
 
 // 存储需要备份的保护区地址页偏移
 static HVECTOR_DEFINE32(sNeedBackupOffset, 10);
@@ -607,12 +607,10 @@ static void WritePage(uint32_t index, HFlashPageInfo *info)
 
 static void SyncCachePage()
 {
-#ifndef HFLASH_USE_FLASH_MEM
     if (sSyncCacheTimer != HTIMER_INVALID) {
         HTimerRemove(sSyncCacheTimer);
         sSyncCacheTimer = HTIMER_INVALID;
     }
-#endif
 
     for (uint32_t i = 0; i < sInfo.pageCacheUseNum; ++i) {
         // 更新Crc32
@@ -635,7 +633,6 @@ static void SyncCachePage()
 #endif
 }
 
-#ifndef HFLASH_USE_FLASH_MEM
 static void StartSyncCachePage()
 {
     if (sSyncCacheTimer != HTIMER_INVALID) {
@@ -644,15 +641,22 @@ static void StartSyncCachePage()
     }
 
     sSyncCacheTimer = HTimerAdd(HFLASH_TIMER_ID, HFLASH_SYNC_CACHE_PAGE_TIME, SyncCachePage, kHTimerOnce);
+#ifndef HFLASH_USE_FLASH_MEM
     StartSyncPageInfo();
-}
 #endif
+}
 
 static void WriteCachePage(HFlashCacheInfo *info)
 {
     ++info->info.modifyCount;
     info->waitWrite = 1;
 #ifdef HFLASH_USE_FLASH_MEM
+    // 如果是延迟CRC的, 不需要立刻同步, 避免还在不断写
+    if (info->waitCrc) {
+        StartSyncCachePage();
+        return ;
+    }
+
     SyncCachePage();
     SyncPageInfo();
 #else