diff --git a/update.md b/update.md
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@@ -11,8 +11,8 @@
 # 更新说明
 
 ## 2019.08.25   // **2.0 RC2 U2 ( Kernel & Firmware ) UPDATE Published.**
-1. Kernel upgrade to 4.19.67-OPENFANS+20190825-v8 LTS,
-2. Fix DMA leaks caused swiotlb bounce buffer overflow errors under heavy wifi usage in bcm2835-mmc.
+1. Kernel upgrade to 4.19.67-OPENFANS+20190825-v8 LTS, 内核及固件更新
+2. Fix DMA leaks caused swiotlb bounce buffer overflow errors under heavy wifi usage in bcm2835-mmc, 修复WIFI高数据负载下MMC引起的死机问题
 
 ## 2019.08.16   // **2.0 RC2 Published.**
 1. 全系64位3D显卡硬件加速支持