diff --git a/update.md b/update.md
index 6c1a606..12d3022 100644
--- a/update.md
+++ b/update.md
@@ -28,23 +28,23 @@
 
 3. System update to "2019-11-10" the mainline of upstream;
 
-3. Mesa pkg upgrade to version "19.2.3";
+4. Mesa pkg upgrade to version "19.2.3";
 
-4. upkg pkg update to version "2019.11.10";
+5. upkg pkg update to version "2019.11.10";
 
-5. Add a command video player support with H264-V4L2-M2M hardware acceleration, and fixed some   
+6. Add a command video player support with H264-V4L2-M2M hardware acceleration, and fixed some   
    issues for hardware acceleration of video stream;
 
-6. Make a new build system on a Arm64-env physical server;
+7. Make a new build system on a Arm64-env physical server;
 
-7. Add a new macOS Catalina pic as the default desktop background for 
+8. Add a new macOS Catalina pic as the default desktop background for 
    Desktop Full-Featured version;
 
-8. QQ and WPS Office are integrated by default in the Desktop Full-Featured version;
+9. QQ and WPS Office are integrated by default in the Desktop Full-Featured version;
 
-9. Rebuild the whole Deepin system and upgrade to the 15.5 SP2 version;
+10. Rebuild the whole Deepin system and upgrade to the 15.5 SP2 version;
 
-10. Deepin system which version is 2011-11-10 (15.5 SP2) had supported upgrade now.
+11. Deepin system which version is 2011-11-10 (15.5 SP2) had supported upgrade now.
 ```
 
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