diff --git a/definitions/updates.json b/definitions/updates.json
index 375b61d..1f9230d 100644
--- a/definitions/updates.json
+++ b/definitions/updates.json
@@ -3,9 +3,9 @@
     "windows": {
       "full-url": "http://www.tianzd.cn:1995/TianZD/FlightDataAnalysis-deploy/raw/branch/master/download/FlightDataAnalysis-full.exe",
       "open-url": "",
-      "latest-version": "1.0",
+      "latest-version": "2.1.1",
       "download-url": "http://www.tianzd.cn:1995/TianZD/FlightDataAnalysis-deploy/raw/branch/master/download/FlightDataAnalysis.zip",
-      "changelog": "This is an example changelog for Windows. Go on...",
+      "changelog": "modify line color",
       "mandatory": true
     },
     "osx": {