diff --git a/update.json b/update.json
index 6cf34ce..c54b5b2 100644
--- a/update.json
+++ b/update.json
@@ -18,7 +18,7 @@
         "version": "3.8.0.310"
     },
     "dev-preview": {
-        "jar": "http://mirrors.cloud.tencent.com/nexus/repository/maven-public/org/glavo/hmcl/hmcl-dev/3.9.0.312/hmcl-dev-3.9.0.312.jar",
+        "jar": "https://cnb.cool/HMCL-dev/HMCL/-/releases/download/v3.9.0.312/HMCL-3.9.0.312.jar",
         "jarsha1": "f2fb45247983d3fea817a444e31bddb8ee294476",
         "universal": "https://hmcl.huangyuhui.net",
         "version": "3.9.0.312"