diff --git a/update.json b/update.json
index b247c84..62cd80c 100644
--- a/update.json
+++ b/update.json
@@ -18,9 +18,9 @@
         "version": "3.8.0.307"
     },
     "dev-preview": {
-        "jar": "http://mirrors.cloud.tencent.com/nexus/repository/maven-public/org/glavo/hmcl/hmcl-dev/3.8.0.307/hmcl-dev-3.8.0.307.jar",
-        "jarsha1": "7902403d0575e4ff2d114a02176347fb01a10f15",
+        "jar": "http://mirrors.cloud.tencent.com/nexus/repository/maven-public/org/glavo/hmcl/hmcl-dev/3.8.0.308/hmcl-dev-3.8.0.308.jar",
+        "jarsha1": "9a4f3b40cb83d9785ad4b2cc953b54b64de8591c",
         "universal": "https://hmcl.huangyuhui.net",
-        "version": "3.8.0.307"
+        "version": "3.8.0.308"
     }
 }
\ No newline at end of file