diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 70658ca83..74f9310d1 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,14 @@
+#
+# Copyright 2019-2021 Mamoe Technologies and contributors.
+#
+#  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+#  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+#
+#  https://github.com/mamoe/mirai/blob/master/LICENSE
+#
+
 #Wed Mar 04 22:27:09 CST 2020
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.8-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1-all.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
diff --git a/tools/compiler-common/build.gradle.kts b/tools/compiler-common/build.gradle.kts
index 68380100c..1f6cd1c6f 100644
--- a/tools/compiler-common/build.gradle.kts
+++ b/tools/compiler-common/build.gradle.kts
@@ -16,7 +16,7 @@ plugins {
 }
 
 repositories {
-    maven("http://maven.aliyun.com/nexus/content/groups/public/")
+    maven("https://maven.aliyun.com/repository/public")
 }
 
 version = Versions.console