升级kotlin-gradle-plugin版本

build.gradle

@@ -2,13 +2,14 @@ import java.text.SimpleDateFormat
 
 buildscript {
     repositories {
+        maven { url "https://maven.aliyun.com/nexus/content/groups/public" }
         mavenCentral()
         maven { url "https://plugins.gradle.org/m2/" }
     }
 
     dependencies {
         //noinspection DifferentKotlinGradleVersion
-        classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.21'
+        classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.30'
         classpath "gradle.plugin.com.hierynomus.gradle.plugins:license-gradle-plugin:0.15.0"
     }
 }