update:2020.03.11 优化首页布局，修正更新逻辑

build.gradle

@@ -1,6 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
+    ext.kotlin_version = '1.3.61'
     repositories {
         google()
         jcenter()
@@ -8,7 +9,8 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.5.2'
-        
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }