优化demo代码，demo添加代码使用示例

build.gradle

@@ -43,7 +43,7 @@ task clean(type: Delete) {
 ext {
   userOrg = 'arialyy'
   groupId = 'com.arialyy.aria'
-  publishVersion = '3.6.4'
+  publishVersion = '3.6.5_dev_1'
 //  publishVersion = '1.0.4'  //FTP插件
   repoName='maven'
   desc = 'android 下载框架'
@@ -51,8 +51,13 @@ ext {
   licences = ['Apache-2.0']
 
   compileSdkVersion = 28
-  supportLibVersion = "28.0.0"
+  supportLibVersion = "27.1.1"
   buildToolsVersion = "28.0.3"
   targetSdkVersion = 28
+  lifecycleVersion = "1.1.1"
+//  compileSdkVersion = 28
+//  supportLibVersion = "28.0.0"
+//  buildToolsVersion = "28.0.3"
+//  targetSdkVersion = 28
   minSdkVersion = 15
 }