fix: 更新版本号

README.md

@@ -80,7 +80,7 @@ Add it in your root build.gradle at the end of repositories:
 Step 2. Add the dependency
 
 	dependencies {
-	        compile 'com.github.liuguangli:VerificationCodeInput:1.3'
+	        compile 'com.github.liuguangli:VerificationCodeInput:1.6'
 
 	}