diff --git a/build.gradle b/build.gradle
index 26a783c..c967b8b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,18 +1,17 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
     repositories {
-        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        // gradle插件版本
+        classpath 'com.android.tools.build:gradle:2.3.3'
     }
 }
 
 allprojects {
     repositories {
         maven { url 'http://raw.github.com/saki4510t/libcommon/master/repository/' }
-        google()
         jcenter()
     }
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 9a778d6..dfc1cb0 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,7 @@
-#Mon Dec 28 10:00:20 PST 2015
+#Tue Feb 27 08:59:08 CST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
+#gradle�汾
 distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip