diff --git a/build.gradle b/build.gradle
index 40fe932..59e34d8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,19 +1,41 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    apply from: 'versions.gradle'
-    addRepos(repositories)
+//    apply from: 'versions.gradle'
+//    apply from: 'support.gradle'
+//    addRepos(repositories)
+    ext{
+        kotlin_version = '1.3.20'
+        appcompat_version = '27.1.1'
+        constraint_layout = '1.1.3'
+        min_sdk = 16
+        target_sdk = 27
+        build_tools = "27.0.3"
+    }
     dependencies {
         /* classpath deps.android_gradle_plugin*/
-        classpath deps.android_gradle_plugin
-        classpath deps.kotlin.plugin
+        classpath "com.android.tools.build:gradle:3.3.2"
+        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
     }
+    repositories {
+        google()
+        jcenter()
+    }
 }
 
 allprojects {
-    addRepos(repositories)
+//    addRepos(repositories)
+    repositories {
+        google()
+        jcenter()
+        mavenCentral()
+        //Add the JitPack repository
+        maven { url "https://jitpack.io" }
+        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
+    }
+
     // Android dependency 'com.android.support:design' has different version for the compile (25.3.1) and runtime (25.4.0) classpath.
     // You should manually set the same version via DependencyResolution
     subprojects {
@@ -21,7 +43,7 @@ allprojects {
             resolutionStrategy.eachDependency { details ->
                 if (details.requested.group == 'com.android.support'
                         && !details.requested.name.contains('multidex')) {
-                    details.useVersion  "27.0.2"
+                    details.useVersion  "27.1.1"
                 }
             }
         }
@@ -35,4 +57,15 @@ allprojects {
 
 task clean(type: Delete) {
     delete rootProject.buildDir
+}
+repositories {
+    google()
+}
+
+ext{
+    appcompat_version = '27.1.1'
+    constraint_layout = '1.1.3'
+    min_sdk = 16
+    target_sdk = 27
+    build_tools = "27.0.3"
 }
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index 9b51cd5..474f4f9 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -19,8 +19,12 @@ org.gradle.daemon=true
 org.gradle.configureondemand=true
 org.gradle.parallel=true
 # ���ֵһ������AndroidStudio�汾��һ��
-localGradlePluginVersion=3.0.1
+localGradlePluginVersion=3.1.3
+appcompat_version=27.1.1
+constraint_layout=1.1.3
+retrofit          = '2.3.0'
 
 # ÿ�θ��ġ�isModule����ֵ����Ҫ��� "Sync Project" ��ť
 # isModule�ǡ����ɿ���ģʽ���͡��������ģʽ�����л�����
 isModule=false
+
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..f6b961f
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..a8b220f
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Wed Mar 27 08:54:56 CST 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
diff --git a/gradlew b/gradlew
new file mode 100644
index 0000000..cccdd3d
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..f955316
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/lib_common/build.gradle b/lib_common/build.gradle
index 87eb2af..ba94831 100644
--- a/lib_common/build.gradle
+++ b/lib_common/build.gradle
@@ -1,20 +1,19 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion build_versions.target_sdk
+    compileSdkVersion 27
     defaultConfig {
-        minSdkVersion build_versions.min_sdk
-        targetSdkVersion build_versions.target_sdk
+        minSdkVersion min_sdk
+        targetSdkVersion target_sdk
         versionCode 1
         versionName "1.0"
-    }
-
 
+        javaCompileOptions { annotationProcessorOptions { includeCompileClasspath = true } }
+    }
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-
     buildTypes {
         release {
             buildConfigField "boolean", "LOG_DEBUG", "true"
@@ -25,52 +24,51 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
-
 }
 
 dependencies {
     api fileTree(include: ['*.jar'], dir: 'libs')
     // Support libraries
-    api deps.support.app_compat
-    api deps.support.v4
-    api deps.support.v13
-    api deps.support.design
-    api deps.support.cardview
-    api deps.support.percent
-    api deps.support.recyclerview
-    api deps.constraint_layout
+    api "com.android.support:appcompat-v7:${rootProject.ext.appcompat_version}"
+    api "com.android.support:support-v4:${rootProject.ext.appcompat_version}"
+    api "com.android.support:support-v13:${rootProject.ext.appcompat_version}"
+    api "com.android.support:percent:${rootProject.ext.appcompat_version}"
+    api "com.android.support:recyclerview-v7:${rootProject.ext.appcompat_version}"
+    api "com.android.support:cardview-v7:${rootProject.ext.appcompat_version}"
+    api "com.android.support:design:${rootProject.ext.appcompat_version}"
 
+    api "com.android.support.constraint:constraint-layout:${rootProject.ext.constraint_layout}"
     // RxJava and retrofit
-    api deps.rx_android
-    api deps.rxjava2
-    api deps.retrofit.runtime
-    api deps.retrofit.gson
-    api deps.persistent_cookie
-
+    api "io.reactivex.rxjava2:rxjava:2.2.2"
+    api "io.reactivex.rxjava2:rxandroid:2.1.0"
+    api "com.squareup.retrofit2:retrofit:2.4.0"
+    api "com.squareup.retrofit2:converter-gson:2.4.0"
+    api "com.squareup.retrofit2:converter-gson:2.4.0"
+    api "com.github.franmontiel:PersistentCookieJar:v1.0.1"
     //Dagger
-    api deps.dagger.runtime
-    api deps.dagger.android
-    api deps.dagger.android_support
-
+    api "com.google.dagger:dagger:2.17"
+    api "com.google.dagger:dagger-android:2.17"
+    api "com.google.dagger:dagger-android-support:2.17"
     // other
-    api deps.kotlin.stdlib
-    api deps.event_bus
-    api deps.gson
-    api deps.permission
-    api deps.utils
-    api deps.glide
-
+    api "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    api "org.greenrobot:eventbus:3.1.1"
+    api "com.google.code.gson:gson:2.8.5"
+    api "com.yanzhenjie:permission:1.1.2"
+    api "com.blankj:utilcode:1.10.0"
+    api "com.github.bumptech.glide:glide:3.8.0"
     //view
-    api deps.photo_view
-    api deps.easy_recycler
-    api deps.material_dialog
-    api deps.logger
-    api deps.toasty
-
+    api "com.github.chrisbanes:PhotoView:2.0.0"
+    api "com.jude:easyrecyclerview:4.4.2"
+    api "com.afollestad.material-dialogs:core:0.9.6.0"
+    api "com.orhanobut:logger:1.15"
+    api "com.github.GrenderG:Toasty:1.1.3"
     //router
-    api deps.arouter_api
-
+    api "com.alibaba:arouter-api:1.3.1"
     //annotationProcessor
-    annotationProcessor deps.dagger.android_support_compiler
-    annotationProcessor deps.dagger.compiler
+    annotationProcessor "com.google.dagger:dagger-compiler:2.17"
+    annotationProcessor "com.google.dagger:dagger-android-processor:2.17"
+}
+
+repositories {
+    google()
 }
diff --git a/module_app/build.gradle b/module_app/build.gradle
index 2776c5c..4e6607c 100644
--- a/module_app/build.gradle
+++ b/module_app/build.gradle
@@ -9,7 +9,7 @@ def keystoreProperties = new Properties()
 keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
 
 static def buildTime() {
-    return new Date().format("yyyyMMdd");
+    return new Date().format("yyyyMMdd")
 }
 
 android {
@@ -21,25 +21,23 @@ android {
             storePassword keystoreProperties['storePassword']
         }
     }
-
-    compileSdkVersion build_versions.target_sdk
+    compileSdkVersion 27
     defaultConfig {
         applicationId "com.guiying.module"
-        minSdkVersion build_versions.min_sdk
-        targetSdkVersion build_versions.target_sdk
+        minSdkVersion min_sdk
+        targetSdkVersion target_sdk
         versionCode 1
         versionName "1.0"
         multiDexEnabled true
+
         //打包时间
         resValue "string", "build_time", buildTime()
-    }
-
 
+    }
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-
     buildTypes {
         release {
             //更改AndroidManifest.xml中预先定义好占位符信息
@@ -68,13 +66,11 @@ android {
             debuggable true
         }
     }
-
-
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation deps.support.multidex
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation "com.android.support:multidex:1.0.3"
     implementation project(':lib_common')
     if (!isModule.toBoolean()) {
         implementation project(':module_main')
@@ -82,3 +78,7 @@ dependencies {
         implementation project(':module_news')
     }
 }
+
+repositories {
+    google()
+}
diff --git a/module_girls/build.gradle b/module_girls/build.gradle
index a1838bd..945dc59 100644
--- a/module_girls/build.gradle
+++ b/module_girls/build.gradle
@@ -5,25 +5,23 @@ if (isModule.toBoolean()) {
 }
 
 android {
-    compileSdkVersion build_versions.target_sdk
+    compileSdkVersion 27
     defaultConfig {
-        minSdkVersion build_versions.min_sdk
-        targetSdkVersion build_versions.target_sdk
+        minSdkVersion min_sdk
+        targetSdkVersion target_sdk
         versionCode 1
         versionName "1.0"
 
         javaCompileOptions {
             annotationProcessorOptions {
-                arguments = [ moduleName : project.getName() ]
+                arguments = [moduleName: project.getName()]
             }
         }
     }
-
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-
     sourceSets {
         main {
             if (isModule.toBoolean()) {
@@ -37,7 +35,6 @@ android {
             }
         }
     }
-
     buildTypes {
         release {
             minifyEnabled false
@@ -47,7 +44,11 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
-    annotationProcessor deps.arouter_compiler
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    annotationProcessor "com.alibaba:arouter-compiler:1.1.4"
     implementation project(':lib_common')
 }
+
+repositories {
+    google()
+}
diff --git a/module_main/build.gradle b/module_main/build.gradle
index a1838bd..945dc59 100644
--- a/module_main/build.gradle
+++ b/module_main/build.gradle
@@ -5,25 +5,23 @@ if (isModule.toBoolean()) {
 }
 
 android {
-    compileSdkVersion build_versions.target_sdk
+    compileSdkVersion 27
     defaultConfig {
-        minSdkVersion build_versions.min_sdk
-        targetSdkVersion build_versions.target_sdk
+        minSdkVersion min_sdk
+        targetSdkVersion target_sdk
         versionCode 1
         versionName "1.0"
 
         javaCompileOptions {
             annotationProcessorOptions {
-                arguments = [ moduleName : project.getName() ]
+                arguments = [moduleName: project.getName()]
             }
         }
     }
-
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-
     sourceSets {
         main {
             if (isModule.toBoolean()) {
@@ -37,7 +35,6 @@ android {
             }
         }
     }
-
     buildTypes {
         release {
             minifyEnabled false
@@ -47,7 +44,11 @@ android {
 }
 
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
-    annotationProcessor deps.arouter_compiler
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    annotationProcessor "com.alibaba:arouter-compiler:1.1.4"
     implementation project(':lib_common')
 }
+
+repositories {
+    google()
+}
diff --git a/module_news/build.gradle b/module_news/build.gradle
index a1838bd..69255d6 100644
--- a/module_news/build.gradle
+++ b/module_news/build.gradle
@@ -5,10 +5,10 @@ if (isModule.toBoolean()) {
 }
 
 android {
-    compileSdkVersion build_versions.target_sdk
+    compileSdkVersion target_sdk
     defaultConfig {
-        minSdkVersion build_versions.min_sdk
-        targetSdkVersion build_versions.target_sdk
+        minSdkVersion min_sdk
+        targetSdkVersion target_sdk
         versionCode 1
         versionName "1.0"
 
@@ -48,6 +48,10 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    annotationProcessor deps.arouter_compiler
+    annotationProcessor "com.alibaba:arouter-compiler:1.1.4"
     implementation project(':lib_common')
 }
+
+repositories {
+    google()
+}
diff --git a/versions.gradle b/versions.gradle
index 4a8a289..3e7764c 100644
--- a/versions.gradle
+++ b/versions.gradle
@@ -5,9 +5,9 @@
 ext.deps = [:]
 
 def versions = [:]
-versions.android_gradle_plugin = "3.0.1"
-versions.kotlin = "1.1.51"
-versions.support = "27.0.2"
+versions.android_gradle_plugin = '3.3.1'
+versions.kotlin = "1.3.0"
+versions.support = "27.1.1"
 versions.multidex = "1.0.2"
 versions.constraint_layout = "1.0.2"
 versions.dagger = "2.11"
@@ -35,7 +35,6 @@ versions.arouter_compiler = "1.1.4"
 versions.arouter_api = "1.3.1"
 
 
-
 def deps = [:]
 
 def support = [:]
@@ -69,7 +68,7 @@ deps.dagger = dagger
 
 
 def kotlin = [:]
-kotlin.stdlib = "org.jetbrains.kotlin:kotlin-stdlib-jre7:$versions.kotlin"
+kotlin.stdlib = "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$versions.kotlin"
 kotlin.test = "org.jetbrains.kotlin:kotlin-test-junit:$versions.kotlin"
 kotlin.plugin = "org.jetbrains.kotlin:kotlin-gradle-plugin:$versions.kotlin"
 deps.kotlin = kotlin
@@ -105,7 +104,7 @@ ext.deps = deps
 def build_versions = [:]
 build_versions.min_sdk = 16
 build_versions.target_sdk = 27
-build_versions.build_tools = "27.0.2"
+build_versions.build_tools = "27.0.3"
 ext.build_versions = build_versions