diff --git a/README.md b/README.md
index 7edab2d..ca85d53 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
 # Android快速开发工具集合——YUtils
-	
+
 [![](https://jitpack.io/v/yechaoa/YUtils.svg)](https://jitpack.io/#yechaoa/YUtils)
 ![](https://img.shields.io/badge/language-Java%20&%20kotlin-orange.svg)
 ![](https://img.shields.io/hexpm/l/plug.svg)
 
-最近更新 2020.12.29
+最近更新 2020.1.26
 
 ### How to use
 
@@ -22,13 +22,13 @@ allprojects {
 ```
 dependencies {
     //kotlin 版本
-    implementation 'com.github.yechaoa.YUtils:yutilskt:3.1.5'
+    implementation 'com.github.yechaoa.YUtils:yutilskt:3.1.6'
 
     //java 版本
-    implementation 'com.github.yechaoa.YUtils:yutils:3.1.5'
+    implementation 'com.github.yechaoa.YUtils:yutils:3.1.6'
 
     //kotlin && java 版本
-    implementation 'com.github.yechaoa:YUtils:3.1.5'
+    implementation 'com.github.yechaoa:YUtils:3.1.6'
 }
 ```
 
@@ -226,6 +226,10 @@ like this
  
 ## 更新记录
 
+#### 3.1.6（2021-01-26）
+- targetSdkVersion 30
+- ToastUtil适配Android 11
+
 #### 3.1.5（2020-12-29）
 - 初始化校验
 - YUtils新增sim卡判断
diff --git a/app/build.gradle b/app/build.gradle
index 680d730..19484a0 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -30,7 +30,7 @@ dependencies {
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     testImplementation 'junit:junit:4.13'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 
     implementation "com.google.android.material:material:1.2.1"