diff --git a/README.md b/README.md
index 07c76e1..74346cd 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ repositories {
 - add to your module gradle file
 
 ```gradle
-compile 'com.github.dtboy1995:android-sex-cache:0.0.3'
+compile 'com.github.dtboy1995:android-sex-cache:0.0.5'
 ```
 
 # usage
diff --git a/test/build.gradle b/test/build.gradle
index 5aa8675..e13d31d 100644
--- a/test/build.gradle
+++ b/test/build.gradle
@@ -27,7 +27,6 @@ dependencies {
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support.constraint:constraint-layout:1.0.2'
     testCompile 'junit:junit:4.12'
     compile project(':app')
 }
diff --git a/test/src/main/res/layout/activity_main.xml b/test/src/main/res/layout/activity_main.xml
index 5e409c7..50c01cd 100644
--- a/test/src/main/res/layout/activity_main.xml
+++ b/test/src/main/res/layout/activity_main.xml
@@ -1,19 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout
+<LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context="org.ithot.cache.test.MainActivity">
+    >
 
     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent"/>
+        android:text="Test case"
+        />
 
-</android.support.constraint.ConstraintLayout>
+</LinearLayout>