diff --git a/ARE/app/build.gradle b/ARE/app/build.gradle
index 8c68e8d..14b26cd 100644
--- a/ARE/app/build.gradle
+++ b/ARE/app/build.gradle
@@ -1,11 +1,11 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 26
     defaultConfig {
         applicationId "com.chinalwb.are.demo"
         minSdkVersion 15
-        targetSdkVersion 27
+        targetSdkVersion 26
     }
 
     buildTypes {
@@ -18,8 +18,8 @@ android {
 
 dependencies {
     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
-    implementation 'com.android.support:design:27.1.0'
-    implementation 'com.android.support:appcompat-v7:27.1.0'
+    implementation 'com.android.support:design:26.1.0'
+    implementation 'com.android.support:appcompat-v7:26.1.0'
     implementation project(':are')
      implementation 'com.github.bumptech.glide:glide:4.3.0'
 //     implementation 'com.github.chinalwb:are:0.1.3'
diff --git a/ARE/are/build.gradle b/ARE/are/build.gradle
index 80bc709..b890f39 100644
--- a/ARE/are/build.gradle
+++ b/ARE/are/build.gradle
@@ -41,11 +41,11 @@ dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 
     implementation 'com.android.support:appcompat-v7:26.1.0'
-    implementation 'com.android.support:support-v4:26.1.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+//    implementation 'com.android.support:support-v4:26.1.0'
+//    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.1'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+//    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+//    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 
     implementation files('libs/tagsoup-1.2.1.jar')