diff --git a/chameleon/build.gradle b/chameleon/build.gradle
index 52b4ae7f..f318e9ed 100644
--- a/chameleon/build.gradle
+++ b/chameleon/build.gradle
@@ -25,5 +25,5 @@ dependencies {
     implementation project(path: ':utils')
 
     implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation project(path: ':mifaretag')
+    api project(path: ':mifaretag')
 }
diff --git a/commapping/build.gradle b/commapping/build.gradle
index 54ccd895..f9f196b4 100644
--- a/commapping/build.gradle
+++ b/commapping/build.gradle
@@ -44,7 +44,7 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation project(path: ':utils')
-    implementation project(path: ':mifaretag')
+    api project(path: ':mifaretag')
 
     implementation 'androidx.appcompat:appcompat:1.1.0'
 }
diff --git a/console/src/androidTest/java/cn/rrg/console/ExampleInstrumentedTest.java b/console/src/androidTest/java/cn/rrg/console/ExampleInstrumentedTest.java
deleted file mode 100644
index 4126c398..00000000
--- a/console/src/androidTest/java/cn/rrg/console/ExampleInstrumentedTest.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package cn.rrg.console;
-
-import android.content.Context;
-import androidx.test.platform.app.InstrumentationRegistry;
-import androidx.test.ext.junit.runners.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import static org.junit.Assert.*;
-
-/**
- * Instrumented test, which will execute on an Android device.
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-@RunWith(AndroidJUnit4.class)
-public class ExampleInstrumentedTest {
-    @Test
-    public void useAppContext() {
-        // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getTargetContext();
-
-        assertEquals("cn.rrg.console.test", appContext.getPackageName());
-    }
-}
diff --git a/console/src/test/java/cn/rrg/console/ExampleUnitTest.java b/console/src/test/java/cn/rrg/console/ExampleUnitTest.java
deleted file mode 100644
index 5ae9ddd1..00000000
--- a/console/src/test/java/cn/rrg/console/ExampleUnitTest.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package cn.rrg.console;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() {
-        assertEquals(4, 2 + 2);
-    }
-}
\ No newline at end of file
diff --git a/mfkey/build.gradle b/mfkey/build.gradle
index 64063fac..336be77a 100644
--- a/mfkey/build.gradle
+++ b/mfkey/build.gradle
@@ -39,7 +39,7 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation project(':console')
+    api project(':console')
 
     implementation 'androidx.appcompat:appcompat:1.1.0'
 }