diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..9dbb701
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,27 @@
+version: 2
+jobs:
+  build:
+    working_directory: ~/code
+    docker:
+      - image: circleci/android:api-28
+    environment:
+      JVM_OPTS: -Xmx3200m
+    steps:
+      - checkout
+      - restore_cache:
+          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}
+      - run:
+          name: Download Dependencies
+          command: ./gradlew androidDependencies
+      - save_cache:
+          paths:
+            - ~/.gradle
+          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}
+      - run:
+          name: Run Tests
+          command: ./gradlew lint test
+      - store_artifacts:
+          path: app/build/reports
+          destination: reports
+      - store_test_results:
+          path: app/build/test-results
\ No newline at end of file
diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index 2c12dc5..a9d52d5 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/README.md b/README.md
index c217279..7a1f80c 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,9 @@
 ![Image](app/src/main/ic_launcher-web.png)
 
 [![Download](https://img.shields.io/badge/download-App-blue.svg)](https://raw.githubusercontent.com/jenly1314/ZXingLite/master/app/release/app-release.apk)
-[![Jitpack](https://jitpack.io/v/jenly1314/ZXingLite.svg)](https://jitpack.io/#jenly1314/ZXingLite)
+[![JitPack](https://jitpack.io/v/jenly1314/ZXingLite.svg)](https://jitpack.io/#jenly1314/ZXingLite)
 [![CI](https://travis-ci.org/jenly1314/ZXingLite.svg?branch=master)](https://travis-ci.org/jenly1314/ZXingLite)
+[![CircleCI](https://circleci.com/gh/jenly1314/ZXingLite.svg?style=svg)](https://circleci.com/gh/jenly1314/ZXingLite)
 [![API](https://img.shields.io/badge/API-16%2B-blue.svg?style=flat)](https://android-arsenal.com/api?level=16)
 [![License](https://img.shields.io/badge/license-Apche%202.0-blue.svg)](http://www.apache.org/licenses/LICENSE-2.0)
 [![Blog](https://img.shields.io/badge/blog-Jenly-9933CC.svg)](http://blog.csdn.net/jenly121)