diff --git a/README.md b/README.md
index 85d9da4..af5da7c 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ allprojects {
 
 ```gradle
 //AndroidX 版本
-implementation 'com.github.jenly1314:zxing-lite:2.1.0'
+implementation 'com.github.jenly1314:zxing-lite:2.1.1'
 
 ```
 
@@ -257,6 +257,10 @@ compileOptions {
 
 ## 版本记录
 
+#### v2.1.1：2021-8-4 
+* 更新CameraX至v1.0.1
+* 优化CameraConfig的一些默认配置
+
 #### v2.1.0：2021-6-30 (从v2.1.0开始不再发布至JCenter)
 * 更新CameraX至v1.0.0
 * 优化细节
diff --git a/app/release/app-release.apk b/app/release/app-release.apk
index 42ab15f..bcb5020 100644
Binary files a/app/release/app-release.apk and b/app/release/app-release.apk differ
diff --git a/app/release/output.json b/app/release/output.json
index 6585258..95cb442 100644
--- a/app/release/output.json
+++ b/app/release/output.json
@@ -1 +1 @@
-[{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":31,"versionName":"2.1.0","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release","dirName":""},"path":"app-release.apk","properties":{}}]
\ No newline at end of file
+[{"outputType":{"type":"APK"},"apkData":{"type":"MAIN","splits":[],"versionCode":32,"versionName":"2.1.1","enabled":true,"outputFile":"app-release.apk","fullName":"release","baseName":"release","dirName":""},"path":"app-release.apk","properties":{}}]
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index 0b0305b..99d787d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -14,8 +14,8 @@ org.gradle.jvmargs = -Xmx1536m
 android.useAndroidX=true
 android.enableJetifier=true
 
-VERSION_NAME=2.1.0
-VERSION_CODE=31
+VERSION_NAME=2.1.1
+VERSION_CODE=32
 GROUP=com.github.jenly1314
 
 POM_DESCRIPTION=ZXingLite for Android
diff --git a/update_log.md b/update_log.md
index aa825f9..b9f2e7c 100644
--- a/update_log.md
+++ b/update_log.md
@@ -1,5 +1,9 @@
 ## 版本记录
 
+#### v2.1.1：2021-8-4 
+* 更新CameraX至v1.0.1
+* 优化CameraConfig的一些默认配置
+
 #### v2.1.0：2021-6-30 (从v2.1.0开始不再发布至JCenter)
 * 更新CameraX至v1.0.0
 * 优化细节
diff --git a/versions.gradle b/versions.gradle
index 13b7f93..9877115 100644
--- a/versions.gradle
+++ b/versions.gradle
@@ -1,7 +1,7 @@
 //App 
 def app_version = [:]
-app_version.versionCode = 31
-app_version.versionName = "2.1.0"
+app_version.versionCode = 32
+app_version.versionName = "2.1.1"
 ext.app_version = app_version
 
 //build version
@@ -36,7 +36,7 @@ versions.coreKtx = "1.3.2"
 //zxing
 versions.zxing = "3.3.3"
 
-versions.camerax = "1.0.0"
+versions.camerax = "1.0.1"
 
 versions.easypermissions = "3.0.0"
 
@@ -69,7 +69,7 @@ deps.zxing = "com.google.zxing:core:$versions.zxing"
 deps.camera_core = "androidx.camera:camera-core:$versions.camerax"
 deps.camera_camera2 = "androidx.camera:camera-camera2:$versions.camerax"
 deps.camera_lifecycle = "androidx.camera:camera-lifecycle:$versions.camerax"
-deps.camera_view = "androidx.camera:camera-view:1.0.0-alpha25"
+deps.camera_view = "androidx.camera:camera-view:1.0.0-alpha27"
 
 
 //permission
diff --git a/zxing-lite/src/main/java/com/king/zxing/config/AspectRatioCameraConfig.java b/zxing-lite/src/main/java/com/king/zxing/config/AspectRatioCameraConfig.java
index bdabd49..269716e 100644
--- a/zxing-lite/src/main/java/com/king/zxing/config/AspectRatioCameraConfig.java
+++ b/zxing-lite/src/main/java/com/king/zxing/config/AspectRatioCameraConfig.java
@@ -13,7 +13,7 @@ import androidx.camera.core.ImageAnalysis;
 import androidx.camera.core.Preview;
 
 /**
- * 相机配置：根据纵横比配置相机，使预览和输出的图像尽可能的接近屏幕比例
+ * 相机配置：根据纵横比配置相机，使输出分析的图像尽可能的接近屏幕比例
  * @author <a href="mailto:jenly1314@gmail.com">Jenly</a>
  */
 public final class AspectRatioCameraConfig extends CameraConfig {
@@ -43,7 +43,6 @@ public final class AspectRatioCameraConfig extends CameraConfig {
     @NonNull
     @Override
     public Preview options(@NonNull Preview.Builder builder) {
-        builder.setTargetAspectRatio(mAspectRatio);
         return super.options(builder);
     }
 
diff --git a/zxing-lite/src/main/java/com/king/zxing/config/ResolutionCameraConfig.java b/zxing-lite/src/main/java/com/king/zxing/config/ResolutionCameraConfig.java
index 097cdd8..b783641 100644
--- a/zxing-lite/src/main/java/com/king/zxing/config/ResolutionCameraConfig.java
+++ b/zxing-lite/src/main/java/com/king/zxing/config/ResolutionCameraConfig.java
@@ -13,7 +13,7 @@ import androidx.camera.core.ImageAnalysis;
 import androidx.camera.core.Preview;
 
 /**
- * 相机配置：根据尺寸配置相机的目标图像，使预览和输出的图像尽可能的接近屏幕尺寸
+ * 相机配置：根据尺寸配置相机的目标图像，使输出分析的图像尽可能的接近屏幕尺寸
  * @author <a href="mailto:jenly1314@gmail.com">Jenly</a>
  */
 public class ResolutionCameraConfig extends CameraConfig {
@@ -54,7 +54,6 @@ public class ResolutionCameraConfig extends CameraConfig {
     @NonNull
     @Override
     public Preview options(@NonNull Preview.Builder builder) {
-        builder.setTargetResolution(mTargetSize);
         return super.options(builder);
     }