diff --git a/app/build.gradle b/app/build.gradle
index 1d7983829..85aafc788 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,7 +9,7 @@ android {
     defaultConfig {
         applicationId "com.fongmi.android.tv"
         minSdk 21
-        targetSdk 29
+        targetSdk 28
         javaCompileOptions {
             annotationProcessorOptions {
                 arguments = ["room.schemaLocation": "$projectDir/schemas".toString()]
diff --git a/app/src/mobile/AndroidManifest.xml b/app/src/mobile/AndroidManifest.xml
index 60df34071..a49216cf0 100644
--- a/app/src/mobile/AndroidManifest.xml
+++ b/app/src/mobile/AndroidManifest.xml
@@ -2,6 +2,10 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.fongmi.android.tv">
 
+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="false" />
+
     <uses-permission android:name="android.permission.CAMERA" />
 
     <application>
diff --git a/catvod/build.gradle b/catvod/build.gradle
index aa1865cfc..7066b79c2 100644
--- a/catvod/build.gradle
+++ b/catvod/build.gradle
@@ -7,7 +7,7 @@ android {
 
     defaultConfig {
         minSdk 21
-        targetSdk 29
+        targetSdk 28
     }
 }
 
diff --git a/drpy/build.gradle b/drpy/build.gradle
index aea6107ff..9d5edd10c 100644
--- a/drpy/build.gradle
+++ b/drpy/build.gradle
@@ -7,7 +7,7 @@ android {
 
     defaultConfig {
         minSdk 21
-        targetSdk 29
+        targetSdk 28
     }
 }
 
diff --git a/forcetech/build.gradle b/forcetech/build.gradle
index 0afc85af2..6b02e8dc7 100644
--- a/forcetech/build.gradle
+++ b/forcetech/build.gradle
@@ -7,7 +7,7 @@ android {
 
     defaultConfig {
         minSdk 21
-        targetSdk 29
+        targetSdk 28
         //noinspection ChromeOsAbiSupport
         ndk { abiFilters "armeabi-v7a" }
     }
diff --git a/ijkplayer/build.gradle b/ijkplayer/build.gradle
index c237a0ff8..ccc5bd5a9 100644
--- a/ijkplayer/build.gradle
+++ b/ijkplayer/build.gradle
@@ -7,7 +7,7 @@ android {
 
     defaultConfig {
         minSdk 21
-        targetSdk 29
+        targetSdk 28
     }
 }
 
diff --git a/pyramid/build.gradle b/pyramid/build.gradle
index bbf536ab5..54854a8a3 100644
--- a/pyramid/build.gradle
+++ b/pyramid/build.gradle
@@ -9,7 +9,7 @@ android {
 
     defaultConfig {
         minSdk 21
-        targetSdk 29
+        targetSdk 28
         python {
             buildPython "C:/Users/FongMi.DIREK/Anaconda3/envs/py38/python.exe"
             pip {
diff --git a/tvbus/build.gradle b/tvbus/build.gradle
index 0afc85af2..6b02e8dc7 100644
--- a/tvbus/build.gradle
+++ b/tvbus/build.gradle
@@ -7,7 +7,7 @@ android {
 
     defaultConfig {
         minSdk 21
-        targetSdk 29
+        targetSdk 28
         //noinspection ChromeOsAbiSupport
         ndk { abiFilters "armeabi-v7a" }
     }
diff --git a/zlive/build.gradle b/zlive/build.gradle
index dee83f308..8f3cba6ec 100644
--- a/zlive/build.gradle
+++ b/zlive/build.gradle
@@ -7,7 +7,7 @@ android {
 
     defaultConfig {
         minSdk 21
-        targetSdk 29
+        targetSdk 28
         //noinspection ChromeOsAbiSupport
         ndk { abiFilters "armeabi-v7a" }
     }