diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index 6cb315b..a36d6b9 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/app/build.gradle b/app/build.gradle
index a932671..11c1e21 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -51,12 +51,12 @@ def getVersionName(){
 def versionN = getVersionName()
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 29
     buildToolsVersion '30.0.3'
     defaultConfig {
         applicationId "xyz.fycz.myreader"
         minSdkVersion 21
-        targetSdkVersion 30
+        targetSdkVersion 29
         versionCode version
         versionName versionN
         testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'