diff --git a/app/build.gradle b/app/build.gradle
index fd8ca42..7ecf917 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,7 +5,7 @@ plugins {
 
 android {
     compileSdkVersion 30
-    buildToolsVersion = "31.0.0-rc2"
+    buildToolsVersion = "30.0.3"
     ndkVersion "22.1.7171670"
     defaultConfig {
         applicationId "cn.zerokirby.note"
diff --git a/base/build.gradle b/base/build.gradle
index 9afeb89..44e83fe 100644
--- a/base/build.gradle
+++ b/base/build.gradle
@@ -5,7 +5,7 @@ plugins {
 
 android {
     compileSdkVersion 30
-    buildToolsVersion "31.0.0-rc2"
+    buildToolsVersion "30.0.3"
 
     defaultConfig {
         minSdkVersion 21
diff --git a/language/build.gradle b/language/build.gradle
index a146f1c..2eee4a2 100644
--- a/language/build.gradle
+++ b/language/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'kotlin-android'
 
 android {
     compileSdkVersion 30
-    buildToolsVersion "31.0.0-rc2"
+    buildToolsVersion "30.0.3"
 
 
     defaultConfig {
diff --git a/theme/build.gradle b/theme/build.gradle
index 4003cc0..8882b91 100644
--- a/theme/build.gradle
+++ b/theme/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'kotlin-android'
 
 android {
     compileSdkVersion 30
-    buildToolsVersion = '31.0.0-rc2'
+    buildToolsVersion = '30.0.3'
     defaultConfig {
         minSdkVersion 21
         targetSdkVersion 30