diff --git a/app/src/main/java/io/legado/app/ui/widget/BatteryView.kt b/app/src/main/java/io/legado/app/ui/widget/BatteryView.kt
index 6d313db51..ee89e04e6 100644
--- a/app/src/main/java/io/legado/app/ui/widget/BatteryView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/BatteryView.kt
@@ -67,7 +67,7 @@ class BatteryView @JvmOverloads constructor(
         layout.getLineBounds(0, outFrame)
         val batteryStart = layout
             .getPrimaryHorizontal(text.length - battery.toString().length)
-            .toInt() + 3.dp
+            .toInt() + 2.dp
         val batteryEnd =
             batteryStart + StaticLayout.getDesiredWidth(battery.toString(), paint).toInt() + 4.dp
         outFrame.set(
diff --git a/build.gradle b/build.gradle
index 242612614..933a8c530 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,7 +13,7 @@ buildscript {
         //maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.1.1'
+        classpath 'com.android.tools.build:gradle:7.1.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath 'de.timfreiheit.resourceplaceholders:placeholders:0.4'
         classpath 'de.undercouch:gradle-download-task:4.1.2'