diff --git a/app/src/main/java/com/lt2333/simplicitytools/hook/app/SystemUI.kt b/app/src/main/java/com/lt2333/simplicitytools/hook/app/SystemUI.kt
index 3914eb26..f28ef883 100644
--- a/app/src/main/java/com/lt2333/simplicitytools/hook/app/SystemUI.kt
+++ b/app/src/main/java/com/lt2333/simplicitytools/hook/app/SystemUI.kt
@@ -60,6 +60,8 @@ class SystemUI : IXposedHookLoadPackage {
         DoubleLineNetworkSpeed().handleLoadPackage(lpparam)
         //大移动类型
         StatusBarBigMobileTypeIcon().handleLoadPackage(lpparam)
+        //电量百分比
+        BatteryPercentage().handleLoadPackage(lpparam)
     }
 
 }
diff --git a/app/src/main/java/com/lt2333/simplicitytools/hook/app/systemui/BatteryPercentage.kt b/app/src/main/java/com/lt2333/simplicitytools/hook/app/systemui/BatteryPercentage.kt
new file mode 100644
index 00000000..b4da195f
--- /dev/null
+++ b/app/src/main/java/com/lt2333/simplicitytools/hook/app/systemui/BatteryPercentage.kt
@@ -0,0 +1,24 @@
+package com.lt2333.simplicitytools.hook.app.systemui
+
+import android.util.TypedValue
+import android.widget.TextView
+import com.lt2333.simplicitytools.util.XSPUtils
+import com.lt2333.simplicitytools.util.getObjectField
+import com.lt2333.simplicitytools.util.hookAfterMethod
+import de.robv.android.xposed.IXposedHookLoadPackage
+import de.robv.android.xposed.callbacks.XC_LoadPackage
+
+class BatteryPercentage : IXposedHookLoadPackage {
+    override fun handleLoadPackage(lpparam: XC_LoadPackage.LoadPackageParam) {
+        val size = XSPUtils.getFloat("battery_percentage_font_size", 0f)
+        if (size == 0f) return
+        "com.android.systemui.statusbar.views.MiuiBatteryMeterView".hookAfterMethod(
+            lpparam.classLoader,
+            "updateResources"
+        ) {
+            (it.thisObject.getObjectField("mBatteryPercentView") as TextView).setTextSize(
+                TypedValue.COMPLEX_UNIT_DIP, size
+            )
+        }
+    }
+}
\ No newline at end of file