diff --git a/app/src/main/java/io/legado/app/help/permission/PermissionsCompat.kt b/app/src/main/java/io/legado/app/help/permission/PermissionsCompat.kt
index 4bbed5991..17104108b 100644
--- a/app/src/main/java/io/legado/app/help/permission/PermissionsCompat.kt
+++ b/app/src/main/java/io/legado/app/help/permission/PermissionsCompat.kt
@@ -1,11 +1,9 @@
 package io.legado.app.help.permission
 
-import android.os.Build
 import androidx.annotation.StringRes
 import androidx.appcompat.app.AppCompatActivity
 import androidx.fragment.app.Fragment
-import org.jetbrains.anko.startActivity
-import java.util.ArrayList
+import java.util.*
 
 class PermissionsCompat private constructor() {
 
@@ -18,7 +16,7 @@ class PermissionsCompat private constructor() {
     companion object {
         // 检查权限, 如果已经拥有返回 true
         fun check(activity: AppCompatActivity, vararg permissions: String): Boolean {
-            var request: Request = Request(activity)
+            var request = Request(activity)
             var pers = ArrayList<String>()
             pers.addAll(listOf(*permissions))
             var data = request.getDeniedPermissions(pers.toTypedArray())