diff --git a/mirai-console/backend/mirai-console/compatibility-validation/jvm/api/jvm.api b/mirai-console/backend/mirai-console/compatibility-validation/jvm/api/jvm.api
index 8561def1f..9ff25a02d 100644
--- a/mirai-console/backend/mirai-console/compatibility-validation/jvm/api/jvm.api
+++ b/mirai-console/backend/mirai-console/compatibility-validation/jvm/api/jvm.api
@@ -1784,6 +1784,7 @@ public abstract interface class net/mamoe/mirai/console/permission/PermitteeId {
 	public static fun getAllParentsWithSelf (Lnet/mamoe/mirai/console/permission/PermitteeId;)Lkotlin/sequences/Sequence;
 	public abstract fun getDirectParents ()[Lnet/mamoe/mirai/console/permission/PermitteeId;
 	public static fun hasChild (Lnet/mamoe/mirai/console/permission/PermitteeId;Lnet/mamoe/mirai/console/permission/PermitteeId;)Z
+	public static fun isChildOf (Lnet/mamoe/mirai/console/permission/PermitteeId;Lnet/mamoe/mirai/console/permission/PermitteeId;)Z
 }
 
 public final class net/mamoe/mirai/console/permission/PermitteeId$Companion {
@@ -1796,6 +1797,7 @@ public final class net/mamoe/mirai/console/permission/PermitteeId$Companion {
 	public final synthetic fun getPermitteeId (Lnet/mamoe/mirai/contact/User;)Lnet/mamoe/mirai/console/permission/AbstractPermitteeId$ExactUser;
 	public final synthetic fun getPermitteeIdOnTemp (Lnet/mamoe/mirai/contact/Member;)Lnet/mamoe/mirai/console/permission/AbstractPermitteeId$ExactGroupTemp;
 	public final fun hasChild (Lnet/mamoe/mirai/console/permission/PermitteeId;Lnet/mamoe/mirai/console/permission/PermitteeId;)Z
+	public final fun isChildOf (Lnet/mamoe/mirai/console/permission/PermitteeId;Lnet/mamoe/mirai/console/permission/PermitteeId;)Z
 }
 
 public abstract interface class net/mamoe/mirai/console/plugin/NotYetLoadedPlugin : net/mamoe/mirai/console/plugin/Plugin {
diff --git a/mirai-console/backend/mirai-console/src/internal/permission/AbstractConcurrentPermissionService.kt b/mirai-console/backend/mirai-console/src/internal/permission/AbstractConcurrentPermissionService.kt
index 53c5bee19..ac9fc410f 100644
--- a/mirai-console/backend/mirai-console/src/internal/permission/AbstractConcurrentPermissionService.kt
+++ b/mirai-console/backend/mirai-console/src/internal/permission/AbstractConcurrentPermissionService.kt
@@ -13,7 +13,7 @@ import net.mamoe.mirai.console.data.PluginDataExtensions
 import net.mamoe.mirai.console.permission.*
 import net.mamoe.mirai.console.permission.Permission.Companion.parentsWithSelf
 import net.mamoe.mirai.console.permission.PermitteeId.Companion.allParentsWithSelf
-import net.mamoe.mirai.console.permission.PermitteeId.Companion.hasChild
+import net.mamoe.mirai.console.permission.PermitteeId.Companion.isChildOf
 
 internal abstract class AbstractConcurrentPermissionService<P : Permission> : PermissionService<P> {
     protected abstract val permissions: MutableMap<PermissionId, P>
@@ -75,7 +75,7 @@ internal abstract class AbstractConcurrentPermissionService<P : Permission> : Pe
     override fun getPermittedPermissions(permitteeId: PermitteeId): Sequence<P> = sequence {
         for ((permissionIdentifier, permissibleIdentifiers) in grantedPermissionsMap) {
 
-            val granted = permissibleIdentifiers.any { permitteeId.hasChild(it) }
+            val granted = permissibleIdentifiers.any { permitteeId.isChildOf(it) }
 
             if (granted) get(permissionIdentifier)?.let { yield(it) }
         }
@@ -84,7 +84,7 @@ internal abstract class AbstractConcurrentPermissionService<P : Permission> : Pe
     internal fun getPermittedPermissionsAndSource(permitteeId: PermitteeId): Sequence<Pair<PermitteeId, P>> = sequence {
         for ((permissionIdentifier, permissibleIdentifiers) in grantedPermissionsMap) {
             permissibleIdentifiers.forEach { pid ->
-                if (permitteeId.hasChild(pid)) {
+                if (permitteeId.isChildOf(pid)) {
                     get(permissionIdentifier)?.let { yield(pid to it) }
                 }
             }
diff --git a/mirai-console/backend/mirai-console/src/permission/PermitteeId.kt b/mirai-console/backend/mirai-console/src/permission/PermitteeId.kt
index f514fe4ae..e20d628bc 100644
--- a/mirai-console/backend/mirai-console/src/permission/PermitteeId.kt
+++ b/mirai-console/backend/mirai-console/src/permission/PermitteeId.kt
@@ -48,13 +48,19 @@ public interface PermitteeId {
 
     public companion object {
         /**
-         * 当 [this] 或 [this] 的任意一个直接或间接父 [PermitteeId.asString] 与 `this.asString` 相同时返回 `true`
+         * 当 [this] 或 [this] 的任意一个直接或间接父 [PermitteeId.asString] 与 `parent.asString` 相同时返回 `true`
+         *
+         * @since 2.16
          */
         @JvmStatic
-        public fun PermitteeId.hasChild(child: PermitteeId): Boolean {
-            return allParentsWithSelf.any { it.asString() == child.asString() } // asString is for compatibility issue with external implementations
+        public fun PermitteeId.isChildOf(parent: PermitteeId): Boolean {
+            return allParentsWithSelf.any { it.asString() == parent.asString() } // asString is for compatibility issue with external implementations
         }
 
+        @JvmStatic
+        @DeprecatedSinceMirai(warningSince = "2.16")
+        public fun PermitteeId.hasChild(child: PermitteeId): Boolean = isChildOf(child)
+
         /**
          * 获取所有直接或间接父类的 [PermitteeId].
          */