diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt
index 9a98265d5..7dba94838 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/Member.kt
@@ -77,21 +77,39 @@ enum class MemberPermission {
     MEMBER;
 }
 
+/**
+ * 是群主
+ */
 @Suppress("NOTHING_TO_INLINE")
 inline fun MemberPermission.isOwner(): Boolean = this == MemberPermission.OWNER
 
+/**
+ * 是管理员
+ */
 @Suppress("NOTHING_TO_INLINE")
 inline fun MemberPermission.isAdministrator(): Boolean = this == MemberPermission.ADMINISTRATOR
 
+/**
+ * 是管理员或群主
+ */
 @Suppress("NOTHING_TO_INLINE")
-inline fun MemberPermission.isAdministratorOrOwner(): Boolean = isAdministrator() || isOwner()
+inline fun MemberPermission.isOperator(): Boolean = isAdministrator() || isOwner()
 
 
+/**
+ * 是群主
+ */
 @Suppress("NOTHING_TO_INLINE")
 inline fun Member.isOwner(): Boolean = this.permission.isOwner()
 
+/**
+ * 是管理员
+ */
 @Suppress("NOTHING_TO_INLINE")
 inline fun Member.isAdministrator(): Boolean = this.permission.isAdministrator()
 
+/**
+ * 时管理员或群主
+ */
 @Suppress("NOTHING_TO_INLINE")
-inline fun Member.isAdministratorOrOwner(): Boolean = this.permission.isAdministratorOrOwner()
\ No newline at end of file
+inline fun Member.isOperator(): Boolean = this.permission.isOperator()
\ No newline at end of file
diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/internal/ContactImpl.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/internal/ContactImpl.kt
index 839548bb2..a85024334 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/internal/ContactImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/contact/internal/ContactImpl.kt
@@ -135,7 +135,7 @@ internal data class MemberImpl(private val delegate: QQ, override val group: Gro
 
         when (group.getMember(bot.qqAccount).permission) {
             MemberPermission.MEMBER -> return false
-            MemberPermission.OPERATOR -> if (permission == MemberPermission.OPERATOR) return false
+            MemberPermission.ADMINISTRATOR -> if (permission == MemberPermission.ADMINISTRATOR) return false
             MemberPermission.OWNER -> {
             }
         }