diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/BuiltInPermissionServices.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/BuiltInPermissionServices.kt
index 42989b3c5..aa4a36d70 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/BuiltInPermissionServices.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/BuiltInPermissionServices.kt
@@ -12,6 +12,7 @@ package net.mamoe.mirai.console.permission
 import net.mamoe.mirai.console.data.AutoSavePluginConfig
 import java.util.concurrent.ConcurrentHashMap
 import kotlin.reflect.KClass
+import kotlin.reflect.full.createType
 
 
 @ExperimentalPermission
@@ -84,5 +85,9 @@ internal object BuiltInPermissionService : AbstractConcurrentPermissionService<P
         PermissionImpl(id, description, base)
 
     override val config: StorablePermissionService.ConcurrentSaveData<PermissionImpl> =
-        StorablePermissionService.ConcurrentSaveData("PermissionService", AutoSavePluginConfig())
+        StorablePermissionService.ConcurrentSaveData(
+            PermissionImpl::class.createType(),
+            "PermissionService",
+            AutoSavePluginConfig()
+        )
 }
\ No newline at end of file
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/StorablePermissionService.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/StorablePermissionService.kt
index e04bf965a..f0b37efba 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/StorablePermissionService.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/permission/StorablePermissionService.kt
@@ -3,8 +3,13 @@ package net.mamoe.mirai.console.permission
 import net.mamoe.mirai.console.data.PluginConfig
 import net.mamoe.mirai.console.data.PluginDataExtensions.withDefault
 import net.mamoe.mirai.console.data.value
+import net.mamoe.mirai.console.data.valueFromKType
 import java.util.concurrent.ConcurrentHashMap
 import java.util.concurrent.CopyOnWriteArrayList
+import kotlin.reflect.KType
+import kotlin.reflect.KTypeProjection
+import kotlin.reflect.KVariance
+import kotlin.reflect.full.createType
 
 @ExperimentalPermission
 public interface StorablePermissionService<P : Permission> : PermissionService<P> {
@@ -14,13 +19,34 @@ public interface StorablePermissionService<P : Permission> : PermissionService<P
     public val config: PluginConfig
 
     @ExperimentalPermission
-    public class ConcurrentSaveData<P : Permission>(
+    public class ConcurrentSaveData<P : Permission> private constructor(
+        permissionType: KType,
         public override val saveName: String,
-        delegate: PluginConfig
+        delegate: PluginConfig,
+        @Suppress("UNUSED_PARAMETER") primaryConstructorMark: Any?
     ) : PluginConfig by delegate {
-        public val permissions: MutableMap<PermissionId, P> by value<MutableMap<PermissionId, P>>(ConcurrentHashMap())
+        public val permissions: MutableMap<PermissionId, P>
+                by valueFromKType<MutableMap<PermissionId, P>>(
+                    MutableMap::class.createType(
+                        listOf(
+                            KTypeProjection(KVariance.INVARIANT, PermissionId::class.createType()),
+                            KTypeProjection(KVariance.INVARIANT, permissionType),
+                        )
+                    ),
+                    ConcurrentHashMap()
+                )
 
-        public val grantedPermissionMap: MutableMap<PermissionId, MutableCollection<PermissibleIdentifier>> by
-        value<MutableMap<PermissionId, MutableCollection<PermissibleIdentifier>>>(ConcurrentHashMap()).withDefault { CopyOnWriteArrayList() }
+        public val grantedPermissionMap: MutableMap<PermissionId, MutableCollection<PermissibleIdentifier>>
+                by value<MutableMap<PermissionId, MutableCollection<PermissibleIdentifier>>>(ConcurrentHashMap())
+                    .withDefault { CopyOnWriteArrayList() }
+
+        public companion object {
+            @JvmStatic
+            public operator fun <P : Permission> invoke(
+                permissionType: KType,
+                saveName: String,
+                delegate: PluginConfig,
+            ): ConcurrentSaveData<P> = ConcurrentSaveData(permissionType, saveName, delegate, null)
+        }
     }
 }