diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/MiraiConsoleImplementationBridge.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/MiraiConsoleImplementationBridge.kt
index aad6f4bb4..ab0de0ac4 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/MiraiConsoleImplementationBridge.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/MiraiConsoleImplementationBridge.kt
@@ -25,7 +25,7 @@ import net.mamoe.mirai.console.command.ConsoleCommandSender
 import net.mamoe.mirai.console.data.PluginDataStorage
 import net.mamoe.mirai.console.internal.plugin.CuiPluginCenter
 import net.mamoe.mirai.console.internal.plugin.PluginManagerImpl
-import net.mamoe.mirai.console.internal.utils.ConsoleBuiltInPluginDataStorage
+import net.mamoe.mirai.console.internal.util.ConsoleBuiltInPluginDataStorage
 import net.mamoe.mirai.console.plugin.PluginLoader
 import net.mamoe.mirai.console.plugin.PluginManager
 import net.mamoe.mirai.console.plugin.center.PluginCenter
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/utils/BotManagerImpl.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/util/BotManagerImpl.kt
similarity index 98%
rename from backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/utils/BotManagerImpl.kt
rename to backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/util/BotManagerImpl.kt
index 85b6347b3..0d5c44c8f 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/utils/BotManagerImpl.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/util/BotManagerImpl.kt
@@ -9,7 +9,7 @@
 
 @file:Suppress("MemberVisibilityCanBePrivate")
 
-package net.mamoe.mirai.console.internal.utils
+package net.mamoe.mirai.console.internal.util
 
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Job
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/util/JavaPluginSchedulerImpl.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/util/JavaPluginSchedulerImpl.kt
new file mode 100644
index 000000000..fcbbf5ead
--- /dev/null
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/util/JavaPluginSchedulerImpl.kt
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2019-2020 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 with Mamoe Exceptions 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AFFERO GENERAL PUBLIC LICENSE version 3 with Mamoe Exceptions license that can be found via the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+package net.mamoe.mirai.console.internal.util
+
+import kotlinx.coroutines.*
+import kotlinx.coroutines.future.future
+import net.mamoe.mirai.console.util.JavaPluginScheduler
+import java.util.concurrent.Callable
+import java.util.concurrent.CompletableFuture
+import java.util.concurrent.Future
+import kotlin.coroutines.CoroutineContext
+
+internal class JavaPluginSchedulerImpl internal constructor(parentCoroutineContext: CoroutineContext) : CoroutineScope,
+    JavaPluginScheduler {
+    override val coroutineContext: CoroutineContext =
+        parentCoroutineContext + SupervisorJob(parentCoroutineContext[Job])
+
+    override fun repeating(intervalMs: Long, runnable: Runnable): Future<Void?> {
+        return this.future {
+            while (isActive) {
+                withContext(Dispatchers.IO) { runnable.run() }
+                delay(intervalMs)
+            }
+            null
+        }
+    }
+
+    override fun delayed(delayMillis: Long, runnable: Runnable): CompletableFuture<Void?> {
+        return future {
+            delay(delayMillis)
+            withContext(Dispatchers.IO) {
+                runnable.run()
+            }
+            null
+        }
+    }
+
+    override fun <R> delayed(delayMillis: Long, runnable: Callable<R>): CompletableFuture<Void?> {
+        return future {
+            delay(delayMillis)
+            withContext(Dispatchers.IO) { runnable.call() }
+            null
+        }
+    }
+
+    override fun <R> async(supplier: Callable<R>): Future<R> {
+        return future {
+            withContext(Dispatchers.IO) { supplier.call() }
+        }
+    }
+
+    override fun async(runnable: Runnable): Future<Void?> {
+        return future {
+            withContext(Dispatchers.IO) { runnable.run() }
+            null
+        }
+    }
+}
\ No newline at end of file
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/Annotations.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/Annotations.kt
index 0a4b1f632..8f4776b45 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/Annotations.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/Annotations.kt
@@ -7,6 +7,9 @@
  * https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
+@file:JvmMultifileClass
+@file:JvmName("ConsoleUtils")
+
 package net.mamoe.mirai.console.util
 
 import kotlin.annotation.AnnotationTarget.*
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/BotManager.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/BotManager.kt
index 5a4c2fe7e..7290d0918 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/BotManager.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/BotManager.kt
@@ -8,11 +8,13 @@
  */
 
 @file:Suppress("NOTHING_TO_INLINE")
+@file:JvmMultifileClass
+@file:JvmName("ConsoleUtils")
 
 package net.mamoe.mirai.console.util
 
 import net.mamoe.mirai.Bot
-import net.mamoe.mirai.console.internal.utils.BotManagerImpl
+import net.mamoe.mirai.console.internal.util.BotManagerImpl
 import net.mamoe.mirai.contact.User
 
 public interface BotManager {
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/ConsoleInput.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/ConsoleInput.kt
index f6a54bb26..eb40973bf 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/ConsoleInput.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/ConsoleInput.kt
@@ -8,6 +8,8 @@
  */
 
 @file:Suppress("INAPPLICABLE_JVM_NAME", "unused")
+@file:JvmMultifileClass
+@file:JvmName("ConsoleUtils")
 
 package net.mamoe.mirai.console.util
 
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/JavaPluginScheduler.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/JavaPluginScheduler.kt
index 57d55e682..17bfe23e3 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/JavaPluginScheduler.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/JavaPluginScheduler.kt
@@ -7,10 +7,14 @@
  * https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
+@file:JvmMultifileClass
+@file:JvmName("ConsoleUtils")
+
 package net.mamoe.mirai.console.util
 
-import kotlinx.coroutines.*
-import kotlinx.coroutines.future.future
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Runnable
+import net.mamoe.mirai.console.internal.util.JavaPluginSchedulerImpl
 import net.mamoe.mirai.console.plugin.jvm.JavaPlugin
 import java.util.concurrent.Callable
 import java.util.concurrent.CompletableFuture
@@ -19,16 +23,13 @@ import kotlin.coroutines.CoroutineContext
 
 
 /**
- * 拥有生命周期管理的 Java 线程池.
+ * 拥有生命周期管理的简单 Java 线程池.
  *
  * 在插件被 [卸载][JavaPlugin.onDisable] 时将会自动停止.
  *
  * @see JavaPlugin.scheduler 获取实例
  */
-public class JavaPluginScheduler internal constructor(parentCoroutineContext: CoroutineContext) : CoroutineScope {
-    public override val coroutineContext: CoroutineContext =
-        parentCoroutineContext + SupervisorJob(parentCoroutineContext[Job])
-
+public interface JavaPluginScheduler : CoroutineScope {
     /**
      * 新增一个 Repeating Task (定时任务)
      *
@@ -36,60 +37,39 @@ public class JavaPluginScheduler internal constructor(parentCoroutineContext: Co
      *
      * @see Future.cancel 取消这个任务
      */
-    public fun repeating(intervalMs: Long, runnable: Runnable): Future<Void?> {
-        return this.future {
-            while (isActive) {
-                withContext(Dispatchers.IO) { runnable.run() }
-                delay(intervalMs)
-            }
-            null
-        }
-    }
+    public fun repeating(intervalMs: Long, runnable: Runnable): Future<Void?>
 
     /**
      * 新增一个 Delayed Task (延迟任务)
      *
      * 在延迟 [delayMillis] 后执行 [runnable]
      */
-    public fun delayed(delayMillis: Long, runnable: Runnable): CompletableFuture<Void?> {
-        return future {
-            delay(delayMillis)
-            withContext(Dispatchers.IO) {
-                runnable.run()
-            }
-            null
-        }
-    }
+    public fun delayed(delayMillis: Long, runnable: Runnable): CompletableFuture<Void?>
 
     /**
      * 新增一个 Delayed Task (延迟任务)
      *
      * 在延迟 [delayMillis] 后执行 [runnable]
      */
-    public fun <R> delayed(delayMillis: Long, runnable: Callable<R>): CompletableFuture<Void?> {
-        return future {
-            delay(delayMillis)
-            withContext(Dispatchers.IO) { runnable.call() }
-            null
-        }
-    }
+    public fun <R> delayed(delayMillis: Long, runnable: Callable<R>): CompletableFuture<Void?>
 
     /**
      * 异步执行一个任务, 最终返回 [Future], 与 Java 使用方法无异, 但效率更高且可以在插件关闭时停止
      */
-    public fun <R> async(supplier: Callable<R>): Future<R> {
-        return future {
-            withContext(Dispatchers.IO) { supplier.call() }
-        }
-    }
+    public fun <R> async(supplier: Callable<R>): Future<R>
 
     /**
      * 异步执行一个任务, 没有返回
      */
-    public fun async(runnable: Runnable): Future<Void?> {
-        return future {
-            withContext(Dispatchers.IO) { runnable.run() }
-            null
-        }
+    public fun async(runnable: Runnable): Future<Void?>
+
+    public companion object {
+        /**
+         * 创建一个 [JavaPluginScheduler]
+         */
+        @JvmStatic
+        @JvmName("create")
+        public operator fun invoke(parentCoroutineContext: CoroutineContext): JavaPluginScheduler =
+            JavaPluginSchedulerImpl(parentCoroutineContext)
     }
 }
\ No newline at end of file
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/retryCatching.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/retryCatching.kt
index e62934e3b..765a18152 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/retryCatching.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/retryCatching.kt
@@ -8,6 +8,8 @@
  */
 
 @file:Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE", "RESULT_CLASS_IN_RETURN_TYPE")
+@file:JvmMultifileClass
+@file:JvmName("ConsoleUtils")
 
 package net.mamoe.mirai.console.util