diff --git a/backend/codegen/src/main/kotlin/net/mamoe/mirai/console/codegen/Codegen.kt b/backend/codegen/src/main/kotlin/net/mamoe/mirai/console/codegen/Codegen.kt
index f79214b89..cc1486ef2 100644
--- a/backend/codegen/src/main/kotlin/net/mamoe/mirai/console/codegen/Codegen.kt
+++ b/backend/codegen/src/main/kotlin/net/mamoe/mirai/console/codegen/Codegen.kt
@@ -53,14 +53,14 @@ class CodegenScope : MutableList<Replacer> by mutableListOf() {
     @RegionCodegenDsl
     operator fun RegionCodegen.invoke(ktTypes: Collection<KtType>) {
         add(Replacer {
-            it.replace(Regex("""//// region $regionName CODEGEN START ////([\s\S]*?)//// endregion $regionName CODEGEN END ////""")) {
+            it.replace(Regex("""//// region $regionName CODEGEN ////([\s\S]*?)//// endregion $regionName CODEGEN ////""")) {
                 val code = CodegenScope().apply { (this@invoke as Codegen).invoke(*ktTypes.toTypedArray()) }.applyTo("")
                 """
-                        |//// region $regionName CODEGEN START ////
+                        |//// region $regionName CODEGEN ////
                         |
                         |$code
                         |
-                        |//// endregion $regionName CODEGEN END ////
+                        |//// endregion $regionName CODEGEN ////
                     """.trimMargin()
             }
         })
diff --git a/backend/codegen/src/main/kotlin/net/mamoe/mirai/console/codegen/util.kt b/backend/codegen/src/main/kotlin/net/mamoe/mirai/console/codegen/util.kt
index 247a8ced0..1d2b9da28 100644
--- a/backend/codegen/src/main/kotlin/net/mamoe/mirai/console/codegen/util.kt
+++ b/backend/codegen/src/main/kotlin/net/mamoe/mirai/console/codegen/util.kt
@@ -92,8 +92,8 @@ val KtType.lowerCaseName: String get() = this.standardName.toLowerCase()
 inline fun kCode(@Language("kt") source: String) = source.trimIndent()
 
 fun codegen(targetFile: String, block: CodegenScope.() -> Unit) {
-    //// region PrimitiveValue CODEGEN START ////
-    //// region PrimitiveValue CODEGEN END ////
+    //// region PrimitiveValue CODEGEN ////
+    //// region PrimitiveValue CODEGEN ////
 
     targetFile.findFileSmart().also {
         println("Codegen target: ${it.absolutePath}")
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/Setting.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/Setting.kt
index c6d68e2cf..2d32ddefc 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/Setting.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/Setting.kt
@@ -40,13 +40,13 @@ internal abstract class SettingImpl {
 }
 
 
-//// region Setting.value primitives CODEGEN START ////
+//// region Setting.value primitives CODEGEN ////
 
 // TODO: 2020/6/19 CODEGEN
 
 fun Setting.value(value: Int): IntValue = TODO("codegen")
 
-//// endregion Setting.value primitives CODEGEN END ////
+//// endregion Setting.value primitives CODEGEN ////
 
 
 /**
diff --git a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/Value.kt b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/Value.kt
index 14d29c8e8..8dee45afd 100644
--- a/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/Value.kt
+++ b/backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/Value.kt
@@ -7,7 +7,7 @@
  * https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
-@file:Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
+@file:Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER", "unused")
 
 package net.mamoe.mirai.console.setting
 
@@ -48,7 +48,7 @@ typealias ValueSerializer<T> = KSerializer<Value<T>>
 interface PrimitiveValue<T> : Value<T>
 
 
-//// region PrimitiveValues CODEGEN START ////
+//// region PrimitiveValues CODEGEN ////
 
 /**
  * Represents a non-null [Byte] value.
@@ -96,7 +96,7 @@ interface BooleanValue : PrimitiveValue<Boolean>
 interface StringValue : PrimitiveValue<String>
 
 
-//// endregion PrimitiveValues CODEGEN END ////
+//// endregion PrimitiveValues CODEGEN ////
 
 
 @MiraiExperimentalAPI
@@ -120,13 +120,13 @@ interface CompositeListValue<T> : ListValue<Value<T>>
 interface PrimitiveListValue<T> : ListValue<T>
 
 
-//// region PrimitiveListValue CODEGEN START ////
+//// region PrimitiveListValue CODEGEN ////
 
 interface PrimitiveIntListValue<T> : PrimitiveListValue<T>
 interface PrimitiveLongListValue<T> : PrimitiveListValue<T>
 // TODO + codegen
 
-//// endregion PrimitiveListValue CODEGEN END ////
+//// endregion PrimitiveListValue CODEGEN ////
 
 
 /**
@@ -147,13 +147,13 @@ interface CompositeSetValue<T> : SetValue<Value<T>>
 interface PrimitiveSetValue<T> : SetValue<T>
 
 
-//// region PrimitiveSetValue CODEGEN START ////
+//// region PrimitiveSetValue CODEGEN ////
 
 interface PrimitiveIntSetValue<T> : PrimitiveSetValue<T>
 interface PrimitiveLongSetValue<T> : PrimitiveSetValue<T>
 // TODO + codegen
 
-//// endregion PrimitiveSetValue CODEGEN END ////
+//// endregion PrimitiveSetValue CODEGEN ////
 
 
 /**
@@ -166,13 +166,13 @@ interface CompositeMapValue<K, V> : MapValue<Value<K>, Value<V>>
 interface PrimitiveMapValue<K, V> : MapValue<K, V>
 
 
-//// region PrimitiveMapValue CODEGEN START ////
+//// region PrimitiveMapValue CODEGEN ////
 
 interface PrimitiveIntIntMapValue : PrimitiveMapValue<Int, Int>
 interface PrimitiveIntLongMapValue : PrimitiveMapValue<Int, Long>
 // TODO + codegen
 
-//// endregion PrimitiveSetValue CODEGEN END ////
+//// endregion PrimitiveSetValue CODEGEN ////