diff --git a/sqllin-dsl/src/commonMain/kotlin/com/ctrip/sqllin/dsl/DatabaseScope.kt b/sqllin-dsl/src/commonMain/kotlin/com/ctrip/sqllin/dsl/DatabaseScope.kt
index 2e3a3fc..41b2d9d 100644
--- a/sqllin-dsl/src/commonMain/kotlin/com/ctrip/sqllin/dsl/DatabaseScope.kt
+++ b/sqllin-dsl/src/commonMain/kotlin/com/ctrip/sqllin/dsl/DatabaseScope.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 Ctrip.com.
+ * Copyright (C) 2023 Ctrip.com.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/sqllin-dsl/src/commonTest/kotlin/com/ctrip/sqllin/dsl/Entities.kt b/sqllin-dsl/src/commonTest/kotlin/com/ctrip/sqllin/dsl/Entities.kt
index 40dd0b4..73451d1 100644
--- a/sqllin-dsl/src/commonTest/kotlin/com/ctrip/sqllin/dsl/Entities.kt
+++ b/sqllin-dsl/src/commonTest/kotlin/com/ctrip/sqllin/dsl/Entities.kt
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package com.ctrip.sqllin.dsl
 
 import com.ctrip.sqllin.dsl.annotation.DBRow
diff --git a/sqllin-dsl/src/commonTest/kotlin/com/ctrip/sqllin/dsl/TestPrimitiveTypeForKSP.kt b/sqllin-dsl/src/commonTest/kotlin/com/ctrip/sqllin/dsl/TestPrimitiveTypeForKSP.kt
index 154f405..cc8f974 100644
--- a/sqllin-dsl/src/commonTest/kotlin/com/ctrip/sqllin/dsl/TestPrimitiveTypeForKSP.kt
+++ b/sqllin-dsl/src/commonTest/kotlin/com/ctrip/sqllin/dsl/TestPrimitiveTypeForKSP.kt
@@ -1,8 +1,29 @@
+/*
+ * Copyright (C) 2023 Ctrip.com.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.ctrip.sqllin.dsl
 
 import com.ctrip.sqllin.dsl.annotation.DBRow
 import kotlinx.serialization.Serializable
 
+/**
+ * Test whether the sqllin-processor could generate primitive type and String correctly
+ * @author yaqiao
+ */
+
 @DBRow
 @Serializable
 data class TestPrimitiveTypeForKSP(