diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
index 44f93a1..bd5e86e 100644
--- a/.idea/inspectionProfiles/Project_Default.xml
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -13,5 +13,8 @@
         </list>
       </option>
     </inspection_tool>
+    <inspection_tool class="ShellCheck" enabled="true" level="ERROR" enabled_by_default="true">
+      <shellcheck_settings value="SC2317" />
+    </inspection_tool>
   </profile>
 </component>
\ No newline at end of file
diff --git a/src/backend/src/main/kotlin/club/itstudio/itmanager/mapper/typehandler/TimeTypeHandler.kt b/src/backend/src/main/kotlin/club/itstudio/itmanager/mapper/typehandler/TimeTypeHandler.kt
new file mode 100644
index 0000000..8e96dea
--- /dev/null
+++ b/src/backend/src/main/kotlin/club/itstudio/itmanager/mapper/typehandler/TimeTypeHandler.kt
@@ -0,0 +1,49 @@
+package club.itstudio.itmanager.mapper.typehandler
+
+import kotlinx.datetime.LocalDateTime
+import kotlinx.datetime.toJavaLocalDateTime
+import kotlinx.datetime.toKotlinLocalDateTime
+import org.apache.ibatis.type.BaseTypeHandler
+import org.apache.ibatis.type.JdbcType
+import org.apache.ibatis.type.MappedJdbcTypes
+import org.apache.ibatis.type.MappedTypes
+import java.sql.CallableStatement
+import java.sql.PreparedStatement
+import java.sql.ResultSet
+
+@MappedTypes(LocalDateTime::class)
+@MappedJdbcTypes(JdbcType.TIMESTAMP)
+class TimeTypeHandler : BaseTypeHandler<LocalDateTime>() {
+    override fun setNonNullParameter(
+        ps: PreparedStatement,
+        i: Int,
+        parameter: LocalDateTime,
+        jdbcType: JdbcType?
+    ) {
+        ps.setObject(i, parameter.toJavaLocalDateTime())
+    }
+
+    override fun getNullableResult(
+        rs: ResultSet,
+        columnName: String
+    ): LocalDateTime? =
+        rs.getTimestamp(columnName)
+            ?.toLocalDateTime()
+            ?.toKotlinLocalDateTime()
+
+    override fun getNullableResult(
+        rs: ResultSet,
+        columnIndex: Int
+    ): LocalDateTime? =
+        rs.getTimestamp(columnIndex)
+            ?.toLocalDateTime()
+            ?.toKotlinLocalDateTime()
+
+    override fun getNullableResult(
+        cs: CallableStatement,
+        columnIndex: Int
+    ): LocalDateTime? =
+        cs.getTimestamp(columnIndex)
+            ?.toLocalDateTime()
+            ?.toKotlinLocalDateTime()
+}
\ No newline at end of file
diff --git a/src/backend/src/main/kotlin/club/itstudio/itmanager/service/impl/FinanceRecordServiceImpl.kt b/src/backend/src/main/kotlin/club/itstudio/itmanager/service/impl/FinanceRecordServiceImpl.kt
index 22863bd..a8dbb0f 100644
--- a/src/backend/src/main/kotlin/club/itstudio/itmanager/service/impl/FinanceRecordServiceImpl.kt
+++ b/src/backend/src/main/kotlin/club/itstudio/itmanager/service/impl/FinanceRecordServiceImpl.kt
@@ -3,13 +3,13 @@ package club.itstudio.itmanager.service.impl
 import club.itstudio.itmanager.entity.dto.FinanceRecord
 import club.itstudio.itmanager.mapper.FinanceRecordMapper
 import club.itstudio.itmanager.service.FinanceRecordService
+import com.baomidou.mybatisplus.extension.kotlin.KtQueryWrapper
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl
 import org.slf4j.LoggerFactory
 import org.springframework.stereotype.Service
 import reactor.core.publisher.Mono
 import reactor.core.scheduler.Schedulers
-import java.util.NoSuchElementException
 
 @Service
 class FinanceRecordServiceImpl : ServiceImpl<FinanceRecordMapper, FinanceRecord>(), FinanceRecordService {
@@ -36,7 +36,7 @@ class FinanceRecordServiceImpl : ServiceImpl<FinanceRecordMapper, FinanceRecord>
     ): Mono<Page<FinanceRecord>> =
         blockingCall {
             logger.info("Paging finance records")
-            val wrapper = ktQuery()
+            val wrapper = KtQueryWrapper(FinanceRecord())
             if (!keyword.isNullOrBlank()) {
                 wrapper.and {
                     it.like(FinanceRecord::recordNo, keyword)
diff --git a/src/backend/src/main/kotlin/club/itstudio/itmanager/service/impl/ItemServiceImpl.kt b/src/backend/src/main/kotlin/club/itstudio/itmanager/service/impl/ItemServiceImpl.kt
index 7d73c58..181114c 100644
--- a/src/backend/src/main/kotlin/club/itstudio/itmanager/service/impl/ItemServiceImpl.kt
+++ b/src/backend/src/main/kotlin/club/itstudio/itmanager/service/impl/ItemServiceImpl.kt
@@ -3,13 +3,13 @@ package club.itstudio.itmanager.service.impl
 import club.itstudio.itmanager.entity.dto.Item
 import club.itstudio.itmanager.mapper.ItemMapper
 import club.itstudio.itmanager.service.ItemService
+import com.baomidou.mybatisplus.extension.kotlin.KtQueryWrapper
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl
 import org.slf4j.LoggerFactory
 import org.springframework.stereotype.Service
 import reactor.core.publisher.Mono
 import reactor.core.scheduler.Schedulers
-import java.util.NoSuchElementException
 
 @Service
 class ItemServiceImpl : ServiceImpl<ItemMapper, Item>(), ItemService {
@@ -22,7 +22,7 @@ class ItemServiceImpl : ServiceImpl<ItemMapper, Item>(), ItemService {
     override fun pageItems(page: Page<Item>, keyword: String?, status: String?): Mono<Page<Item>> =
         blockingCall {
             logger.info("Paging items with keyword and status")
-            val wrapper = ktQuery()
+            val wrapper = KtQueryWrapper(Item())
             if (!keyword.isNullOrBlank()) {
                 wrapper.and {
                     it.like(Item::name, keyword).or().like(Item::code, keyword)
diff --git a/src/backend/src/main/resources/application.yaml b/src/backend/src/main/resources/application.yaml
index 59787a9..588bb68 100644
--- a/src/backend/src/main/resources/application.yaml
+++ b/src/backend/src/main/resources/application.yaml
@@ -1,7 +1,7 @@
 spring:
   profiles:
     active: private
-      
+  
   webflux:
     base-path: /
   
@@ -37,6 +37,9 @@ spring:
     #username: root
     #password: 123456
 
+mybatis-plus:
+  type-handlers-package: club.itstudio.itmanager.mapper.typehandler
+
 app:
   flow-limit:
     count: 1000