diff --git a/pom.xml b/pom.xml
index ab099bd9..100776db 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,9 +43,9 @@
         <!--
         Don't use alpine or slim version, to prevent following exception
         java.lang.UnsatisfiedLinkError: /opt/java/openjdk/lib/libfontmanager.so: libfreetype.so.6: cannot open shared object file: No such file or directory
-        https://hub.docker.com/_/eclipse-temurin?tab=tags&page=1&name=17.0.2_8-jre
+        https://hub.docker.com/_/eclipse-temurin?tab=tags&page=1&name=17.0.3_7-jre
         -->
-        <temurin.tag>17.0.2_8-jre</temurin.tag>
+        <temurin.tag>17.0.3_7-jre</temurin.tag>
         <jib-maven-plugin.version>3.2.0</jib-maven-plugin.version>
         <jib-spring-boot-extension-maven.version>0.1.0</jib-spring-boot-extension-maven.version>
         <maven-pmd-plugin.version>3.15.0</maven-pmd-plugin.version>
@@ -62,12 +62,12 @@
         <hutool-all.version>5.7.22</hutool-all.version>
         <guava.version>31.1-jre</guava.version>
         <springdoc-openapi-ui.version>1.6.6</springdoc-openapi-ui.version>
-        <jjwt.version>0.11.2</jjwt.version>
+        <jjwt.version>0.11.5</jjwt.version>
         <java-faker.version>1.0.2</java-faker.version>
         <easyexcel.version>2.2.6</easyexcel.version>
         <poi.version>5.2.2</poi.version>
         <logstash-logback-encoder.version>7.1.1</logstash-logback-encoder.version>
-        <minio.version>8.3.8</minio.version>
+        <minio.version>8.3.9</minio.version>
         <okhttp.version>4.8.1</okhttp.version>
         <apache-tika.version>2.3.0</apache-tika.version>
         <mapstruct.version>1.4.2.Final</mapstruct.version>
@@ -91,7 +91,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.6.6</version>
+        <version>2.6.7</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
diff --git a/spring-cloud-starter/src/main/java/com/jmsoftware/maf/springcloudstarter/helper/HttpApiScanHelper.kt b/spring-cloud-starter/src/main/java/com/jmsoftware/maf/springcloudstarter/helper/HttpApiScanHelper.kt
index 824ee101..aaf8f228 100644
--- a/spring-cloud-starter/src/main/java/com/jmsoftware/maf/springcloudstarter/helper/HttpApiScanHelper.kt
+++ b/spring-cloud-starter/src/main/java/com/jmsoftware/maf/springcloudstarter/helper/HttpApiScanHelper.kt
@@ -19,7 +19,7 @@ class HttpApiScanHelper(
     private val requestMappingHandlerMapping: RequestMappingHandlerMapping
 ) {
     companion object {
-        private var EXCLUDED_PACKAGE: String
+        private val EXCLUDED_PACKAGE: String
         private val log = logger()
 
         init {
diff --git a/spring-cloud-starter/src/main/java/com/jmsoftware/maf/springcloudstarter/poi/AbstractExcelDataController.kt b/spring-cloud-starter/src/main/java/com/jmsoftware/maf/springcloudstarter/poi/AbstractExcelDataController.kt
index 9d7177d5..5875aa96 100644
--- a/spring-cloud-starter/src/main/java/com/jmsoftware/maf/springcloudstarter/poi/AbstractExcelDataController.kt
+++ b/spring-cloud-starter/src/main/java/com/jmsoftware/maf/springcloudstarter/poi/AbstractExcelDataController.kt
@@ -37,12 +37,12 @@ abstract class AbstractExcelDataController<T> {
         private val log = logger()
     }
 
-    protected val beanList: ThreadLocal<List<T>?> = ThreadLocal.withInitial { null }
-    protected val workbook: ThreadLocal<Workbook?> = ThreadLocal.withInitial<Workbook?> { null }
-    protected val excelFilePath: ThreadLocal<String?> = ThreadLocal.withInitial<String?> { null }
-    protected val exceptionOccurred: ThreadLocal<Boolean> = ThreadLocal.withInitial { false }
-    protected val errorMessageList: ThreadLocal<MutableList<String>> = ThreadLocal.withInitial { mutableListOf() }
-    protected val returnMessageList: ThreadLocal<MutableList<String>> = ThreadLocal.withInitial { mutableListOf() }
+    private val beanList: ThreadLocal<List<T>?> = ThreadLocal.withInitial { null }
+    private val workbook: ThreadLocal<Workbook?> = ThreadLocal.withInitial<Workbook?> { null }
+    private val excelFilePath: ThreadLocal<String?> = ThreadLocal.withInitial<String?> { null }
+    private val exceptionOccurred: ThreadLocal<Boolean?> = ThreadLocal.withInitial { false }
+    private val errorMessageList: ThreadLocal<MutableList<String>?> = ThreadLocal.withInitial { null }
+    private val returnMessageList: ThreadLocal<MutableList<String>?> = ThreadLocal.withInitial { null }
 
     /**
      * `fileName` stores the name to upload the workbook when exception occurred
@@ -55,7 +55,7 @@ abstract class AbstractExcelDataController<T> {
      * | Excel Column Name | excelColumnName |
      * | Title Name        | titleName       |
      */
-    protected val importingFieldAliasMap: MutableMap<String, String> = Maps.newLinkedHashMap()
+    private val importingFieldAliasMap: MutableMap<String, String> = Maps.newLinkedHashMap()
 
     /**
      * | Key             | Value             |
@@ -63,7 +63,7 @@ abstract class AbstractExcelDataController<T> {
      * | excelColumnName | Excel Column Name |
      * | titleName       | Title Name        |
      */
-    protected val exportingFieldAliasMap: MutableMap<String, String> = Maps.newLinkedHashMap()
+    private val exportingFieldAliasMap: MutableMap<String, String> = Maps.newLinkedHashMap()
 
     @Resource
     protected lateinit var excelImportConfigurationProperties: ExcelImportConfigurationProperties
@@ -85,7 +85,7 @@ abstract class AbstractExcelDataController<T> {
      *  2. Register bind handler methods
      *  3. Register handler methods
      */
-    protected fun AbstractExcelDataController() {
+    init{
         initContext()
     }
 
@@ -281,7 +281,7 @@ abstract class AbstractExcelDataController<T> {
     }
 
     private fun handlePreviousException() {
-        if (exceptionOccurred.get()) {
+        if (exceptionOccurred.get() == true) {
             onExceptionOccurred()
             uploadWorkbook()
         }
@@ -413,7 +413,7 @@ abstract class AbstractExcelDataController<T> {
      * @param errorInfo the error info
      */
     protected open fun setErrorMessage(errorInfo: String) {
-        errorMessageList.get().add(errorInfo)
+        errorMessageList.get()?.add(errorInfo)
         setReturnMessageList(errorInfo)
     }
 
@@ -423,7 +423,7 @@ abstract class AbstractExcelDataController<T> {
      * @param message the message
      */
     protected open fun setReturnMessageList(message: String) {
-        returnMessageList.get().add(message)
+        returnMessageList.get()?.add(message)
     }
 
     /**