diff --git a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/DataFetcher.java b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/DataFetcher.java
index 10f9ca6f1e15882551c52d505a6c38b6f0b0bd9b..621f842197c811337fecab086947dbe518c578cd 100644
--- a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/DataFetcher.java
+++ b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/DataFetcher.java
@@ -45,7 +45,7 @@ import net.sf.json.JSONObject;
 
 /**
  * This class is used to generate i18n.dat file
- * 
+ *
  * @since 2022-8-22
  */
 public class DataFetcher {
@@ -363,7 +363,7 @@ public class DataFetcher {
         if (!Fetcher.isFetcherStatusOk() || !checkStatus()) {
             return;
         }
-        ThreadPoolExecutor exec = new ThreadPoolExecutor(CORE_POOL_SIZE, MAX_POOL_SIZE, 
+        ThreadPoolExecutor exec = new ThreadPoolExecutor(CORE_POOL_SIZE, MAX_POOL_SIZE,
             KEEP_ALIVE_TIME, TimeUnit.SECONDS, new ArrayBlockingQueue<>(QUEUE_CAPACITY));
         for (Fetcher fe : FETCHERS) {
             exec.execute(fe);
diff --git a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/Fetcher.java b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/Fetcher.java
index 6da80afa9d6a90f683350bcbb08b537372eebc15..50a42c618a4ac900a1913c8771d9bf4711b4a907 100644
--- a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/Fetcher.java
+++ b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/Fetcher.java
@@ -41,7 +41,7 @@ import ohos.global.i18n.ResourceConfiguration.Element;
 
 /**
  * Fetcher is used to fetche a locale's specified data.
- * 
+ *
  * @since 2022-8-22
  */
 public class Fetcher implements Runnable, Comparable<Fetcher> {
@@ -59,17 +59,17 @@ public class Fetcher implements Runnable, Comparable<Fetcher> {
         resourceCount = configItems.size();
     }
 
-    /** 
-     * Used to store data related to a locale. 
+    /**
+     * Used to store data related to a locale.
      */
     public final ArrayList<String> datas = new ArrayList<>();
 
-    /** 
+    /**
      * All non-repeated strings will be put into idMap.
      */
     public final Map<String, Integer> idMap;
 
-    /** 
+    /**
      * LanguageTag related to the locale.
      */
     public final String languageTag;
diff --git a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/FileConfig.java b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/FileConfig.java
index 02290d755333842a6f5f969010c3ce915793a4a9..059f1b5f7500ad707df906dc4cfcfbe3ab0033af 100644
--- a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/FileConfig.java
+++ b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/FileConfig.java
@@ -17,7 +17,7 @@ package ohos.global.i18n;
 
 /**
  * This class encapsulate some configurations
- * 
+ *
  * @since 2022-8-22
  */
 public class FileConfig {
diff --git a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleConfig.java b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleConfig.java
index dd2cdc41c975b0547ebda4ec620dc060826a605e..af812c36e6ca7b057023a05833bf25edfe15b3cb 100644
--- a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleConfig.java
+++ b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleConfig.java
@@ -17,7 +17,7 @@ package ohos.global.i18n;
 
 /**
  * Represents a meta data config in dat file
- * 
+ *
  * @since 2022-8-22
  */
 public class LocaleConfig {
diff --git a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleList.java b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleList.java
index 62f9c1dd60eb2946dbc741c715a8f605c7b16cf4..6ffa7d8a2bd571298b895d57b8f745b20220809a 100644
--- a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleList.java
+++ b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleList.java
@@ -23,7 +23,7 @@ import java.util.Map;
 
 /**
  * Represents a locale in dat file
- * 
+ *
  * @since 2022-8-22
  */
 public class LocaleList {
diff --git a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleMaskItem.java b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleMaskItem.java
index 5af63d4baa9bc5691794f1aec1adc6b5141b800c..54ba6b3387f9cc7771b8a3e39eb9f7add5e6ef3f 100644
--- a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleMaskItem.java
+++ b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/LocaleMaskItem.java
@@ -25,7 +25,7 @@ import com.ibm.icu.util.ULocale;
 
 /**
  * Represent the mask value of a locale
- * 
+ *
  * @since 2022-8-22
  */
 public class LocaleMaskItem implements Comparable<LocaleMaskItem> {
diff --git a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/PluralFetcher.java b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/PluralFetcher.java
index 8fe46bbef423cf202568c1753a88d960ad0d41be..fc1107d3cb834a511c9164969fc70b278cbddbe8 100644
--- a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/PluralFetcher.java
+++ b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/PluralFetcher.java
@@ -28,7 +28,7 @@ import java.util.logging.Level;
 
 /**
  * This class is used to extract plural data related to a locale
- * 
+ *
  * @since 2022-8-22
  */
 public class PluralFetcher {
diff --git a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/ResourceConfiguration.java b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/ResourceConfiguration.java
index 1a0ad1faee27d6b1d4f21824b17ed3b8d6e414a6..55a18bc2b0a4750a3a78dac92c4ef955ea16327a 100644
--- a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/ResourceConfiguration.java
+++ b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/ResourceConfiguration.java
@@ -27,7 +27,7 @@ import java.util.ArrayList;
 
 /**
  * Resource configuration defined in the reource_items.json
- * 
+ *
  * @since 2022-8-22
  */
 public class ResourceConfiguration {
diff --git a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/StringPool.java b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/StringPool.java
index 1438c580a26c6e01aed0d1eeb3c45894fd1d8ef8..9a55d53c460d9639cf28a9cbd6885f796696cea9 100644
--- a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/StringPool.java
+++ b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/StringPool.java
@@ -28,13 +28,13 @@ import com.ibm.icu.util.ULocale;
 
 /**
  * Represents the global string pool in i18n.dat file
- * 
+ *
  * @since 2022-8-22
  */
 public class StringPool {
     private static final String ARABIC_PERCENT = new DecimalFormatSymbols(new ULocale("ar")).getPercentString();
     private static final Logger logger = Logger.getLogger("StringPool");
-    
+
     private HashMap<Integer, Integer> lengthMap = new HashMap<>();
     private int size;
     private HashMap<Integer, StringItem> offsetMap;
diff --git a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/Utils.java b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/Utils.java
index d01c09a0241e214c6efaf8e1090a038ac4e3e4b8..6d3d22a96ad333f3165cdece3dd18ca8966e58ff 100644
--- a/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/Utils.java
+++ b/tools/i18n-dat-tool/src/main/java/ohos/global/i18n/Utils.java
@@ -37,7 +37,7 @@ import ohos.global.i18n.ResourceConfiguration.Element;
 
 /**
  * utils class.
- * 
+ *
  * @since 2022-8-22
  */
 public class Utils {
@@ -173,7 +173,7 @@ public class Utils {
      * @param hashCode reserved for future use
      * @param localesCount valid locales in total
      * @param metaCount all metaData in total
-     * @throws IOException throw IOException if write error happen 
+     * @throws IOException throw IOException if write error happen
      */
     public static void writeHeader(DataOutputStream out, int hashCode, int localesCount,
         int metaCount) throws IOException {