diff --git a/frameworks/intl/include/date_rule_init.h b/frameworks/intl/include/date_rule_init.h
index 1848b8b5..9f8bc9d4 100644
--- a/frameworks/intl/include/date_rule_init.h
+++ b/frameworks/intl/include/date_rule_init.h
@@ -39,6 +39,8 @@ private:
     std::vector<MatchedDateTimeInfo> GetMatches(icu::UnicodeString& message);
     std::vector<MatchedDateTimeInfo> ClearFind(icu::UnicodeString& message);
     std::vector<MatchedDateTimeInfo> PastFind(icu::UnicodeString& message);
+    void GetMatchedInfo(std::vector<MatchedDateTimeInfo>& matches, MatchedDateTimeInfo match,
+        icu::UnicodeString& message);
 
     std::string locale;
     DateTimeRule* dateTimeRule;
diff --git a/frameworks/intl/include/taboo.h b/frameworks/intl/include/taboo.h
index 80516dca..f7e14ae1 100644
--- a/frameworks/intl/include/taboo.h
+++ b/frameworks/intl/include/taboo.h
@@ -20,6 +20,8 @@
 #include <set>
 #include <string>
 #include <vector>
+#include <thread>
+#include <mutex>
 
 namespace OHOS {
 namespace Global {
@@ -49,11 +51,11 @@ private:
     void ReadResourceList();
     std::string GetLanguageFromFileName(const std::string& fileName);
 
-    std::set<std::string> supportedRegions; // Indicates which regions support name replacement using taboo data.
-    std::set<std::string> supportedLanguages; // Indicates which languages support name replacement using taboo data.
+    static std::set<std::string> supportedRegions; // Indicates which regions support name replacement using taboo data.
+    static std::set<std::string> supportedLanguages; // Indicates which languages support name replacement using taboo data.
     // cache the name replacement taboo data of different locale.
     std::map<std::string, std::map<std::string, std::string>> localeTabooData;
-    std::map<std::string, std::string> resources; // Indicates which locales are supported to find taboo data.
+    static std::map<std::string, std::string> RESOURCES; // Indicates which locales are supported to find taboo data.
 
     std::string tabooDataPath = "";
     std::string tabooConfigFileName = "taboo-config.xml";
@@ -64,6 +66,7 @@ private:
     std::string regionKey = "region_"; // start part of region name replacement data key.
     std::string languageKey = "language_"; // start part of language name replacement data key.
     bool isTabooDataExist = false;
+    static std::mutex tabooMutex;
 
     static const char* ROOT_TAG;
     static const char* ITEM_TAG;
diff --git a/frameworks/intl/src/date_rule_init.cpp b/frameworks/intl/src/date_rule_init.cpp
index 2b96acf4..a1161dcf 100644
--- a/frameworks/intl/src/date_rule_init.cpp
+++ b/frameworks/intl/src/date_rule_init.cpp
@@ -114,30 +114,30 @@ std::vector<MatchedDateTimeInfo> DateRuleInit::GetMatches(icu::UnicodeString& me
     std::vector<MatchedDateTimeInfo> matches;
     for (auto& detect : universalAndLocaleRules) {
         std::vector<MatchedDateTimeInfo> tempMatches = detect.Match(message);
-        matches.insert(matches.end(), tempMatches.begin(), tempMatches.end());
-    }
-    auto matchIterator = matches.begin();
-    std::vector<MatchedDateTimeInfo> subResult;
-    while (matchIterator != matches.end()) {
-        MatchedDateTimeInfo match = (*matchIterator);
-        // splitting results based on subRules.
-        if (subDetectsMap.find(match.GetRegex()) != subDetectsMap.end()) {
-            RulesEngine subRulesEngine = subDetectsMap[match.GetRegex()];
-            icu::UnicodeString subMessage = message.tempSubString(match.GetBegin(), match.GetEnd() - match.GetBegin());
-            std::vector<MatchedDateTimeInfo> subMatches = subRulesEngine.Match(subMessage);
-            for (auto& subMatch : subMatches) {
-                subMatch.SetBegin(subMatch.GetBegin() + match.GetBegin());
-                subMatch.SetEnd(subMatch.GetEnd() + match.GetBegin());
-            }
-            subResult.insert(subResult.end(), subMatches.begin(), subMatches.end());
-            matches.erase(matchIterator);
-        } else {
-            matchIterator++;
+        for (MatchedDateTimeInfo& match : tempMatches) {
+            GetMatchedInfo(matches, match, message);
         }
     }
-    matches.insert(matches.end(), subResult.begin(), subResult.end());
     return matches;
 }
+
+void DateRuleInit::GetMatchedInfo(std::vector<MatchedDateTimeInfo>& matches, MatchedDateTimeInfo match,
+        icu::UnicodeString& message)
+{
+    // splitting results based on subRules.
+    if (subDetectsMap.find(match.GetRegex()) != subDetectsMap.end()) {
+        RulesEngine subRulesEngine = subDetectsMap[match.GetRegex()];
+        icu::UnicodeString subMessage = message.tempSubString(match.GetBegin(), match.GetEnd() - match.GetBegin());
+        std::vector<MatchedDateTimeInfo> subMatches = subRulesEngine.Match(subMessage);
+        for (auto& subMatch : subMatches) {
+            subMatch.SetBegin(subMatch.GetBegin() + match.GetBegin());
+            subMatch.SetEnd(subMatch.GetEnd() + match.GetBegin());
+        }
+        matches.insert(matches.end(), subMatches.begin(), subMatches.end());
+    } else {
+        matches.push_back(match);
+    }
+}
 } // namespace I18n
 } // namespace Global
 } // namespace OHOS
\ No newline at end of file
diff --git a/frameworks/intl/src/taboo.cpp b/frameworks/intl/src/taboo.cpp
index 854573ae..4e3cf2b6 100644
--- a/frameworks/intl/src/taboo.cpp
+++ b/frameworks/intl/src/taboo.cpp
@@ -32,6 +32,10 @@ const char* Taboo::ROOT_TAG = "taboo";
 const char* Taboo::ITEM_TAG = "item";
 const char* Taboo::NAME_TAG = "name";
 const char* Taboo::VALUE_TAG = "value";
+std::set<std::string> Taboo::supportedRegions;
+std::set<std::string> Taboo::supportedLanguages;
+std::map<std::string, std::string> Taboo::RESOURCES = {};
+std::mutex Taboo::tabooMutex;
 
 Taboo::Taboo()
 {
@@ -45,9 +49,12 @@ Taboo::Taboo(const std::string& path) : tabooDataPath(path)
     struct stat s;
     isTabooDataExist = stat(tabooConfigFilePath.c_str(), &s) == 0;
     if (isTabooDataExist) {
-        // parse taboo-config.xml to obtain supported regions and languages for name replacement.
-        ParseTabooData(tabooConfigFilePath, DataFileType::CONFIG_FILE);
-        ReadResourceList();
+        std::lock_guard<std::mutex> tabooLock(tabooMutex);
+        if (RESOURCES.size() == 0) {
+            // parse taboo-config.xml to obtain supported regions and languages for name replacement.
+            ParseTabooData(tabooConfigFilePath, DataFileType::CONFIG_FILE);
+            ReadResourceList();
+        }
     }
 }
 
@@ -167,6 +174,7 @@ void Taboo::ParseTabooData(const std::string& path, DataFileType fileType, const
         xmlFree(value);
         cur = cur->next;
     }
+    xmlFreeDoc(doc);
 }
 
 void Taboo::ProcessTabooConfigData(const std::string& name, const std::string& value)
@@ -217,7 +225,7 @@ std::tuple<std::string, std::string> Taboo::LanguageFallBack(const std::string&
     std::string fileName;
     int32_t bestScore = -1;
 
-    for (auto it = resources.begin(); it != resources.end(); ++it) {
+    for (auto it = RESOURCES.begin(); it != RESOURCES.end(); ++it) {
         std::string resLanguage = it->first;
         int32_t score = LocaleCompare::Compare(language, resLanguage);
         if (score > bestScore) {
@@ -245,7 +253,7 @@ void Taboo::ReadResourceList()
         if (s.st_mode & S_IFDIR) {
             std::string fileName = path.substr(tabooDataPath.length());
             std::string language = GetLanguageFromFileName(fileName);
-            resources[language] = fileName;
+            RESOURCES[language] = fileName;
         }
     }
 }
diff --git a/frameworks/intl/test/fuzztest/datetimefilter_fuzzer/datetimefilter_fuzzer.cpp b/frameworks/intl/test/fuzztest/datetimefilter_fuzzer/datetimefilter_fuzzer.cpp
index 3330a46c..5f9c0174 100644
--- a/frameworks/intl/test/fuzztest/datetimefilter_fuzzer/datetimefilter_fuzzer.cpp
+++ b/frameworks/intl/test/fuzztest/datetimefilter_fuzzer/datetimefilter_fuzzer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+ * Copyright (c) 2023 Huawei Device Co., Ltd.
  * 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
diff --git a/frameworks/intl/test/fuzztest/datetimefilter_fuzzer/datetimefilter_fuzzer.h b/frameworks/intl/test/fuzztest/datetimefilter_fuzzer/datetimefilter_fuzzer.h
index 5bbe2106..56dcb0f4 100644
--- a/frameworks/intl/test/fuzztest/datetimefilter_fuzzer/datetimefilter_fuzzer.h
+++ b/frameworks/intl/test/fuzztest/datetimefilter_fuzzer/datetimefilter_fuzzer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+ * Copyright (c) 2023 Huawei Device Co., Ltd.
  * 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
diff --git a/frameworks/intl/test/fuzztest/datetimerule_fuzzer/datetimerule_fuzzer.cpp b/frameworks/intl/test/fuzztest/datetimerule_fuzzer/datetimerule_fuzzer.cpp
index 90e33413..89dbef5a 100644
--- a/frameworks/intl/test/fuzztest/datetimerule_fuzzer/datetimerule_fuzzer.cpp
+++ b/frameworks/intl/test/fuzztest/datetimerule_fuzzer/datetimerule_fuzzer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
  * 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
diff --git a/frameworks/intl/test/fuzztest/datetimerule_fuzzer/datetimerule_fuzzer.h b/frameworks/intl/test/fuzztest/datetimerule_fuzzer/datetimerule_fuzzer.h
index dda48636..16fbb6a6 100644
--- a/frameworks/intl/test/fuzztest/datetimerule_fuzzer/datetimerule_fuzzer.h
+++ b/frameworks/intl/test/fuzztest/datetimerule_fuzzer/datetimerule_fuzzer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+ * Copyright (c) 2023 Huawei Device Co., Ltd.
  * 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
diff --git a/frameworks/intl/test/fuzztest/entityrecongnizer_fuzzer/entityrecongnizer_fuzzer.cpp b/frameworks/intl/test/fuzztest/entityrecongnizer_fuzzer/entityrecongnizer_fuzzer.cpp
index 104e6365..830a2ff5 100644
--- a/frameworks/intl/test/fuzztest/entityrecongnizer_fuzzer/entityrecongnizer_fuzzer.cpp
+++ b/frameworks/intl/test/fuzztest/entityrecongnizer_fuzzer/entityrecongnizer_fuzzer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+ * Copyright (c) 2023 Huawei Device Co., Ltd.
  * 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
diff --git a/frameworks/intl/test/fuzztest/entityrecongnizer_fuzzer/entityrecongnizer_fuzzer.h b/frameworks/intl/test/fuzztest/entityrecongnizer_fuzzer/entityrecongnizer_fuzzer.h
index 12a15a8f..46bc022c 100644
--- a/frameworks/intl/test/fuzztest/entityrecongnizer_fuzzer/entityrecongnizer_fuzzer.h
+++ b/frameworks/intl/test/fuzztest/entityrecongnizer_fuzzer/entityrecongnizer_fuzzer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
+ * Copyright (c) 2023 Huawei Device Co., Ltd.
  * 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