diff --git a/BUILD.gn b/BUILD.gn
index abaf22e..ee60f36 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -72,6 +72,7 @@ config("contactsdataability_public_config") {
 }
 
 ohos_shared_library("contactsdataability") {
+  use_exceptions = true
   sources = [
     "ability/account/src/account_data_collection.cpp",
     "ability/account/src/account_manager.cpp",
diff --git a/ability/sinicization/src/character_transliterate.cpp b/ability/sinicization/src/character_transliterate.cpp
index cc611f6..333a156 100644
--- a/ability/sinicization/src/character_transliterate.cpp
+++ b/ability/sinicization/src/character_transliterate.cpp
@@ -1987,7 +1987,7 @@ std::string CharacterTransliterate::getMultiPronunciation(std::string chineseCha
     if (it != multiPronunciationMap.end()) {
         return it->second;
     }
-    return nullptr;
+    return "";
 }
 
 Container CharacterTransliterate::GetContainer(std::wstring wChinese)
@@ -2112,7 +2112,21 @@ std::wstring CharacterTransliterate::StringToWstring(std::string str)
 {
     using convert_typeX = std::codecvt_utf8<wchar_t>;
     std::wstring_convert<convert_typeX, wchar_t> converterX;
-    return converterX.from_bytes(str);
+    try {
+        return converterX.from_bytes(str);
+    } catch (const std::range_error& e) {
+        // 处理范围错误，可能是由于无效的UTF-8序列
+        HILOG_ERROR("StringToWstring range_error:%{public}s", e.what());
+        return L"";
+    } catch (const std::out_of_range& e) {
+        // 出来超出范围的错误
+        HILOG_ERROR("StringToWstring out_of_rangeError:%{public}s", e.what());
+        return L"";
+    } catch (const std::exception& e) {
+        // 出来超出范围的错误
+        HILOG_ERROR("StringToWstring exceptionError:%{public}s", e.what());
+        return L"";
+    }
 }
 } // namespace Contacts
 } // namespace OHOS