diff --git a/interfaces/kits/napi/src/napi_accessibility_utils.cpp b/interfaces/kits/napi/src/napi_accessibility_utils.cpp
index a28d20ae98ea883b927abf5aba4cf954fd8b7e10..4f38de15ea7a920a7df28fde9b3e67793c2ec648 100644
--- a/interfaces/kits/napi/src/napi_accessibility_utils.cpp
+++ b/interfaces/kits/napi/src/napi_accessibility_utils.cpp
@@ -818,7 +818,6 @@ std::string ConvertStringJSToNAPI(napi_env env, napi_value object, napi_value pr
 void ConvertStringArrayJSToNAPI(napi_env env, napi_value object,
     napi_value propertyNameValue, bool &hasProperty, std::vector<std::string> &stringArray)
 {
-    std::string str = "";
     napi_has_property(env, object, propertyNameValue, &hasProperty);
     if (hasProperty) {
         napi_value contentsValue = nullptr;
@@ -828,7 +827,7 @@ void ConvertStringArrayJSToNAPI(napi_env env, napi_value object,
         napi_get_array_length(env, contentsValue, &dataLen);
         for (uint32_t i = 0; i < dataLen; i++) {
             napi_get_element(env, contentsValue, i, &data);
-            str = GetStringFromNAPI(env, data);
+            std::string str = GetStringFromNAPI(env, data);
             stringArray.push_back(str);
         }
     }
@@ -941,7 +940,6 @@ bool ConvertEventInfoJSToNAPIPart3(
 {
     bool hasProperty = false;
     int32_t dataValue = 0;
-    std::string str = "";
     napi_value propertyNameValue = nullptr;
     napi_create_string_utf8(env, "contents", NAPI_AUTO_LENGTH, &propertyNameValue);
     std::vector<std::string> stringArray {};
@@ -953,9 +951,9 @@ bool ConvertEventInfoJSToNAPIPart3(
     }
 
     napi_create_string_utf8(env, "lastContent", NAPI_AUTO_LENGTH, &propertyNameValue);
-    str = ConvertStringJSToNAPI(env, object, propertyNameValue, hasProperty);
+    std::string strNapi = ConvertStringJSToNAPI(env, object, propertyNameValue, hasProperty);
     if (hasProperty) {
-        eventInfo.SetLatestContent(str);
+        eventInfo.SetLatestContent(strNapi);
     }
 
     napi_create_string_utf8(env, "beginIndex", NAPI_AUTO_LENGTH, &propertyNameValue);
diff --git a/services/aams/src/accessibility_account_data.cpp b/services/aams/src/accessibility_account_data.cpp
index 624352aff0e731a57fb305a5a83a01e88e98dbdc..a4506c5b0d5f4bc7e71963bca79c9c4f52559230 100644
--- a/services/aams/src/accessibility_account_data.cpp
+++ b/services/aams/src/accessibility_account_data.cpp
@@ -267,13 +267,13 @@ void AccessibilityAccountData::RemoveInstalledAbility(const std::string &bundleN
     for (auto it = installedAbilities_.begin(); it != installedAbilities_.end();) {
         if (it->GetPackageName() == bundleName) {
             HILOG_DEBUG("Removed %{public}s from InstalledAbility: ", bundleName.c_str());
-            std::string targetName = "";
             if (!config_) {
                 it = installedAbilities_.erase(it);
                 continue;
             }
             std::string name = config_->GetShortkeyTarget();
             if (it->GetId() == name) {
+                std::string targetName = "";
                 config_->SetShortkeyTarget(targetName);
                 config_->SetShortKeyState(false);
             }