diff --git a/src/extension-handler/quick-pick-handler.ts b/src/extension-handler/quick-pick-handler.ts
index 0c59bf8..edc283f 100644
--- a/src/extension-handler/quick-pick-handler.ts
+++ b/src/extension-handler/quick-pick-handler.ts
@@ -98,7 +98,7 @@ export function handleQuickPick() {
 
     // issue: #1 https://github.com/coder-xiaomo/variable-conversion-vscode-extension/issues/1
     // 获取用户配置
-    const disableFormatList = getUserConfigurations('disableFormat');
+    const disableFormatList = getUserConfigurations<Array<string>>('disableFormat') || [];
     // 排除禁用的选项
     const enabledQuickPickSupportCases = [];
     for (const quickPick of quickPickSupportCases) {
diff --git a/src/extension.ts b/src/extension.ts
index 48eb6f0..95d26e1 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -44,7 +44,7 @@ export function activate(context: vscode.ExtensionContext) {
 
 		// issue: #1 https://github.com/coder-xiaomo/variable-conversion-vscode-extension/issues/1
 		// 获取用户配置
-		const disableFormatList = getUserConfigurations('disableFormat');
+		const disableFormatList = getUserConfigurations<Array<string>>('disableFormat') || [];
 		// 更新右键菜单每一项是否展示
 		for (const { settingsKey } of commands) {
 			vscode.commands.executeCommand('setContext', '_isHideSubMenuItem_' + settingsKey, disableFormatList.includes(settingsKey));
diff --git a/src/main-code/user-configuration.ts b/src/main-code/user-configuration.ts
index 3fb93d0..536968f 100644
--- a/src/main-code/user-configuration.ts
+++ b/src/main-code/user-configuration.ts
@@ -7,10 +7,10 @@ import vscode from 'vscode';
  * @returns 配置项的值
  * @since 2024-07-29
  */
-function getUserConfigurations(configKey: string) {
+function getUserConfigurations<T>(configKey: string): T | undefined {
     const config = vscode.workspace.getConfiguration('variable-conversion');
 
-    const configValue = config.get(configKey);
+    const configValue = config.get<T>(configKey);
     console.log('configValue:', configValue);
     return configValue;
 }
diff --git a/src/main-code/variable-convert/cyclic-conversion.ts b/src/main-code/variable-convert/cyclic-conversion.ts
index 90064a9..40027ce 100644
--- a/src/main-code/variable-convert/cyclic-conversion.ts
+++ b/src/main-code/variable-convert/cyclic-conversion.ts
@@ -66,7 +66,7 @@ function lazyConvert() {
     }
 
     // 获取用户配置
-    const disableFormatList = getUserConfigurations('disableFormat');
+    const disableFormatList = getUserConfigurations<Array<string>>('disableFormat') || [];
 
     const textList = userSelection.currentSelectionsText;
     // vscode.window.showInformationMessage('lazyConvert' + textList.join('\n'));