diff --git a/app/inc/CLIProcess.h b/app/inc/CLIProcess.h
index da5e5ea..d80ea2f 100644
--- a/app/inc/CLIProcess.h
+++ b/app/inc/CLIProcess.h
@@ -10,12 +10,12 @@
 
 // 新增：输出编码枚举
 enum class OutputEncoding {
-    UTF8 = 0,
+    AUTO_DETECT =0,
+    UTF8,
     GBK,
     GB2312,
     BIG5,
     SHIFT_JIS,
-    AUTO_DETECT
 };
 
 class CLIProcess {
@@ -60,8 +60,8 @@ private:
     // 新增：编码转换相关方法
     std::string ConvertToUTF8(const std::string& input, OutputEncoding encoding);
     std::string DetectAndConvertToUTF8(const std::string& input);
-    UINT GetCodePageFromEncoding(OutputEncoding encoding);
-    bool IsValidUTF8(const std::string& str);
+    static UINT GetCodePageFromEncoding(OutputEncoding encoding);
+    static bool IsValidUTF8(const std::string& str);
 
     PROCESS_INFORMATION pi_{};
     HANDLE hReadPipe_{};
diff --git a/app/src/CLIProcess.cpp b/app/src/CLIProcess.cpp
index 0e0bcea..bd53c8c 100644
--- a/app/src/CLIProcess.cpp
+++ b/app/src/CLIProcess.cpp
@@ -30,7 +30,7 @@ OutputEncoding CLIProcess::GetOutputEncoding() const {
 }
 
 // 新增：获取编码名称
-std::string CLIProcess::GetEncodingName(OutputEncoding encoding) {
+std::string CLIProcess::GetEncodingName(const OutputEncoding encoding) {
     switch (encoding) {
         case OutputEncoding::UTF8: return "UTF-8";
         case OutputEncoding::GBK: return "GBK";
@@ -55,9 +55,8 @@ std::vector<std::pair<OutputEncoding, std::string>> CLIProcess::GetSupportedEnco
 }
 
 // 新增：根据编码获取代码页
-UINT CLIProcess::GetCodePageFromEncoding(OutputEncoding encoding) {
+UINT CLIProcess::GetCodePageFromEncoding(const OutputEncoding encoding) {
     switch (encoding) {
-        case OutputEncoding::UTF8: return CP_UTF8;
         case OutputEncoding::GBK: return 936;
         case OutputEncoding::GB2312: return 20936;
         case OutputEncoding::BIG5: return 950;
@@ -68,7 +67,7 @@ UINT CLIProcess::GetCodePageFromEncoding(OutputEncoding encoding) {
 
 // 新增：检查是否为有效的UTF-8
 bool CLIProcess::IsValidUTF8(const std::string& str) {
-    const unsigned char* bytes = reinterpret_cast<const unsigned char*>(str.c_str());
+    const auto* bytes = reinterpret_cast<const unsigned char*>(str.c_str());
     size_t len = str.length();
 
     for (size_t i = 0; i < len; ) {
diff --git a/app/src/Manager.cpp b/app/src/Manager.cpp
index 80718cd..aa2059c 100644
--- a/app/src/Manager.cpp
+++ b/app/src/Manager.cpp
@@ -318,13 +318,8 @@ void Manager::RenderEnvironmentVariablesSettings() {
         ImGui::Unindent();
     } else {
         ImGui::BeginDisabled(true);
-        ImGui::InputText("变量名", env_key_input_, IM_ARRAYSIZE(env_key_input_));
-        ImGui::SameLine();
-        ImGui::InputText("变量值", env_value_input_, IM_ARRAYSIZE(env_value_input_));
-        ImGui::SameLine();
-        ImGui::Button("添加");
-        ImGui::EndDisabled();
         ImGui::TextWrapped("说明：禁用时将使用系统默认环境变量启动程序。");
+        ImGui::EndDisabled();
     }
 }