diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index 6fa4ab6..f49f1f8 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -32,6 +32,7 @@ struct UpxOptions {
     output_file: String,
     compression_level: String,
     backup: bool,
+    lzma: bool,
     ultra_brute: bool,
     force: bool,
 }
@@ -47,6 +48,7 @@ struct AppConfig {
     compression_level: i32,
     overwrite: bool,
     backup: bool,
+    lzma: bool,
     ultra_brute: bool,
     include_subfolders: bool,
     force_compress: bool,
@@ -58,6 +60,7 @@ impl Default for AppConfig {
             compression_level: 9,
             overwrite: true,
             backup: false,
+            lzma: false,
             ultra_brute: false,
             include_subfolders: false,
             force_compress: false,
@@ -149,13 +152,17 @@ fn build_compress_args(
     // 压缩级别
     if options.ultra_brute {
         args.push("--ultra-brute".to_string());
-        args.push("--no-lzma".to_string());
     } else if options.compression_level == "best" {
         args.push("--best".to_string());
     } else {
         args.push(format!("-{}", options.compression_level));
     }
 
+    // LZMA 压缩
+    if options.lzma {
+        args.push("--lzma".to_string());
+    }
+
     // 强制压缩
     if options.force {
         args.push("--force".to_string());
diff --git a/ui/index.html b/ui/index.html
index fbed7e3..491d474 100644
--- a/ui/index.html
+++ b/ui/index.html
@@ -312,7 +312,7 @@
                                     极限压缩
                                 </span>
                                 <p class="text-xs text-muted-foreground mt-0.5">
-                                    尝试所有压缩方法，速度较慢但压缩率最高
+                                    尝试所有压缩方法，速度慢但压缩率最高
                                 </p>
                             </div>
                         </label>
@@ -336,7 +336,7 @@
                         </label>
 
                         <label
-                            class="flex items-start gap-3 cursor-pointer p-3 border border-border hover:border-primary hover:bg-accent transition-all rounded-md col-span-2"
+                            class="flex items-start gap-3 cursor-pointer p-3 border border-border hover:border-primary hover:bg-accent transition-all rounded-md"
                         >
                             <input
                                 type="checkbox"
@@ -348,7 +348,25 @@
                                     强制压缩
                                 </span>
                                 <p class="text-xs text-muted-foreground mt-0.5">
-                                    强制处理受保护的文件（如 GUARD_CF），可能移除安全特性
+                                    强制处理受保护的文件
+                                </p>
+                            </div>
+                        </label>
+
+                        <label
+                            class="flex items-start gap-3 cursor-pointer p-3 border border-border hover:border-primary hover:bg-accent transition-all rounded-md"
+                        >
+                            <input
+                                type="checkbox"
+                                id="lzma"
+                                class="w-4 h-4 mt-0.5 rounded border-input cursor-pointer flex-shrink-0"
+                            />
+                            <div class="flex-1 min-w-0">
+                                <span class="text-sm font-medium text-foreground block">
+                                    LZMA 压缩
+                                </span>
+                                <p class="text-xs text-muted-foreground mt-0.5">
+                                    压缩率更高但速度稍慢
                                 </p>
                             </div>
                         </label>
diff --git a/ui/js/main.js b/ui/js/main.js
index c8c311f..8e5c1be 100644
--- a/ui/js/main.js
+++ b/ui/js/main.js
@@ -21,6 +21,7 @@ let compressBtn,
     levelDescription,
     overwriteCheckbox,
     backupCheckbox,
+    lzmaCheckbox,
     ultraBruteCheckbox,
     includeSubfoldersCheckbox,
     forceCompressCheckbox,
@@ -45,6 +46,7 @@ function initDOMElements() {
     levelDescription = $('level-description')
     overwriteCheckbox = $('overwrite')
     backupCheckbox = $('backup')
+    lzmaCheckbox = $('lzma')
     ultraBruteCheckbox = $('ultra-brute')
     includeSubfoldersCheckbox = $('include-subfolders')
     forceCompressCheckbox = $('force-compress')
@@ -505,10 +507,15 @@ async function processUpx(mode, inputFile, outputFile) {
             output_file: outputFile,
             compression_level: getCompressionLevel(),
             backup: backupCheckbox.checked,
+            lzma: lzmaCheckbox.checked,
             ultra_brute: ultraBruteCheckbox.checked,
             force: forceCompressCheckbox.checked,
         }
 
+        if (lzmaCheckbox.checked) {
+            addLog('已启用 LZMA 压缩', 'info')
+        }
+
         if (ultraBruteCheckbox.checked) {
             addLog('已启用极限压缩模式', 'info')
         }
@@ -849,6 +856,7 @@ async function saveCurrentConfig() {
             compression_level: parseInt(compressionLevel.value),
             overwrite: overwriteCheckbox.checked,
             backup: backupCheckbox.checked,
+            lzma: lzmaCheckbox.checked,
             ultra_brute: ultraBruteCheckbox.checked,
             include_subfolders: includeSubfoldersCheckbox.checked,
             force_compress: forceCompressCheckbox.checked,
@@ -864,6 +872,7 @@ function applyConfigToUI(config) {
     compressionLevel.value = config.compression_level
     overwriteCheckbox.checked = config.overwrite
     backupCheckbox.checked = config.backup
+    lzmaCheckbox.checked = config.lzma || false
     ultraBruteCheckbox.checked = config.ultra_brute
     includeSubfoldersCheckbox.checked = config.include_subfolders
     forceCompressCheckbox.checked = config.force_compress