diff --git a/src/subscription.rs b/src/subscription.rs
index 9d338c2..fc5f55b 100644
--- a/src/subscription.rs
+++ b/src/subscription.rs
@@ -7,7 +7,7 @@ pub struct SubscriptionManager {
     pub download_progress: Option<f32>,         // 下载进度
     pub download_status: Option<String>,        // 下载状态信息
     pub download_url: String,                   // 当前输入的下载链接
-    pub start_download: bool,                   // 标志是否触发下载
+    pub start_download_request: bool,           // 标志是否触发下载
 }
 
 impl Default for SubscriptionManager {
@@ -18,7 +18,7 @@ impl Default for SubscriptionManager {
             download_progress: None,
             download_status: None,
             download_url: String::new(),
-            start_download: false,
+            start_download_request: false,
         }
     }
 }
@@ -29,31 +29,28 @@ impl SubscriptionManager {
             egui::Window::new("订阅规则")
                 .open(&mut self.is_open)
                 .show(ctx, |ui| {
-                    self.show_controls(ui);
-                    self.show_subscriptions(ui);
-                    self.show_download_status(ui);
+                    self.render_controls(ui);
+                    self.render_subscriptions(ui);
+                    self.render_download_status(ui);
                 });
 
             // 在 UI 渲染完成后处理状态更新
-            if self.start_download {
-                self.start_download();
-                self.start_download = false;
+            if self.start_download_request {
+                self.handle_start_download();
+                self.start_download_request = false;
             }
         }
     }
 
-    fn show_controls(&mut self, ui: &mut egui::Ui) {
+    fn render_controls(&mut self, ui: &mut egui::Ui) {
         ui.horizontal(|ui| {
             ui.add(
                 egui::TextEdit::singleline(&mut self.download_url).hint_text("请输入规则下载链接"),
             );
 
-            if ui.button("下载规则").clicked() {
-                self.start_download = true;
-            }
-
-            if ui.input(|i| i.key_pressed(egui::Key::Enter)) {
-                self.start_download = true;
+            if ui.button("下载规则").clicked() || ui.input(|i| i.key_pressed(egui::Key::Enter))
+            {
+                self.start_download_request = true;
             }
 
             if ui.button("从文件导入").clicked() {
@@ -63,7 +60,7 @@ impl SubscriptionManager {
         ui.separator();
     }
 
-    fn show_subscriptions(&mut self, ui: &mut egui::Ui) {
+    fn render_subscriptions(&mut self, ui: &mut egui::Ui) {
         ui.label("已订阅规则：");
         let subscriptions_to_remove: Vec<String> = self
             .subscriptions
@@ -89,7 +86,7 @@ impl SubscriptionManager {
         }
     }
 
-    fn show_download_status(&mut self, ui: &mut egui::Ui) {
+    fn render_download_status(&mut self, ui: &mut egui::Ui) {
         if let Some(progress) = self.download_progress {
             ui.add(egui::ProgressBar::new(progress).show_percentage());
         }
@@ -98,7 +95,7 @@ impl SubscriptionManager {
         }
     }
 
-    fn start_download(&mut self) {
+    fn handle_start_download(&mut self) {
         if self.download_url.is_empty() {
             self.download_status = Some("请输入有效的下载链接".to_string());
             return;