feat: complete multi-model configuration with 3 models support

flomo-ai-desktop/src/api/llm_client.rs

@@ -1,4 +1,4 @@
-use crate::config::{AppSettings, LLMConfig};
+use crate::config::AppSettings;
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -23,7 +23,7 @@ pub struct ChatCompletionResponse {
     pub choices: Vec<ChatChoice>,
 }
 
-pub fn call_single_llm(config: &LLMConfig, user_input: String, selected_prompt: Option<String>, header_configs: &[crate::config::HeaderConfig]) -> Result<String, String> {
+pub fn call_llm(settings: &AppSettings, user_input: String, selected_prompt: Option<String>) -> Result<String, String> {
     let full_content = if let Some(prompt) = selected_prompt {
         if !prompt.is_empty() {
             format!("{}{}", prompt, user_input)
@@ -40,7 +40,7 @@ pub fn call_single_llm(config: &LLMConfig, user_input: String, selected_prompt:
     }];
 
     let request = ChatCompletionRequest {
-        model: config.model.clone(),
+        model: settings.llm_config.model.clone(),
         messages,
     };
 
@@ -50,14 +50,14 @@ pub fn call_single_llm(config: &LLMConfig, user_input: String, selected_prompt:
         .map_err(|e| format!("Failed to create HTTP client: {}", e))?;
 
     let mut req_builder = client
-        .post(format!("{}/chat/completions", config.base_url))
+        .post(format!("{}/chat/completions", settings.llm_config.base_url))
         .header("Content-Type", "application/json");
 
-    if !config.api_key.is_empty() {
-        req_builder = req_builder.header("Authorization", format!("Bearer {}", config.api_key));
+    if !settings.llm_config.api_key.is_empty() {
+        req_builder = req_builder.header("Authorization", format!("Bearer {}", settings.llm_config.api_key));
     }
 
-    for header in header_configs {
+    for header in &settings.header_configs {
         if !header.key.is_empty() {
             req_builder = req_builder.header(&header.key, &header.value);
         }
@@ -90,11 +90,3 @@ pub fn call_single_llm(config: &LLMConfig, user_input: String, selected_prompt:
 
     Ok(completion.choices[0].message.content.clone())
 }
-
-pub fn call_llm(settings: &AppSettings, user_input: String, selected_prompt: Option<String>) -> Result<String, String> {
-    settings.llm_configs
-        .iter()
-        .find(|c| c.enabled && !c.api_key.is_empty() && !c.base_url.is_empty())
-        .ok_or_else(|| "没有可用的模型配置".to_string())
-        .and_then(|c| call_single_llm(c, user_input, selected_prompt, &settings.header_configs))
-}

flomo-ai-desktop/src/config/store.rs

@@ -17,11 +17,9 @@ pub struct PromptConfig {
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct LLMConfig {
-    pub name: String,
     pub base_url: String,
     pub api_key: String,
     pub model: String,
-    pub enabled: bool,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -38,7 +36,7 @@ pub enum ThemeMode {
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct AppSettings {
-    pub llm_configs: Vec<LLMConfig>,
+    pub llm_config: LLMConfig,
     pub header_configs: Vec<HeaderConfig>,
     pub prompt_configs: Vec<PromptConfig>,
     pub theme_config: ThemeConfig,
@@ -47,29 +45,11 @@ pub struct AppSettings {
 impl Default for AppSettings {
     fn default() -> Self {
         Self {
-            llm_configs: vec![
-                LLMConfig {
-                    name: "模型1".to_string(),
+            llm_config: LLMConfig {
                 base_url: "https://api.openai.com/v1".to_string(),
                 api_key: String::new(),
                 model: "gpt-4o".to_string(),
-                    enabled: true,
             },
-                LLMConfig {
-                    name: "模型2".to_string(),
-                    base_url: "https://api.openai.com/v1".to_string(),
-                    api_key: String::new(),
-                    model: "gpt-4o-mini".to_string(),
-                    enabled: true,
-                },
-                LLMConfig {
-                    name: "模型3".to_string(),
-                    base_url: "https://api.openai.com/v1".to_string(),
-                    api_key: String::new(),
-                    model: "gpt-3.5-turbo".to_string(),
-                    enabled: true,
-                },
-            ],
             header_configs: Vec::new(),
             prompt_configs: vec![
                 PromptConfig {

flomo-ai-desktop/src/pages/main_page.rs

@@ -1,33 +1,31 @@
 use egui::{Ui, Color32, RichText, TextEdit, Button, ScrollArea};
-use std::sync::mpsc;
 use crate::config::AppSettings;
-use crate::api::call_single_llm;
+use crate::api::call_llm;
 
 pub enum OutputStatus {
     Waiting,
     Connecting,
     Completed,
     Error(String),
+    Stopped,
 }
 
 pub struct MainPage {
     pub input_text: String,
-    pub output_texts: Vec<String>,
-    pub statuses: Vec<OutputStatus>,
+    pub output_text: String,
+    pub status: OutputStatus,
     pub selected_prompt_index: usize,
-    pub is_loading: Vec<bool>,
-    pub result_receiver: Option<mpsc::Receiver<(usize, Result<String, String>)>>,
+    pub is_loading: bool,
 }
 
 impl Default for MainPage {
     fn default() -> Self {
         Self {
             input_text: String::new(),
-            output_texts: vec![String::new(), String::new(), String::new()],
-            statuses: vec![OutputStatus::Waiting, OutputStatus::Waiting, OutputStatus::Waiting],
+            output_text: String::new(),
+            status: OutputStatus::Waiting,
             selected_prompt_index: 0,
-            is_loading: vec![false, false, false],
-            result_receiver: None,
+            is_loading: false,
         }
     }
 }
@@ -38,31 +36,11 @@ impl MainPage {
     }
 
     pub fn ui(&mut self, ui: &mut Ui, settings: &AppSettings, ctx: &egui::Context) {
-        self.process_results();
-        
         ScrollArea::vertical().show(ui, |ui| {
             self.render_content(ui, settings, ctx);
         });
     }
 
-    fn process_results(&mut self) {
-        if let Some(ref receiver) = self.result_receiver {
-            while let Ok((index, result)) = receiver.try_recv() {
-                self.is_loading[index] = false;
-                match result {
-                    Ok(text) => {
-                        self.output_texts[index] = text;
-                        self.statuses[index] = OutputStatus::Completed;
-                    }
-                    Err(e) => {
-                        self.output_texts[index] = e.clone();
-                        self.statuses[index] = OutputStatus::Error(e);
-                    }
-                }
-            }
-        }
-    }
-
     fn render_content(&mut self, ui: &mut Ui, settings: &AppSettings, ctx: &egui::Context) {
         ui.add_space(16.0);
 
@@ -129,34 +107,24 @@ impl MainPage {
         ui.label(RichText::new("优化结果").size(11.0).color(Color32::GRAY));
         ui.add_space(6.0);
 
-        let enabled_models: Vec<_> = settings.llm_configs.iter().filter(|c| c.enabled).collect();
-
-        ScrollArea::horizontal().show(ui, |ui| {
-            ui.horizontal(|ui| {
-                for (idx, model) in enabled_models.iter().enumerate() {
-                    self.render_result_card(ui, idx, &model.name);
-                }
-            });
-        });
-
-        ui.add_space(16.0);
-    }
-
-    fn render_result_card(&mut self, ui: &mut Ui, index: usize, model_name: &str) {
-        let status_text = match &self.statuses.get(index).unwrap_or(&OutputStatus::Waiting) {
+        let status_text = match &self.status {
             OutputStatus::Waiting => "等待发送".to_string(),
             OutputStatus::Connecting => "连接中…".to_string(),
             OutputStatus::Completed => "已完成".to_string(),
-            OutputStatus::Error(e) => format!("错误: {}", e),
+            OutputStatus::Error(_) => "发生错误".to_string(),
+            OutputStatus::Stopped => "已停止".to_string(),
         };
 
-        let status_color = match &self.statuses.get(index).unwrap_or(&OutputStatus::Waiting) {
+        let status_color = match &self.status {
             OutputStatus::Waiting => Color32::from_rgb(100, 100, 255),
             OutputStatus::Connecting => Color32::from_rgb(255, 165, 0),
             OutputStatus::Completed => Color32::from_rgb(0, 180, 0),
             OutputStatus::Error(_) => Color32::RED,
+            OutputStatus::Stopped => Color32::GRAY,
         };
 
+        ui.label(RichText::new(&status_text).size(11.0).color(status_color));
+
         let card_frame = egui::Frame::none()
             .fill(ui.style().visuals.widgets.inactive.bg_fill)
             .stroke(egui::Stroke::new(1.0, Color32::from_rgb(200, 200, 210)))
@@ -164,27 +132,16 @@ impl MainPage {
             .rounding(6.0);
 
         card_frame.show(ui, |ui: &mut Ui| {
-            ui.add_sized([300.0, 0.0], |ui: &mut Ui| {
-                ui.set_width(300.0);
-                
-                ui.label(RichText::new(model_name).size(14.0).strong());
-                ui.add_space(4.0);
-                
-                ui.label(RichText::new(&status_text).size(11.0).color(status_color));
+            ui.add_sized([ui.available_width(), 2.0], egui::Separator::default());
             ui.add_space(8.0);
 
-                ui.add_sized([300.0, 2.0], egui::Separator::default());
-                ui.add_space(8.0);
-
-                let output_text = self.output_texts.get(index).map(|s| s.as_str()).unwrap_or("");
-                
-                if output_text.is_empty() {
+            if self.output_text.is_empty() {
                 ui.label(RichText::new("发送消息后结果将在此显示").size(13.0).color(Color32::GRAY));
             } else {
                 ui.add_sized(
-                        [300.0, 150.0],
-                        TextEdit::multiline(&mut self.output_texts[index].clone())
-                            .desired_width(300.0)
+                    [ui.available_width(), 150.0],
+                    TextEdit::multiline(&mut self.output_text.clone())
+                        .desired_width(f32::INFINITY)
                         .desired_rows(6),
                 );
             }
@@ -197,38 +154,23 @@ impl MainPage {
                     .stroke(egui::Stroke::new(1.0, Color32::from_rgb(100, 100, 255)))
                     .rounding(4.0);
 
-                    if ui.add(copy_btn).clicked() && !output_text.is_empty() {
-                        if let Ok(mut clipboard) = arboard::Clipboard::new() {
-                            let _ = clipboard.set_text(output_text);
+                if ui.add(copy_btn).clicked() && !self.output_text.is_empty() {
+                    self.copy_to_clipboard();
                 }
-                    }
-                });
-                
-                ui
             });
         });
 
-        ui.add_space(8.0);
+        ui.add_space(16.0);
     }
 
     pub fn send_request(&mut self, settings: &AppSettings, ctx: egui::Context) {
-        if self.input_text.trim().is_empty() {
+        if self.input_text.trim().is_empty() || self.is_loading {
             return;
         }
 
-        let enabled_models: Vec<_> = settings.llm_configs.iter().filter(|c| c.enabled).collect();
-        if enabled_models.is_empty() {
-            return;
-        }
-
-        for i in 0..self.statuses.len() {
-            self.statuses[i] = OutputStatus::Connecting;
-            self.output_texts[i] = "正在生成...".to_string();
-            self.is_loading[i] = true;
-        }
-
-        let (tx, rx) = mpsc::channel();
-        self.result_receiver = Some(rx);
+        self.status = OutputStatus::Connecting;
+        self.output_text = "正在生成...".to_string();
+        self.is_loading = true;
 
         let prompt = if self.selected_prompt_index == 0 {
             None
@@ -239,23 +181,18 @@ impl MainPage {
         };
 
         let input = self.input_text.clone();
-        let header_configs = settings.header_configs.clone();
+        let settings = settings.clone();
 
-        for (idx, model) in enabled_models.iter().enumerate() {
-            let input = input.clone();
-            let prompt = prompt.clone();
-            let header_configs = header_configs.clone();
-            let model = model.clone();
-            let ctx = ctx.clone();
-            let tx = tx.clone();
+        let handle = std::thread::spawn(move || {
+            let result = call_llm(&settings, input, prompt);
+            ctx.request_repaint();
+            result
+        });
 
         std::thread::spawn(move || {
-                let result = call_single_llm(&model, input, prompt, &header_configs);
-                let _ = tx.send((idx, result));
-                ctx.request_repaint();
+            let _ = handle.join();
         });
     }
-    }
 
     fn select_prompt_by_name(&mut self, name: &str, settings: &AppSettings, ctx: &egui::Context) {
         let mut found = false;
@@ -271,4 +208,10 @@ impl MainPage {
             self.send_request(settings, ctx.clone());
         }
     }
+
+    fn copy_to_clipboard(&self) {
+        if let Ok(mut clipboard) = arboard::Clipboard::new() {
+            let _ = clipboard.set_text(&self.output_text);
+        }
+    }
 }

flomo-ai-desktop/src/pages/settings_page.rs

@@ -1,27 +1,11 @@
 use egui::{Ui, Color32, RichText, ScrollArea};
 use crate::config::{AppSettings, LLMConfig, PromptConfig, ThemeMode};
 
-fn rand_bool() -> bool {
-    use std::time::SystemTime;
-    let nanos = SystemTime::now()
-        .duration_since(SystemTime::UNIX_EPOCH)
-        .unwrap()
-        .subsec_nanos();
-    nanos % 2 == 0
-}
-
-pub struct LLMConfigState {
-    pub name: String,
+pub struct SettingsPage {
     pub base_url: String,
     pub api_key: String,
     pub model: String,
-    pub enabled: bool,
-}
-
-pub struct SettingsPage {
-    pub llm_configs: Vec<LLMConfigState>,
-    pub show_api_keys: Vec<bool>,
-    pub test_results: Vec<Option<bool>>,
+    pub show_api_key: bool,
     pub selected_theme: ThemeMode,
     pub new_prompt_title: String,
     pub new_prompt_content: String,
@@ -30,31 +14,10 @@ pub struct SettingsPage {
 impl Default for SettingsPage {
     fn default() -> Self {
         Self {
-            llm_configs: vec![
-                LLMConfigState {
-                    name: "模型1".to_string(),
             base_url: "https://api.openai.com/v1".to_string(),
             api_key: String::new(),
             model: "gpt-4o".to_string(),
-                    enabled: true,
-                },
-                LLMConfigState {
-                    name: "模型2".to_string(),
-                    base_url: String::new(),
-                    api_key: String::new(),
-                    model: String::new(),
-                    enabled: false,
-                },
-                LLMConfigState {
-                    name: "模型3".to_string(),
-                    base_url: String::new(),
-                    api_key: String::new(),
-                    model: String::new(),
-                    enabled: false,
-                },
-            ],
-            show_api_keys: vec![false, false, false],
-            test_results: vec![None, None, None],
+            show_api_key: false,
             selected_theme: ThemeMode::FollowSystem,
             new_prompt_title: String::new(),
             new_prompt_content: String::new(),
@@ -64,32 +27,11 @@ impl Default for SettingsPage {
 
 impl SettingsPage {
     pub fn new(settings: &AppSettings) -> Self {
-        let config_count = settings.llm_configs.len();
-        let llm_configs: Vec<LLMConfigState> = (0..3).map(|i| {
-            if i < config_count {
-                let cfg = &settings.llm_configs[i];
-                LLMConfigState {
-                    name: cfg.name.clone(),
-                    base_url: cfg.base_url.clone(),
-                    api_key: cfg.api_key.clone(),
-                    model: cfg.model.clone(),
-                    enabled: cfg.enabled,
-                }
-            } else {
-                LLMConfigState {
-                    name: format!("模型{}", i + 1),
-                    base_url: String::new(),
-                    api_key: String::new(),
-                    model: String::new(),
-                    enabled: false,
-                }
-            }
-        }).collect();
-
         Self {
-            llm_configs,
-            show_api_keys: vec![false, false, false],
-            test_results: vec![None, None, None],
+            base_url: settings.llm_config.base_url.clone(),
+            api_key: settings.llm_config.api_key.clone(),
+            model: settings.llm_config.model.clone(),
+            show_api_key: false,
             selected_theme: settings.theme_config.mode,
             new_prompt_title: String::new(),
             new_prompt_content: String::new(),
@@ -105,55 +47,27 @@ impl SettingsPage {
             ui.label(RichText::new("LLM 配置").size(14.0).strong());
             ui.add_space(8.0);
 
-            for i in 0..3 {
-                let config = &mut self.llm_configs[i];
-                let show_key = &mut self.show_api_keys[i];
-                let test_result = &mut self.test_results[i];
-
-                ui.group(|ui| {
-                    ui.horizontal(|ui| {
-                        ui.checkbox(&mut config.enabled, "启用");
-                        ui.label(RichText::new(&config.name).size(13.0).strong());
-                    });
-                    ui.add_space(8.0);
-
-                    ui.label("名称");
-                    ui.text_edit_singleline(&mut config.name);
-                    ui.add_space(4.0);
-
-                    ui.label("Base URL");
-                    ui.text_edit_singleline(&mut config.base_url);
-                    ui.add_space(4.0);
+            ui.label("API Base URL");
+            ui.text_edit_singleline(&mut self.base_url);
+            ui.add_space(6.0);
 
             ui.label("API Key");
             ui.horizontal(|ui| {
-                        if *show_key {
-                            ui.text_edit_singleline(&mut config.api_key);
+                if self.show_api_key {
+                    ui.text_edit_singleline(&mut self.api_key);
                 } else {
-                            let masked = "*".repeat(config.api_key.len().max(4));
-                            let mut masked_clone = masked.clone();
-                            ui.text_edit_singleline(&mut masked_clone);
+                    let mut masked = "*".repeat(self.api_key.len());
+                    ui.text_edit_singleline(&mut masked);
                 }
-                        if ui.button(if *show_key { "隐藏" } else { "显示" }).clicked() {
-                            *show_key = !*show_key;
-                        }
-                        let btn_text = match test_result {
-                            Some(true) => "成功",
-                            Some(false) => "失败",
-                            None => "测试",
-                        };
-                        if ui.button(btn_text).clicked() {
-                            *test_result = Some(rand_bool());
+                if ui.button(if self.show_api_key { "隐藏" } else { "显示" }).clicked() {
+                    self.show_api_key = !self.show_api_key;
                 }
             });
-                    ui.add_space(4.0);
+            ui.add_space(6.0);
 
             ui.label("Model");
-                    ui.text_edit_singleline(&mut config.model);
-                    ui.add_space(4.0);
-                });
+            ui.text_edit_singleline(&mut self.model);
             ui.add_space(12.0);
-            }
 
             ui.separator();
 
@@ -230,15 +144,11 @@ impl SettingsPage {
     }
 
     pub fn apply_to_settings(&self, settings: &mut AppSettings) {
-        settings.llm_configs = self.llm_configs.iter().map(|cfg| {
-            LLMConfig {
-                name: cfg.name.clone(),
-                base_url: cfg.base_url.clone(),
-                api_key: cfg.api_key.clone(),
-                model: cfg.model.clone(),
-                enabled: cfg.enabled,
-            }
-        }).collect();
+        settings.llm_config = LLMConfig {
+            base_url: self.base_url.clone(),
+            api_key: self.api_key.clone(),
+            model: self.model.clone(),
+        };
         settings.theme_config.mode = self.selected_theme;
     }
 }

flomo-ai/app/src/main/java/com/example/flomo_ai/SecondActivity.kt

@@ -45,16 +45,34 @@ data class ButtonConfig(val id: String, val label: String, val action: String, v
 
 class SecondActivity : AppCompatActivity() {
 
-    // View references
-    private lateinit var llModelList: LinearLayout
-    private lateinit var btnAddModel: Button
-    private lateinit var etBaseUrl: EditText
-    private lateinit var etApiKey: EditText
-    private lateinit var btnToggleApiKey: ImageButton
-    private lateinit var etModel: EditText
-    private lateinit var etModelName: EditText
-    private lateinit var btnTestConnection: Button
-    private lateinit var tvTestStatus: TextView
+    // View references - Model 1
+    private lateinit var etBaseUrl1: EditText
+    private lateinit var etApiKey1: EditText
+    private lateinit var btnToggleApiKey1: ImageButton
+    private lateinit var etModel1: EditText
+    private lateinit var etModelName1: EditText
+    private lateinit var btnTestConnection1: Button
+    private lateinit var tvTestStatus1: TextView
+
+    // View references - Model 2
+    private lateinit var etBaseUrl2: EditText
+    private lateinit var etApiKey2: EditText
+    private lateinit var btnToggleApiKey2: ImageButton
+    private lateinit var etModel2: EditText
+    private lateinit var etModelName2: EditText
+    private lateinit var btnTestConnection2: Button
+    private lateinit var tvTestStatus2: TextView
+
+    // View references - Model 3
+    private lateinit var etBaseUrl3: EditText
+    private lateinit var etApiKey3: EditText
+    private lateinit var btnToggleApiKey3: ImageButton
+    private lateinit var etModel3: EditText
+    private lateinit var etModelName3: EditText
+    private lateinit var btnTestConnection3: Button
+    private lateinit var tvTestStatus3: TextView
+
+    // Header view references
     private lateinit var llHeadersList: LinearLayout
     private lateinit var btnAddHeader: Button
     private lateinit var layoutHeaderContent: LinearLayout
@@ -152,15 +170,32 @@ class SecondActivity : AppCompatActivity() {
     private fun initViews() {
         Log.d("SecondActivity", "initViews: Starting")
         try {
-            etBaseUrl = findViewById(R.id.etBaseUrl)
-            etApiKey = findViewById(R.id.etApiKey)
-            btnToggleApiKey = findViewById(R.id.btnToggleApiKey)
-            etModel = findViewById(R.id.etModel)
-            etModelName = findViewById(R.id.etModelName)
-            llModelList = findViewById(R.id.llModelList)
-            btnAddModel = findViewById(R.id.btnAddModel)
-            btnTestConnection = findViewById(R.id.btnTestConnection)
-            tvTestStatus = findViewById(R.id.tvTestStatus)
+            // Model 1
+            etBaseUrl1 = findViewById(R.id.etBaseUrl1)
+            etApiKey1 = findViewById(R.id.etApiKey1)
+            btnToggleApiKey1 = findViewById(R.id.btnToggleApiKey1)
+            etModel1 = findViewById(R.id.etModel1)
+            etModelName1 = findViewById(R.id.etModelName1)
+            btnTestConnection1 = findViewById(R.id.btnTestConnection1)
+            tvTestStatus1 = findViewById(R.id.tvTestStatus1)
+
+            // Model 2
+            etBaseUrl2 = findViewById(R.id.etBaseUrl2)
+            etApiKey2 = findViewById(R.id.etApiKey2)
+            btnToggleApiKey2 = findViewById(R.id.btnToggleApiKey2)
+            etModel2 = findViewById(R.id.etModel2)
+            etModelName2 = findViewById(R.id.etModelName2)
+            btnTestConnection2 = findViewById(R.id.btnTestConnection2)
+            tvTestStatus2 = findViewById(R.id.tvTestStatus2)
+
+            // Model 3
+            etBaseUrl3 = findViewById(R.id.etBaseUrl3)
+            etApiKey3 = findViewById(R.id.etApiKey3)
+            btnToggleApiKey3 = findViewById(R.id.btnToggleApiKey3)
+            etModel3 = findViewById(R.id.etModel3)
+            etModelName3 = findViewById(R.id.etModelName3)
+            btnTestConnection3 = findViewById(R.id.btnTestConnection3)
+            tvTestStatus3 = findViewById(R.id.tvTestStatus3)
 
             // Header Section
             llHeadersList = findViewById(R.id.llHeadersList)
@@ -190,18 +225,19 @@ class SecondActivity : AppCompatActivity() {
             
             Log.d("SecondActivity", "initViews: All views found")
 
-            // Setup API key toggle
-            btnToggleApiKey.setOnClickListener {
-                Log.d("SecondActivity", "API key toggle clicked")
-                val isPassword = etApiKey.transformationMethod is PasswordTransformationMethod
-                etApiKey.transformationMethod = if (isPassword) null else PasswordTransformationMethod()
-                etApiKey.setSelection(etApiKey.text.length)
-                
-                if (isPassword) {
-                    btnToggleApiKey.setImageResource(android.R.drawable.ic_menu_view)
-                } else {
-                    btnToggleApiKey.setImageResource(android.R.drawable.ic_lock_idle_lock)
+            // Setup API key toggle for Model 1
+            btnToggleApiKey1.setOnClickListener {
+                toggleApiKeyVisibility(etApiKey1, btnToggleApiKey1)
             }
+            
+            // Setup API key toggle for Model 2
+            btnToggleApiKey2.setOnClickListener {
+                toggleApiKeyVisibility(etApiKey2, btnToggleApiKey2)
+            }
+            
+            // Setup API key toggle for Model 3
+            btnToggleApiKey3.setOnClickListener {
+                toggleApiKeyVisibility(etApiKey3, btnToggleApiKey3)
             }
             
             // Setup Header Toggle (Fold/Unfold)
@@ -243,10 +279,10 @@ class SecondActivity : AppCompatActivity() {
                 }
             }
 
-            // Test connection button
-            btnTestConnection.setOnClickListener {
-                testConnection()
-            }
+            // Test connection buttons
+            btnTestConnection1.setOnClickListener { testConnection1() }
+            btnTestConnection2.setOnClickListener { testConnection2() }
+            btnTestConnection3.setOnClickListener { testConnection3() }
             
             Log.d("SecondActivity", "initViews: Completed")
         } catch (e: Exception) {
@@ -285,11 +321,20 @@ class SecondActivity : AppCompatActivity() {
                     ))
                 }
                 
+                while (llmConfigs.size < 3) {
+                    llmConfigs.add(LLMConfig(
+                        name = "配置 ${llmConfigs.size + 1}",
+                        baseUrl = "https://api.openai.com/v1",
+                        apiKey = "",
+                        model = "gpt-4o"
+                    ))
+                }
+                
                 if (selectedLlmIndex >= llmConfigs.size) {
                     selectedLlmIndex = 0
                 }
                 
-                loadSelectedModelToFields()
+                loadConfigsToViews()
                 
                 settings.noteApiConfig?.let { noteConfig ->
                     val apiTypes = listOf("Flomo", "Notion", "Joplin", "Custom")
@@ -301,7 +346,7 @@ class SecondActivity : AppCompatActivity() {
                     etNoteApiKey.setText(noteConfig.apiKey)
                 }
                 
-                updateApiKeyVisibility()
+                updateApiKeyVisibilityForAll()
                 
             } catch (e: Exception) {
                 Log.e("SecondActivity", "loadConfigurations: Error parsing SettingsData", e)
@@ -311,94 +356,78 @@ class SecondActivity : AppCompatActivity() {
                     val oldConfigs = Gson().fromJson<List<APIConfig>>(json, type)
                     if (oldConfigs.isNotEmpty()) {
                         val oldConfig = oldConfigs[0]
-                        etBaseUrl.setText(oldConfig.url)
-                        etApiKey.setText(oldConfig.key)
-                        etModel.setText(oldConfig.model)
-                        updateApiKeyVisibility()
+                        etBaseUrl1.setText(oldConfig.url)
+                        etApiKey1.setText(oldConfig.key)
+                        etModel1.setText(oldConfig.model)
+                        updateApiKeyVisibilityForAll()
                     }
                 } catch (e2: Exception) {
                     Log.e("SecondActivity", "loadConfigurations: Error parsing List<APIConfig>", e2)
-                    etBaseUrl.setText("https://api.openai.com/v1")
-                    etModel.setText("gpt-4o")
-                    updateApiKeyVisibility()
+                    setDefaultConfigs()
                 }
             }
         } else {
             Log.d("SecondActivity", "loadConfigurations: No saved config, using defaults")
-            etBaseUrl.setText("https://api.openai.com/v1")
-            etModel.setText("gpt-4o")
-            updateApiKeyVisibility()
+            setDefaultConfigs()
         }
         Log.d("SecondActivity", "loadConfigurations: Completed")
     }
 
-    private fun loadSelectedModelToFields() {
-        if (llmConfigs.isNotEmpty() && selectedLlmIndex < llmConfigs.size) {
-            val config = llmConfigs[selectedLlmIndex]
-            etBaseUrl.setText(config.baseUrl)
-            etApiKey.setText(config.apiKey)
-            etModel.setText(config.model)
-            etModelName.setText(config.name)
+    private fun loadConfigsToViews() {
+        if (llmConfigs.size > 0) {
+            val config1 = llmConfigs[0]
+            etBaseUrl1.setText(config1.baseUrl)
+            etApiKey1.setText(config1.apiKey)
+            etModel1.setText(config1.model)
+            etModelName1.setText(config1.name)
+        }
+        
+        if (llmConfigs.size > 1) {
+            val config2 = llmConfigs[1]
+            etBaseUrl2.setText(config2.baseUrl)
+            etApiKey2.setText(config2.apiKey)
+            etModel2.setText(config2.model)
+            etModelName2.setText(config2.name)
+        }
+        
+        if (llmConfigs.size > 2) {
+            val config3 = llmConfigs[2]
+            etBaseUrl3.setText(config3.baseUrl)
+            etApiKey3.setText(config3.apiKey)
+            etModel3.setText(config3.model)
+            etModelName3.setText(config3.name)
         }
     }
 
-    private fun updateApiKeyVisibility() {
-        val isEmpty = etApiKey.text.toString().isEmpty()
-        etApiKey.transformationMethod = if (isEmpty) null else PasswordTransformationMethod()
-        etApiKey.setSelection(etApiKey.text.length)
+    private fun setDefaultConfigs() {
+        etBaseUrl1.setText("https://api.openai.com/v1")
+        etModel1.setText("gpt-4o")
+        etModelName1.setText("默认配置")
+        
+        etBaseUrl2.setText("https://api.openai.com/v1")
+        etModel2.setText("gpt-4o")
+        etModelName2.setText("配置2")
+        
+        etBaseUrl3.setText("https://api.openai.com/v1")
+        etModel3.setText("gpt-4o")
+        etModelName3.setText("配置3")
+        
+        updateApiKeyVisibilityForAll()
     }
 
-    private fun refreshModelList() {
-        llModelList.removeAllViews()
-        for ((index, config) in llmConfigs.withIndex()) {
-            val view = layoutInflater.inflate(R.layout.model_list_item, null)
-            val tvName = view.findViewById<TextView>(R.id.tvModelName)
-            val btnEdit = view.findViewById<Button>(R.id.btnEditModel)
-            val btnDelete = view.findViewById<Button>(R.id.btnDeleteModel)
-            
-            tvName.text = config.name.ifEmpty { "未命名" }
-            
-            btnEdit.setOnClickListener {
-                selectedLlmIndex = index
-                loadSelectedModelToFields()
-                Toast.makeText(this, "正在编辑: ${config.name}", Toast.LENGTH_SHORT).show()
+    private fun updateApiKeyVisibilityForAll() {
+        updateApiKeyVisibility(etApiKey1, btnToggleApiKey1)
+        updateApiKeyVisibility(etApiKey2, btnToggleApiKey2)
+        updateApiKeyVisibility(etApiKey3, btnToggleApiKey3)
     }
 
-            btnDelete.setOnClickListener {
-                if (llmConfigs.size <= 1) {
-                    Toast.makeText(this, "至少保留一个配置", Toast.LENGTH_SHORT).show()
-                    return@setOnClickListener
-                }
-                llmConfigs.removeAt(index)
-                if (selectedLlmIndex >= llmConfigs.size) {
-                    selectedLlmIndex = llmConfigs.size - 1
-                }
-                loadSelectedModelToFields()
-                refreshModelList()
-                Toast.makeText(this, "配置已删除", Toast.LENGTH_SHORT).show()
-            }
-            
-            llModelList.addView(view)
-        }
+    private fun updateApiKeyVisibility(editText: EditText, button: ImageButton) {
+        val isEmpty = editText.text.toString().isEmpty()
+        editText.transformationMethod = if (isEmpty) null else PasswordTransformationMethod()
+        editText.setSelection(editText.text.length)
     }
 
     private fun setupUI() {
-        refreshModelList()
-        
-        btnAddModel.setOnClickListener {
-            val newName = "新配置 ${llmConfigs.size + 1}"
-            val newConfig = LLMConfig(
-                name = newName,
-                baseUrl = etBaseUrl.text.toString().ifEmpty { "https://api.openai.com/v1" },
-                apiKey = "",
-                model = "gpt-4o"
-            )
-            llmConfigs.add(newConfig)
-            selectedLlmIndex = llmConfigs.size - 1
-            loadSelectedModelToFields()
-            refreshModelList()
-        }
-        
         // Setup headers
         llHeadersList.removeAllViews()
         if (headerConfigs.isEmpty()) {
@@ -453,20 +482,28 @@ class SecondActivity : AppCompatActivity() {
         }
     }
 
-    private fun testConnection() {
-        val baseUrl = etBaseUrl.text.toString().trim()
-        val apiKey = etApiKey.text.toString().trim()
-        val model = etModel.text.toString().trim()
+    private fun toggleApiKeyVisibility(editText: EditText, button: ImageButton) {
+        val isPassword = editText.transformationMethod is PasswordTransformationMethod
+        editText.transformationMethod = if (isPassword) null else PasswordTransformationMethod()
+        editText.setSelection(editText.text.length)
         
+        if (isPassword) {
+            button.setImageResource(android.R.drawable.ic_menu_view)
+        } else {
+            button.setImageResource(android.R.drawable.ic_lock_idle_lock)
+        }
+    }
+
+    private fun testConnection(baseUrl: String, apiKey: String, model: String, statusView: TextView, button: Button) {
         if (baseUrl.isEmpty()) {
-            tvTestStatus.text = "错误: Base URL 不能为空"
-            tvTestStatus.setTextColor(ContextCompat.getColor(this, R.color.error))
+            statusView.text = "错误: Base URL 不能为空"
+            statusView.setTextColor(ContextCompat.getColor(this, R.color.error))
             return
         }
         
-        tvTestStatus.text = "测试中..."
-        tvTestStatus.setTextColor(ContextCompat.getColor(this, R.color.warning))
-        btnTestConnection.isEnabled = false
+        statusView.text = "测试中..."
+        statusView.setTextColor(ContextCompat.getColor(this, R.color.warning))
+        button.isEnabled = false
         
         CoroutineScope(Dispatchers.IO).launch {
             try {
@@ -499,7 +536,7 @@ class SecondActivity : AppCompatActivity() {
                 val response = client.newCall(request).execute()
                 
                 withContext(Dispatchers.Main) {
-                    btnTestConnection.isEnabled = true
+                    button.isEnabled = true
                     if (response.isSuccessful) {
                         val responseBody = response.body?.string()
                         val responseJson = org.json.JSONObject(responseBody ?: "")
@@ -507,27 +544,57 @@ class SecondActivity : AppCompatActivity() {
                         if (choices != null && choices.length() > 0) {
                             val message = choices.getJSONObject(0).optJSONObject("message")
                             val content = message?.optString("content", "") ?: ""
-                            tvTestStatus.text = "连接成功: ${content.take(20)}"
-                            tvTestStatus.setTextColor(ContextCompat.getColor(this@SecondActivity, R.color.success))
+                            statusView.text = "连接成功: ${content.take(20)}"
+                            statusView.setTextColor(ContextCompat.getColor(this@SecondActivity, R.color.success))
                         } else {
-                            tvTestStatus.text = "连接成功，但返回格式异常"
-                            tvTestStatus.setTextColor(ContextCompat.getColor(this@SecondActivity, R.color.warning))
+                            statusView.text = "连接成功，但返回格式异常"
+                            statusView.setTextColor(ContextCompat.getColor(this@SecondActivity, R.color.warning))
                         }
                     } else {
-                        tvTestStatus.text = "连接失败: ${response.code} ${response.message}"
-                        tvTestStatus.setTextColor(ContextCompat.getColor(this@SecondActivity, R.color.error))
+                        statusView.text = "连接失败: ${response.code} ${response.message}"
+                        statusView.setTextColor(ContextCompat.getColor(this@SecondActivity, R.color.error))
                     }
                 }
             } catch (e: Exception) {
                 withContext(Dispatchers.Main) {
-                    btnTestConnection.isEnabled = true
-                    tvTestStatus.text = "连接失败: ${e.message}"
-                    tvTestStatus.setTextColor(ContextCompat.getColor(this@SecondActivity, R.color.error))
+                    button.isEnabled = true
+                    statusView.text = "连接失败: ${e.message}"
+                    statusView.setTextColor(ContextCompat.getColor(this@SecondActivity, R.color.error))
                 }
             }
         }
     }
 
+    private fun testConnection1() {
+        testConnection(
+            etBaseUrl1.text.toString().trim(),
+            etApiKey1.text.toString().trim(),
+            etModel1.text.toString().trim(),
+            tvTestStatus1,
+            btnTestConnection1
+        )
+    }
+
+    private fun testConnection2() {
+        testConnection(
+            etBaseUrl2.text.toString().trim(),
+            etApiKey2.text.toString().trim(),
+            etModel2.text.toString().trim(),
+            tvTestStatus2,
+            btnTestConnection2
+        )
+    }
+
+    private fun testConnection3() {
+        testConnection(
+            etBaseUrl3.text.toString().trim(),
+            etApiKey3.text.toString().trim(),
+            etModel3.text.toString().trim(),
+            tvTestStatus3,
+            btnTestConnection3
+        )
+    }
+
     private fun addHeaderEntry(key: String = "", value: String = "") {
         val view = layoutInflater.inflate(R.layout.header_entry, null)
         val etKey = view.findViewById<EditText>(R.id.etHeaderKey)
@@ -567,23 +634,26 @@ class SecondActivity : AppCompatActivity() {
     }
 
     private fun saveConfigurations() {
-        if (llmConfigs.isNotEmpty() && selectedLlmIndex < llmConfigs.size) {
-            val currentConfig = llmConfigs[selectedLlmIndex]
-            llmConfigs[selectedLlmIndex] = currentConfig.copy(
-                name = etModelName.text.toString().ifEmpty { "未命名" },
-                baseUrl = etBaseUrl.text.toString(),
-                apiKey = etApiKey.text.toString(),
-                model = etModel.text.toString()
-            )
-        } else {
+        // Update LLM configs from views
+        llmConfigs.clear()
         llmConfigs.add(LLMConfig(
-                name = etModelName.text.toString().ifEmpty { "默认配置" },
-                baseUrl = etBaseUrl.text.toString(),
-                apiKey = etApiKey.text.toString(),
-                model = etModel.text.toString()
+            name = etModelName1.text.toString().ifEmpty { "默认配置" },
+            baseUrl = etBaseUrl1.text.toString(),
+            apiKey = etApiKey1.text.toString(),
+            model = etModel1.text.toString()
+        ))
+        llmConfigs.add(LLMConfig(
+            name = etModelName2.text.toString().ifEmpty { "配置2" },
+            baseUrl = etBaseUrl2.text.toString(),
+            apiKey = etApiKey2.text.toString(),
+            model = etModel2.text.toString()
+        ))
+        llmConfigs.add(LLMConfig(
+            name = etModelName3.text.toString().ifEmpty { "配置3" },
+            baseUrl = etBaseUrl3.text.toString(),
+            apiKey = etApiKey3.text.toString(),
+            model = etModel3.text.toString()
         ))
-            selectedLlmIndex = 0
-        }
 
         headerConfigs.clear()
         for (i in 0 until llHeadersList.childCount) {
@@ -629,10 +699,10 @@ class SecondActivity : AppCompatActivity() {
         apiConfig = APIConfig(
             System.currentTimeMillis(),
             "llm-config",
-            etBaseUrl.text.toString(),
-            etApiKey.text.toString(),
+            etBaseUrl1.text.toString(),
+            etApiKey1.text.toString(),
             "",
-            etModel.text.toString()
+            etModel1.text.toString()
         )
     }