diff --git a/internal/agent/agent.go b/internal/agent/agent.go
index bc858106..428d0caf 100644
--- a/internal/agent/agent.go
+++ b/internal/agent/agent.go
@@ -1283,6 +1283,12 @@ func (a *Agent) UpdateConfig(cfg *config.OpenAIConfig) {
 	a.mu.Lock()
 	defer a.mu.Unlock()
 	a.config = cfg
+
+	// 同时更新MemoryCompressor的配置（如果存在）
+	if a.memoryCompressor != nil {
+		a.memoryCompressor.UpdateConfig(cfg)
+	}
+
 	a.logger.Info("Agent配置已更新",
 		zap.String("base_url", cfg.BaseURL),
 		zap.String("model", cfg.Model),
diff --git a/internal/agent/memory_compressor.go b/internal/agent/memory_compressor.go
index ece7497d..14aec88b 100644
--- a/internal/agent/memory_compressor.go
+++ b/internal/agent/memory_compressor.go
@@ -138,6 +138,26 @@ func NewMemoryCompressor(cfg MemoryCompressorConfig) (*MemoryCompressor, error)
 	}, nil
 }
 
+// UpdateConfig 更新OpenAI配置（用于动态更新模型配置）
+func (mc *MemoryCompressor) UpdateConfig(cfg *config.OpenAIConfig) {
+	if cfg == nil {
+		return
+	}
+	
+	// 更新summaryModel字段
+	if cfg.Model != "" {
+		mc.summaryModel = cfg.Model
+	}
+	
+	// 更新completionClient中的配置（如果是OpenAICompletionClient）
+	if openAIClient, ok := mc.completionClient.(*OpenAICompletionClient); ok {
+		openAIClient.config = cfg
+		mc.logger.Info("MemoryCompressor配置已更新",
+			zap.String("model", cfg.Model),
+		)
+	}
+}
+
 // CompressHistory 根据Token限制压缩历史消息。
 func (mc *MemoryCompressor) CompressHistory(ctx context.Context, messages []ChatMessage) ([]ChatMessage, bool, error) {
 	if len(messages) == 0 {
@@ -238,11 +258,24 @@ func (mc *MemoryCompressor) countTotalTokens(systemMsgs, regularMsgs []ChatMessa
 	return total
 }
 
+// getModelName 获取当前使用的模型名称（优先从completionClient获取最新配置）
+func (mc *MemoryCompressor) getModelName() string {
+	// 如果completionClient是OpenAICompletionClient，从它获取最新的模型名称
+	if openAIClient, ok := mc.completionClient.(*OpenAICompletionClient); ok {
+		if openAIClient.config != nil && openAIClient.config.Model != "" {
+			return openAIClient.config.Model
+		}
+	}
+	// 否则使用保存的summaryModel
+	return mc.summaryModel
+}
+
 func (mc *MemoryCompressor) countTokens(text string) int {
 	if mc.tokenCounter == nil {
 		return len(text) / 4
 	}
-	count, err := mc.tokenCounter.Count(mc.summaryModel, text)
+	modelName := mc.getModelName()
+	count, err := mc.tokenCounter.Count(modelName, text)
 	if err != nil {
 		return len(text) / 4
 	}
@@ -269,7 +302,9 @@ func (mc *MemoryCompressor) summarizeChunk(ctx context.Context, chunk []ChatMess
 	conversation := strings.Join(formatted, "\n")
 	prompt := fmt.Sprintf(summaryPromptTemplate, conversation)
 
-	summary, err := mc.completionClient.Complete(ctx, mc.summaryModel, prompt, mc.timeout)
+	// 使用动态获取的模型名称，而不是保存的summaryModel
+	modelName := mc.getModelName()
+	summary, err := mc.completionClient.Complete(ctx, modelName, prompt, mc.timeout)
 	if err != nil {
 		return ChatMessage{}, err
 	}
diff --git a/internal/app/app.go b/internal/app/app.go
index b7963094..845f18bf 100644
--- a/internal/app/app.go
+++ b/internal/app/app.go
@@ -128,9 +128,9 @@ func New(cfg *config.Config, log *logger.Logger) (*App, error) {
 	monitorHandler.SetExternalMCPManager(externalMCPMgr) // 设置外部MCP管理器，以便获取外部MCP执行记录
 	conversationHandler := handler.NewConversationHandler(db, log.Logger)
 	authHandler := handler.NewAuthHandler(authManager, cfg, configPath, log.Logger)
-	configHandler := handler.NewConfigHandler(configPath, cfg, mcpServer, executor, agent, externalMCPMgr, log.Logger)
-	externalMCPHandler := handler.NewExternalMCPHandler(externalMCPMgr, cfg, configPath, log.Logger)
 	attackChainHandler := handler.NewAttackChainHandler(db, &cfg.OpenAI, log.Logger)
+	configHandler := handler.NewConfigHandler(configPath, cfg, mcpServer, executor, agent, attackChainHandler, externalMCPMgr, log.Logger)
+	externalMCPHandler := handler.NewExternalMCPHandler(externalMCPMgr, cfg, configPath, log.Logger)
 
 	// 设置路由
 	setupRoutes(
diff --git a/internal/database/conversation.go b/internal/database/conversation.go
index e21c6c27..e15785a0 100644
--- a/internal/database/conversation.go
+++ b/internal/database/conversation.go
@@ -74,15 +74,15 @@ func (db *DB) GetConversation(id string) (*Conversation, error) {
 		conv.CreatedAt, err1 = time.Parse("2006-01-02 15:04:05", createdAt)
 	}
 	if err1 != nil {
-		conv.CreatedAt, err1 = time.Parse(time.RFC3339, createdAt)
+		conv.CreatedAt, _ = time.Parse(time.RFC3339, createdAt)
 	}
-	
+
 	conv.UpdatedAt, err2 = time.Parse("2006-01-02 15:04:05.999999999-07:00", updatedAt)
 	if err2 != nil {
 		conv.UpdatedAt, err2 = time.Parse("2006-01-02 15:04:05", updatedAt)
 	}
 	if err2 != nil {
-		conv.UpdatedAt, err2 = time.Parse(time.RFC3339, updatedAt)
+		conv.UpdatedAt, _ = time.Parse(time.RFC3339, updatedAt)
 	}
 
 	// 加载消息
@@ -155,17 +155,17 @@ func (db *DB) ListConversations(limit, offset int) ([]*Conversation, error) {
 			conv.CreatedAt, err1 = time.Parse("2006-01-02 15:04:05", createdAt)
 		}
 		if err1 != nil {
-			conv.CreatedAt, err1 = time.Parse(time.RFC3339, createdAt)
+			conv.CreatedAt, _ = time.Parse(time.RFC3339, createdAt)
 		}
-		
+
 		conv.UpdatedAt, err2 = time.Parse("2006-01-02 15:04:05.999999999-07:00", updatedAt)
 		if err2 != nil {
 			conv.UpdatedAt, err2 = time.Parse("2006-01-02 15:04:05", updatedAt)
 		}
 		if err2 != nil {
-			conv.UpdatedAt, err2 = time.Parse(time.RFC3339, updatedAt)
+			conv.UpdatedAt, _ = time.Parse(time.RFC3339, updatedAt)
 		}
-		
+
 		conversations = append(conversations, &conv)
 	}
 
@@ -208,7 +208,7 @@ func (db *DB) DeleteConversation(id string) error {
 // AddMessage 添加消息
 func (db *DB) AddMessage(conversationID, role, content string, mcpExecutionIDs []string) (*Message, error) {
 	id := uuid.New().String()
-	
+
 	var mcpIDsJSON string
 	if len(mcpExecutionIDs) > 0 {
 		jsonData, err := json.Marshal(mcpExecutionIDs)
@@ -272,7 +272,7 @@ func (db *DB) GetMessages(conversationID string) ([]Message, error) {
 			msg.CreatedAt, err = time.Parse("2006-01-02 15:04:05", createdAt)
 		}
 		if err != nil {
-			msg.CreatedAt, err = time.Parse(time.RFC3339, createdAt)
+			msg.CreatedAt, _ = time.Parse(time.RFC3339, createdAt)
 		}
 
 		// 解析MCP执行ID
@@ -290,19 +290,19 @@ func (db *DB) GetMessages(conversationID string) ([]Message, error) {
 
 // ProcessDetail 过程详情事件
 type ProcessDetail struct {
-	ID            string    `json:"id"`
-	MessageID     string    `json:"messageId"`
-	ConversationID string   `json:"conversationId"`
-	EventType     string    `json:"eventType"` // iteration, thinking, tool_calls_detected, tool_call, tool_result, progress, error
-	Message       string    `json:"message"`
-	Data          string    `json:"data"` // JSON格式的数据
-	CreatedAt     time.Time `json:"createdAt"`
+	ID             string    `json:"id"`
+	MessageID      string    `json:"messageId"`
+	ConversationID string    `json:"conversationId"`
+	EventType      string    `json:"eventType"` // iteration, thinking, tool_calls_detected, tool_call, tool_result, progress, error
+	Message        string    `json:"message"`
+	Data           string    `json:"data"` // JSON格式的数据
+	CreatedAt      time.Time `json:"createdAt"`
 }
 
 // AddProcessDetail 添加过程详情事件
 func (db *DB) AddProcessDetail(messageID, conversationID, eventType, message string, data interface{}) error {
 	id := uuid.New().String()
-	
+
 	var dataJSON string
 	if data != nil {
 		jsonData, err := json.Marshal(data)
@@ -351,7 +351,7 @@ func (db *DB) GetProcessDetails(messageID string) ([]ProcessDetail, error) {
 			detail.CreatedAt, err = time.Parse("2006-01-02 15:04:05", createdAt)
 		}
 		if err != nil {
-			detail.CreatedAt, err = time.Parse(time.RFC3339, createdAt)
+			detail.CreatedAt, _ = time.Parse(time.RFC3339, createdAt)
 		}
 
 		details = append(details, detail)
@@ -387,7 +387,7 @@ func (db *DB) GetProcessDetailsByConversation(conversationID string) (map[string
 			detail.CreatedAt, err = time.Parse("2006-01-02 15:04:05", createdAt)
 		}
 		if err != nil {
-			detail.CreatedAt, err = time.Parse(time.RFC3339, createdAt)
+			detail.CreatedAt, _ = time.Parse(time.RFC3339, createdAt)
 		}
 
 		detailsMap[detail.MessageID] = append(detailsMap[detail.MessageID], detail)
@@ -395,4 +395,3 @@ func (db *DB) GetProcessDetailsByConversation(conversationID string) (map[string
 
 	return detailsMap, nil
 }
-
diff --git a/internal/handler/attackchain.go b/internal/handler/attackchain.go
index e018c004..2b78b9bf 100644
--- a/internal/handler/attackchain.go
+++ b/internal/handler/attackchain.go
@@ -19,6 +19,7 @@ type AttackChainHandler struct {
 	db           *database.DB
 	logger       *zap.Logger
 	openAIConfig *config.OpenAIConfig
+	mu           sync.RWMutex // 保护 openAIConfig 的并发访问
 	// 用于防止同一对话的并发生成
 	generatingLocks sync.Map // map[string]*sync.Mutex
 }
@@ -32,6 +33,24 @@ func NewAttackChainHandler(db *database.DB, openAIConfig *config.OpenAIConfig, l
 	}
 }
 
+// UpdateConfig 更新OpenAI配置
+func (h *AttackChainHandler) UpdateConfig(cfg *config.OpenAIConfig) {
+	h.mu.Lock()
+	defer h.mu.Unlock()
+	h.openAIConfig = cfg
+	h.logger.Info("AttackChainHandler配置已更新",
+		zap.String("base_url", cfg.BaseURL),
+		zap.String("model", cfg.Model),
+	)
+}
+
+// getOpenAIConfig 获取OpenAI配置（线程安全）
+func (h *AttackChainHandler) getOpenAIConfig() *config.OpenAIConfig {
+	h.mu.RLock()
+	defer h.mu.RUnlock()
+	return h.openAIConfig
+}
+
 // GetAttackChain 获取攻击链（按需生成）
 // GET /api/attack-chain/:conversationId
 func (h *AttackChainHandler) GetAttackChain(c *gin.Context) {
@@ -50,7 +69,8 @@ func (h *AttackChainHandler) GetAttackChain(c *gin.Context) {
 	}
 
 	// 先尝试从数据库加载（如果已生成过）
-	builder := attackchain.NewBuilder(h.db, h.openAIConfig, h.logger)
+	openAIConfig := h.getOpenAIConfig()
+	builder := attackchain.NewBuilder(h.db, openAIConfig, h.logger)
 	chain, err := builder.LoadChainFromDatabase(conversationID)
 	if err == nil && len(chain.Nodes) > 0 {
 		// 如果已存在，直接返回
@@ -139,7 +159,8 @@ func (h *AttackChainHandler) RegenerateAttackChain(c *gin.Context) {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
 	defer cancel()
 
-	builder := attackchain.NewBuilder(h.db, h.openAIConfig, h.logger)
+	openAIConfig := h.getOpenAIConfig()
+	builder := attackchain.NewBuilder(h.db, openAIConfig, h.logger)
 	chain, err := builder.BuildChainFromConversation(ctx, conversationID)
 	if err != nil {
 		h.logger.Error("生成攻击链失败", zap.String("conversationId", conversationID), zap.Error(err))
diff --git a/internal/handler/config.go b/internal/handler/config.go
index 94e01d1d..6cd08e0d 100644
--- a/internal/handler/config.go
+++ b/internal/handler/config.go
@@ -22,14 +22,20 @@ import (
 
 // ConfigHandler 配置处理器
 type ConfigHandler struct {
-	configPath    string
-	config        *config.Config
-	mcpServer     *mcp.Server
-	executor      *security.Executor
-	agent         AgentUpdater // Agent接口，用于更新Agent配置
-	externalMCPMgr *mcp.ExternalMCPManager // 外部MCP管理器
-	logger        *zap.Logger
-	mu            sync.RWMutex
+	configPath      string
+	config          *config.Config
+	mcpServer       *mcp.Server
+	executor        *security.Executor
+	agent           AgentUpdater // Agent接口，用于更新Agent配置
+	attackChainHandler AttackChainUpdater // 攻击链处理器接口，用于更新配置
+	externalMCPMgr  *mcp.ExternalMCPManager // 外部MCP管理器
+	logger          *zap.Logger
+	mu              sync.RWMutex
+}
+
+// AttackChainUpdater 攻击链处理器更新接口
+type AttackChainUpdater interface {
+	UpdateConfig(cfg *config.OpenAIConfig)
 }
 
 // AgentUpdater Agent更新接口
@@ -39,15 +45,16 @@ type AgentUpdater interface {
 }
 
 // NewConfigHandler 创建新的配置处理器
-func NewConfigHandler(configPath string, cfg *config.Config, mcpServer *mcp.Server, executor *security.Executor, agent AgentUpdater, externalMCPMgr *mcp.ExternalMCPManager, logger *zap.Logger) *ConfigHandler {
+func NewConfigHandler(configPath string, cfg *config.Config, mcpServer *mcp.Server, executor *security.Executor, agent AgentUpdater, attackChainHandler AttackChainUpdater, externalMCPMgr *mcp.ExternalMCPManager, logger *zap.Logger) *ConfigHandler {
 	return &ConfigHandler{
-		configPath:     configPath,
-		config:         cfg,
-		mcpServer:      mcpServer,
-		executor:       executor,
-		agent:          agent,
-		externalMCPMgr: externalMCPMgr,
-		logger:         logger,
+		configPath:        configPath,
+		config:            cfg,
+		mcpServer:         mcpServer,
+		executor:          executor,
+		agent:             agent,
+		attackChainHandler: attackChainHandler,
+		externalMCPMgr:     externalMCPMgr,
+		logger:            logger,
 	}
 }
 
@@ -522,6 +529,12 @@ func (h *ConfigHandler) ApplyConfig(c *gin.Context) {
 		h.logger.Info("Agent配置已更新")
 	}
 
+	// 更新AttackChainHandler的OpenAI配置
+	if h.attackChainHandler != nil {
+		h.attackChainHandler.UpdateConfig(&h.config.OpenAI)
+		h.logger.Info("AttackChainHandler配置已更新")
+	}
+
 	h.logger.Info("配置已应用",
 		zap.Int("tools_count", len(h.config.Security.Tools)),
 	)
diff --git a/web/static/js/chat.js b/web/static/js/chat.js
index ba722f04..8b5db254 100644
--- a/web/static/js/chat.js
+++ b/web/static/js/chat.js
@@ -506,7 +506,7 @@ function initializeChatUI() {
 let messageCounter = 0;
 
 // 添加消息
-function addMessage(role, content, mcpExecutionIds = null, progressId = null) {
+function addMessage(role, content, mcpExecutionIds = null, progressId = null, createdAt = null) {
     const messagesDiv = document.getElementById('chat-messages');
     const messageDiv = document.createElement('div');
     messageCounter++;
@@ -582,7 +582,25 @@ function addMessage(role, content, mcpExecutionIds = null, progressId = null) {
     // 添加时间戳
     const timeDiv = document.createElement('div');
     timeDiv.className = 'message-time';
-    timeDiv.textContent = new Date().toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' });
+    // 如果有传入的创建时间，使用它；否则使用当前时间
+    let messageTime;
+    if (createdAt) {
+        // 处理字符串或Date对象
+        if (typeof createdAt === 'string') {
+            messageTime = new Date(createdAt);
+        } else if (createdAt instanceof Date) {
+            messageTime = createdAt;
+        } else {
+            messageTime = new Date(createdAt);
+        }
+        // 如果解析失败，使用当前时间
+        if (isNaN(messageTime.getTime())) {
+            messageTime = new Date();
+        }
+    } else {
+        messageTime = new Date();
+    }
+    timeDiv.textContent = messageTime.toLocaleTimeString('zh-CN', { hour: '2-digit', minute: '2-digit' });
     contentWrapper.appendChild(timeDiv);
     
     // 如果有MCP执行ID或进度ID，添加查看详情区域（统一使用"渗透测试详情"样式）
@@ -1088,7 +1106,8 @@ async function loadConversation(conversationId) {
                     }
                 }
                 
-                const messageId = addMessage(msg.role, displayContent, msg.mcpExecutionIds || []);
+                // 传递消息的创建时间
+                const messageId = addMessage(msg.role, displayContent, msg.mcpExecutionIds || [], null, msg.createdAt);
                 // 如果有过程详情，显示它们
                 if (msg.processDetails && msg.processDetails.length > 0 && msg.role === 'assistant') {
                     // 延迟一下，确保消息已经渲染