diff --git a/src-tauri/src/commands/flow_monitor_cmd.rs b/src-tauri/src/commands/flow_monitor_cmd.rs
index cef182789..613c142dc 100644
--- a/src-tauri/src/commands/flow_monitor_cmd.rs
+++ b/src-tauri/src/commands/flow_monitor_cmd.rs
@@ -507,6 +507,7 @@ pub async fn cleanup_flows(
             // 清理所有数据 - 使用当前时间 + 1天，确保删除所有数据
             let before = chrono::Utc::now() + chrono::Duration::days(1);
 
+            // 清理文件存储
             if let Some(file_store) = monitor.0.file_store() {
                 match file_store.cleanup(before) {
                     Ok(result) => {
@@ -520,6 +521,14 @@ pub async fn cleanup_flows(
                     }
                 }
             }
+
+            // 清理内存存储
+            {
+                let memory_store = monitor.0.memory_store();
+                let mut store = memory_store.write().await;
+                store.clear();
+                tracing::info!("已清理内存存储");
+            }
         }
 
         CleanupType::ByTime => {
@@ -546,6 +555,15 @@ pub async fn cleanup_flows(
                     }
                 }
             }
+
+            // 清理内存存储
+            {
+                let memory_store = monitor.0.memory_store();
+                let mut store = memory_store.write().await;
+                let memory_cleaned = store.cleanup_before(before);
+                cleaned_count += memory_cleaned;
+                tracing::info!("已清理内存存储 {} 条记录", memory_cleaned);
+            }
         }
 
         CleanupType::ByCount => {
@@ -563,6 +581,15 @@ pub async fn cleanup_flows(
                     }
                 }
             }
+
+            // 清理内存存储 - 对于按数量清理，清空所有内存数据
+            // 因为文件存储已按保留策略清理，内存应保持一致
+            {
+                let memory_store = monitor.0.memory_store();
+                let mut store = memory_store.write().await;
+                store.clear();
+                tracing::info!("已清理内存存储");
+            }
         }
 
         CleanupType::ByStatus => {
diff --git a/src-tauri/src/flow_monitor/memory_store.rs b/src-tauri/src/flow_monitor/memory_store.rs
index 46bd598c1..2ce901a7c 100644
--- a/src-tauri/src/flow_monitor/memory_store.rs
+++ b/src-tauri/src/flow_monitor/memory_store.rs
@@ -506,6 +506,37 @@ impl FlowMemoryStore {
         self.ordered_ids.clear();
     }
 
+    /// 按时间清理 Flow
+    ///
+    /// 删除指定时间之前创建的所有 Flow。
+    ///
+    /// # 参数
+    /// - `before`: 截止时间，早于此时间的 Flow 将被删除
+    ///
+    /// # 返回
+    /// 删除的 Flow 数量
+    pub fn cleanup_before(&mut self, before: chrono::DateTime<chrono::Utc>) -> usize {
+        let mut to_remove = Vec::new();
+
+        for id in &self.ordered_ids {
+            if let Some(flow_lock) = self.flows.get(id) {
+                if let Ok(flow) = flow_lock.read() {
+                    if flow.timestamps.created < before {
+                        to_remove.push(id.clone());
+                    }
+                }
+            }
+        }
+
+        let count = to_remove.len();
+        for id in to_remove {
+            self.flows.remove(&id);
+            self.ordered_ids.retain(|i| i != &id);
+        }
+
+        count
+    }
+
     /// 驱逐最旧的 Flow
     fn evict_oldest(&mut self) {
         if let Some(oldest_id) = self.ordered_ids.pop_front() {
diff --git a/src/components/flow-monitor/FlowList.tsx b/src/components/flow-monitor/FlowList.tsx
index e44115825..c3ef16a31 100644
--- a/src/components/flow-monitor/FlowList.tsx
+++ b/src/components/flow-monitor/FlowList.tsx
@@ -327,6 +327,66 @@ export function FlowList({
     }
   };
 
+  // 从模型名推断实际的模型提供商
+  const inferProviderFromModel = (model: string): string | null => {
+    const modelLower = model.toLowerCase();
+
+    // DeepSeek 模型
+    if (modelLower.includes("deepseek")) {
+      return "DeepSeek";
+    }
+    // Claude 模型
+    if (
+      modelLower.includes("claude") ||
+      modelLower.includes("anthropic") ||
+      modelLower.includes("sonnet") ||
+      modelLower.includes("opus") ||
+      modelLower.includes("haiku")
+    ) {
+      return "Claude";
+    }
+    // GPT/OpenAI 模型
+    if (
+      modelLower.includes("gpt") ||
+      modelLower.includes("o1") ||
+      modelLower.includes("o3") ||
+      modelLower.includes("chatgpt")
+    ) {
+      return "OpenAI";
+    }
+    // Gemini 模型
+    if (modelLower.includes("gemini")) {
+      return "Gemini";
+    }
+    // Qwen 模型
+    if (modelLower.includes("qwen") || modelLower.includes("qwq")) {
+      return "Qwen";
+    }
+    // Llama 模型
+    if (modelLower.includes("llama")) {
+      return "Llama";
+    }
+    // Mistral 模型
+    if (modelLower.includes("mistral") || modelLower.includes("mixtral")) {
+      return "Mistral";
+    }
+
+    return null;
+  };
+
+  // 获取显示的提供商名称（优先使用模型推断的提供商）
+  const getDisplayProvider = (
+    metadataProvider: string,
+    model: string,
+  ): string => {
+    const inferredProvider = inferProviderFromModel(model);
+    // 如果能从模型名推断出提供商，且与凭证池不同，则显示推断的提供商
+    if (inferredProvider && inferredProvider !== metadataProvider) {
+      return inferredProvider;
+    }
+    return metadataProvider;
+  };
+
   const getProviderColor = (provider: string) => {
     const colors: Record<string, string> = {
       Kiro: "bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-300",
@@ -339,6 +399,12 @@ export function FlowList({
       Qwen: "bg-cyan-100 text-cyan-700 dark:bg-cyan-900/30 dark:text-cyan-300",
       Antigravity:
         "bg-pink-100 text-pink-700 dark:bg-pink-900/30 dark:text-pink-300",
+      DeepSeek:
+        "bg-indigo-100 text-indigo-700 dark:bg-indigo-900/30 dark:text-indigo-300",
+      Llama:
+        "bg-yellow-100 text-yellow-700 dark:bg-yellow-900/30 dark:text-yellow-300",
+      Mistral:
+        "bg-teal-100 text-teal-700 dark:bg-teal-900/30 dark:text-teal-300",
     };
     return (
       colors[provider] ||
@@ -553,6 +619,7 @@ export function FlowList({
                 onCopyId={(e) => handleCopyId(e, flow.id)}
                 getStateIcon={getStateIcon}
                 getProviderColor={getProviderColor}
+                getDisplayProvider={getDisplayProvider}
                 formatTime={formatTime}
               />
             ))}
@@ -605,6 +672,7 @@ interface FlowListItemProps {
   onCopyId: (e: React.MouseEvent) => void;
   getStateIcon: (state: FlowState) => React.ReactNode;
   getProviderColor: (provider: string) => string;
+  getDisplayProvider: (metadataProvider: string, model: string) => string;
   formatTime: (timestamp: string) => string;
 }
 
@@ -619,6 +687,7 @@ function FlowListItem({
   onCopyId,
   getStateIcon,
   getProviderColor,
+  getDisplayProvider,
   formatTime,
 }: FlowListItemProps) {
   const hasToolCalls =
@@ -669,14 +738,27 @@ function FlowListItem({
         </span>
 
         {/* 提供商 */}
-        <span
-          className={cn(
-            "text-xs px-2 py-0.5 rounded-full shrink-0",
-            getProviderColor(flow.metadata.provider),
-          )}
-        >
-          {flow.metadata.provider}
-        </span>
+        {(() => {
+          const displayProvider = getDisplayProvider(
+            flow.metadata.provider,
+            flow.request.model,
+          );
+          return (
+            <span
+              className={cn(
+                "text-xs px-2 py-0.5 rounded-full shrink-0",
+                getProviderColor(displayProvider),
+              )}
+              title={
+                displayProvider !== flow.metadata.provider
+                  ? `凭证池: ${flow.metadata.provider}`
+                  : undefined
+              }
+            >
+              {displayProvider}
+            </span>
+          );
+        })()}
 
         {/* 模型 */}
         <span className="text-sm font-medium truncate flex-1 min-w-0">