diff --git a/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/AgentService.kt b/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/AgentService.kt
index 7a7f18b10..1fdaea5df 100644
--- a/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/AgentService.kt
+++ b/local_plugins/agent_service/android/src/main/kotlin/com/yunqiinnovation/agent_service/AgentService.kt
@@ -888,7 +888,7 @@ object AgentService : CoroutineScope {
                                 responseBuilder.append(token)
                                 if (speakResponse && reply && broadcast) {
                                     ttsService?.speakStream(token)
-                                    audioPlayer?.stopAudio()
+                                    // audioPlayer?.stopAudio()
                                 }
                                 if (reply && token.isNotEmpty()) {
                                     // 发送流式回复token
diff --git a/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AgentServiceImpl.swift b/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AgentServiceImpl.swift
index 7e54e2c4e..bfac028cd 100644
--- a/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AgentServiceImpl.swift
+++ b/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AgentServiceImpl.swift
@@ -996,7 +996,7 @@ class ChatApiStreamCallback: StreamCallback {
             
             if speakResponse && reply && broadcast{
                 try agentService.azureTtsHelper?.speakStream(token)
-                try agentService.audioPlayer?.stopAwaitSound()
+//                try agentService.audioPlayer?.stopAwaitSound()
             }
             if (reply && token != "") {
                 try agentService.sendEvent(name: "assistant_token", data: ["token": token])
@@ -1142,7 +1142,7 @@ extension AgentServiceImpl: TtsEventListener {
             isSpeaking = true
             restartIdleCheck()
             sendEvent(name: "tts_started", data: ["status": "started"])
-            
+            audioPlayer?.stopAwaitSound()
         case .synthesisCompleted:
             isSpeaking = false
             restartIdleCheck()
diff --git a/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AudioSessionHub.swift b/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AudioSessionHub.swift
index b549e5f1a..ea6aedcda 100644
--- a/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AudioSessionHub.swift
+++ b/local_plugins/agent_service/ios/agent_service/Sources/agent_service/AudioSessionHub.swift
@@ -583,9 +583,9 @@ public class AudioSessionHub {
                     
                     switch action {
                     case .increase:
-                        newValue = min(currentValue + 0.1, 1.0)
+                        newValue = min(currentValue + 0.2, 1.0)  // 从 0.1 改为 0.2 (20%)
                     case .decrease:
-                        newValue = max(currentValue - 0.1, 0.0)
+                        newValue = max(currentValue - 0.2, 0.0)  // 从 0.1 改为 0.2 (20%)
                     case .mute:
                         newValue = 0.0
                     case .setMax:
diff --git a/local_plugins/chat_api/ios/chat_api/Sources/chat_api/MCPClient.swift b/local_plugins/chat_api/ios/chat_api/Sources/chat_api/MCPClient.swift
index 3f0caeab3..b65a7aaa4 100644
--- a/local_plugins/chat_api/ios/chat_api/Sources/chat_api/MCPClient.swift
+++ b/local_plugins/chat_api/ios/chat_api/Sources/chat_api/MCPClient.swift
@@ -28,6 +28,7 @@ public protocol FunctionHandler {
 /// - 安全的JSON-RPC消息解析，包含错误修复逻辑
 /// - 完整的SSE连接生命周期管理
 /// - 与Android端CustomSseClientTransport功能对等
+// 在 MCPSubClient 类中添加工具调用超时和重试配置
 public class MCPSubClient {
     private let serverId: String
     private let serverUrl: String
@@ -47,6 +48,10 @@ public class MCPSubClient {
     private var retryCount = 0
     private var reconnectTask: Task<Void, Never>?
     
+    // 工具调用配置 - 添加这两行
+    private let maxToolCallRetries = 3
+    private let toolCallTimeout: TimeInterval = 30.0
+    
     // 连接状态锁
     private let connectionLock = NSLock()
     
@@ -178,27 +183,55 @@ public class MCPSubClient {
     
     /// 调用工具前检查连接
     public func callTool(name: String, arguments: [String: Any]) async -> [String: Any]? {
+        return await callToolWithRetry(name: name, arguments: arguments, retryCount: 0)
+    }
+    
+    private func callToolWithRetry(name: String, arguments: [String: Any], retryCount: Int) async -> [String: Any]? {
+        print("[MCPSubClient] 工具调用尝试 \(retryCount + 1)/\(maxToolCallRetries + 1): \(name)")
+        
         // 先检查连接状态
         if !(await checkConnection()) {
+            if retryCount < maxToolCallRetries {
+                print("[MCPSubClient] 连接断开，尝试重连...")
+                if await connect() {
+                    print("[MCPSubClient] 重连成功，重试工具调用")
+                    return await callToolWithRetry(name: name, arguments: arguments, retryCount: retryCount + 1)
+                }
+            }
             return [
                 "content": [[
                     "type": "text",
-                    "text": "Tool call failed: mcp: service not connected"
+                    "text": "工具调用失败，请重试：MCP 服务连接中断"
                 ]],
                 "isError": true
             ]
         }
         
         guard isConnectedFlag, let client = mcpClient else {
-            return createErrorResult("Not connected to MCP server")
+            if retryCount < maxToolCallRetries {
+                print("[MCPSubClient] MCP 客户端未连接，尝试重连...")
+                if await connect() {
+                    return await callToolWithRetry(name: name, arguments: arguments, retryCount: retryCount + 1)
+                }
+            }
+            return createErrorResult("工具调用失败，请重试：MCP 服务未连接")
         }
         
         do {
-            let mcpArguments = convertToMCPValue(arguments)
-            let (content, isError) = try await client.callTool(name: name, arguments: mcpArguments)
+            // 使用超时控制的工具调用
+            let result = try await withTimeout(seconds: toolCallTimeout) {
+                let mcpArguments = self.convertToMCPValue(arguments)
+                return try await client.callTool(name: name, arguments: mcpArguments)
+            }
+            
+            let (content, isError) = result
             
             if isError == true {
-                return createErrorResult("Tool execution failed")
+                if retryCount < maxToolCallRetries {
+                    print("[MCPSubClient] 工具执行失败，重试中...")
+                    return await callToolWithRetry(name: name, arguments: arguments, retryCount: retryCount + 1)
+                }
+                return createErrorResult("工具调用失败，请重试：工具执行错误")
             }
             
             var contextText = ""
@@ -225,13 +258,45 @@ public class MCPSubClient {
                 }
             }
             
+            print("[MCPSubClient] 工具调用成功: \(name)")
             return [
                 "content": [["type": "text", "text": contextText.trimmingCharacters(in: .whitespacesAndNewlines)]],
                 "isError": false
             ]
             
+        } catch is TimeoutError {
+            print("[MCPSubClient] 工具调用超时: \(name)")
+            if retryCount < maxToolCallRetries {
+                print("[MCPSubClient] 超时重试中...")
+                return await callToolWithRetry(name: name, arguments: arguments, retryCount: retryCount + 1)
+            }
+            return createErrorResult("工具调用失败，请重试：连接超时")
         } catch {
-            return createErrorResult("Tool call failed: \(error.localizedDescription)")
+            print("[MCPSubClient] 工具调用异常: \(name), 错误: \(error.localizedDescription)")
+            
+            // 检查是否是连接相关错误
+            let errorDescription = error.localizedDescription.lowercased()
+            if errorDescription.contains("connection") || 
+               errorDescription.contains("network") || 
+               errorDescription.contains("timeout") ||
+               errorDescription.contains("disconnected") {
+                
+                if retryCount < maxToolCallRetries {
+                    print("[MCPSubClient] 检测到连接错误，尝试重连并重试...")
+                    // 标记连接断开
+                    isConnectedFlag = false
+                    
+                    // 尝试重连
+                    if await connect() {
+                        return await callToolWithRetry(name: name, arguments: arguments, retryCount: retryCount + 1)
+                    }
+                }
+            } else if retryCount < maxToolCallRetries {
+                print("[MCPSubClient] 其他错误，直接重试...")
+                return await callToolWithRetry(name: name, arguments: arguments, retryCount: retryCount + 1)
+            }
+            
+            return createErrorResult("工具调用失败，请重试：\(error.localizedDescription)")
         }
     }
     
diff --git a/local_plugins/chat_api/ios/chat_api/Sources/chat_api/SystemFunctionHandler.swift b/local_plugins/chat_api/ios/chat_api/Sources/chat_api/SystemFunctionHandler.swift
index 98773d41f..bcacf4eb5 100644
--- a/local_plugins/chat_api/ios/chat_api/Sources/chat_api/SystemFunctionHandler.swift
+++ b/local_plugins/chat_api/ios/chat_api/Sources/chat_api/SystemFunctionHandler.swift
@@ -795,7 +795,7 @@ private class GetCurrentTimeHandler: FunctionHandler {
 private class MediaPlayHandler: FunctionHandler {
     func handle(arguments: [String: Any]) async throws -> String {
         NotificationCenter.default.post(name: NSNotification.Name("MediaPlay"), object: nil)
-        return "{\"result\": \"已开始播放媒体\"}"
+        return "{\"notreply\": true,\"result\": \"已开始播放媒体\"}"
     }
 }
 
@@ -803,7 +803,7 @@ private class MediaPlayHandler: FunctionHandler {
 private class MediaPauseHandler: FunctionHandler {
     func handle(arguments: [String: Any]) async throws -> String {
         NotificationCenter.default.post(name: NSNotification.Name("MediaPause"), object: nil)
-        return "{\"result\": \"已暂停媒体播放\"}"
+        return "{\"broadcast\": true,\"result\": \"已暂停媒体播放\"}"
     }
 }
 
@@ -811,7 +811,7 @@ private class MediaPauseHandler: FunctionHandler {
 private class MediaPreviousHandler: FunctionHandler {
     func handle(arguments: [String: Any]) async throws -> String {
         NotificationCenter.default.post(name: NSNotification.Name("MediaPrevious"), object: nil)
-        return "{\"result\": \"已切换到上一首\"}"
+        return "{\"notreply\": true,\"result\": \"已切换到上一首\"}"
     }
 }
 
@@ -819,7 +819,7 @@ private class MediaPreviousHandler: FunctionHandler {
 private class MediaNextHandler: FunctionHandler {
     func handle(arguments: [String: Any]) async throws -> String {
         NotificationCenter.default.post(name: NSNotification.Name("MediaNext"), object: nil)
-        return "{\"result\": \"已切换到下一首\"}"
+        return "{\"notreply\": true,\"result\": \"已切换到下一首\"}"
     }
 }
 
@@ -833,7 +833,7 @@ private class OpenRecorderHandler: FunctionHandler {
             }
         }
         
-        return "{\"result\": \"无法打开录音机应用\"}"
+        return "{\"notreply\": true,\"result\": \"无法打开录音机应用\"}"
     }
 }
 
@@ -905,7 +905,7 @@ private class AddVolumeHandler: FunctionHandler {
             object: volumeInfo
         )
         
-        return "{\"result\": \"音量增加请求已发送\"}"
+        return "{\"broadcast\": false,\"result\": \"音量增加请求已发送\"}"
     }
 }
 
@@ -921,7 +921,7 @@ private class ReduceVolumeHandler: FunctionHandler {
             object: volumeInfo
         )
         
-        return "{\"result\": \"音量降低请求已发送\"}"
+        return "{\"broadcast\": false,\"result\": \"音量降低请求已发送\"}"
     }
 }
 
@@ -937,7 +937,7 @@ private class MuteVolumeHandler: FunctionHandler {
             object: volumeInfo
         )
         
-        return "{\"result\": \"静音请求已发送\"}"
+        return "{\"broadcast\": false,\"result\": \"静音请求已发送\"}"
     }
 }
 
@@ -953,6 +953,6 @@ private class MaxVolumeHandler: FunctionHandler {
             object: volumeInfo
         )
         
-        return "{\"result\": \"最大音量请求已发送\"}"
+        return "{\"broadcast\": false,\"result\": \"最大音量请求已发送\"}"
     }
 }