diff --git a/main/manager-api/src/main/java/xiaozhi/modules/agent/dto/McpJsonRpcResponse.java b/main/manager-api/src/main/java/xiaozhi/modules/agent/dto/McpJsonRpcResponse.java
deleted file mode 100644
index 1bd667e6..00000000
--- a/main/manager-api/src/main/java/xiaozhi/modules/agent/dto/McpJsonRpcResponse.java
+++ /dev/null
@@ -1,48 +0,0 @@
-package xiaozhi.modules.agent.dto;
-
-import lombok.Data;
-
-/**
- * MCP JSON-RPC 响应 DTO
- */
-@Data
-public class McpJsonRpcResponse {
-    private String jsonrpc = "2.0";
-    private Integer id;
-    private McpResult result;
-    private McpError error;
-
-    public McpJsonRpcResponse() {
-    }
-
-    @Data
-    public static class McpResult {
-        private String type;
-        private String message;
-        private String agent_id;
-        private McpTool[] tools;
-
-        public McpResult() {
-        }
-    }
-
-    @Data
-    public static class McpTool {
-        private String name;
-        private String description;
-        private Object inputSchema;
-
-        public McpTool() {
-        }
-    }
-
-    @Data
-    public static class McpError {
-        private Integer code;
-        private String message;
-        private Object data;
-
-        public McpError() {
-        }
-    }
-}
\ No newline at end of file
diff --git a/main/manager-api/src/main/java/xiaozhi/modules/device/dto/DeviceBindDTO.java b/main/manager-api/src/main/java/xiaozhi/modules/device/dto/DeviceBindDTO.java
deleted file mode 100644
index 3413c31b..00000000
--- a/main/manager-api/src/main/java/xiaozhi/modules/device/dto/DeviceBindDTO.java
+++ /dev/null
@@ -1,27 +0,0 @@
-package xiaozhi.modules.device.dto;
-
-import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.AllArgsConstructor;
-import lombok.Data;
-
-/**
- * 设备绑定的DTO
- * 
- * @author zjy
- * @since 2025-3-28
- */
-@Data
-@AllArgsConstructor
-@Schema(description = "设备连接头信息")
-public class DeviceBindDTO {
-
-    @Schema(description = "mac地址")
-    private String macAddress;
-
-    @Schema(description = "所属用户id")
-    private Long userId;
-
-    @Schema(description = "智能体id")
-    private String agentId;
-
-}
\ No newline at end of file
diff --git a/main/manager-api/src/main/java/xiaozhi/modules/knowledge/service/impl/KnowledgeBaseServiceImpl.java b/main/manager-api/src/main/java/xiaozhi/modules/knowledge/service/impl/KnowledgeBaseServiceImpl.java
index ec9a8ba3..918148d1 100644
--- a/main/manager-api/src/main/java/xiaozhi/modules/knowledge/service/impl/KnowledgeBaseServiceImpl.java
+++ b/main/manager-api/src/main/java/xiaozhi/modules/knowledge/service/impl/KnowledgeBaseServiceImpl.java
@@ -145,7 +145,7 @@ public class KnowledgeBaseServiceImpl extends BaseServiceImpl<KnowledgeBaseDao,
             }
 
         } catch (Exception e) {
-            log.warn("同步数据集信息失败 {}: {}", dto.getName(), e.getMessage());
+            log.error("同步数据集信息失败 {}: {}", dto.getName(), e.getMessage());
             dto.setDocumentCount(0);
             dto.setErrorMessage(e.getMessage());
         }