diff --git a/docs/docs.go b/docs/docs.go
index 12ddeb1..5826ff3 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -899,12 +899,6 @@ const docTemplate = `{
                                 }
                             ]
                         }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             },
@@ -949,18 +943,6 @@ const docTemplate = `{
                                 }
                             ]
                         }
-                    },
-                    "400": {
-                        "description": "请求参数错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             }
@@ -1002,24 +984,6 @@ const docTemplate = `{
                                 }
                             ]
                         }
-                    },
-                    "400": {
-                        "description": "无效的ID格式",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "404": {
-                        "description": "猪批次不存在",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             },
@@ -1071,24 +1035,6 @@ const docTemplate = `{
                                 }
                             ]
                         }
-                    },
-                    "400": {
-                        "description": "请求参数错误或无效的ID格式",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "404": {
-                        "description": "猪批次不存在",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             },
@@ -1116,24 +1062,6 @@ const docTemplate = `{
                         "schema": {
                             "$ref": "#/definitions/controller.Response"
                         }
-                    },
-                    "400": {
-                        "description": "无效的ID格式",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "404": {
-                        "description": "猪批次不存在",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             }
@@ -1175,30 +1103,6 @@ const docTemplate = `{
                         "schema": {
                             "$ref": "#/definitions/controller.Response"
                         }
-                    },
-                    "400": {
-                        "description": "请求参数错误或无效的ID格式",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "404": {
-                        "description": "猪批次或猪栏不存在",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "409": {
-                        "description": "业务逻辑冲突 (如猪栏已被使用)",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             }
diff --git a/docs/swagger.json b/docs/swagger.json
index 349588d..44315f0 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -888,12 +888,6 @@
                                 }
                             ]
                         }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             },
@@ -938,18 +932,6 @@
                                 }
                             ]
                         }
-                    },
-                    "400": {
-                        "description": "请求参数错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             }
@@ -991,24 +973,6 @@
                                 }
                             ]
                         }
-                    },
-                    "400": {
-                        "description": "无效的ID格式",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "404": {
-                        "description": "猪批次不存在",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             },
@@ -1060,24 +1024,6 @@
                                 }
                             ]
                         }
-                    },
-                    "400": {
-                        "description": "请求参数错误或无效的ID格式",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "404": {
-                        "description": "猪批次不存在",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             },
@@ -1105,24 +1051,6 @@
                         "schema": {
                             "$ref": "#/definitions/controller.Response"
                         }
-                    },
-                    "400": {
-                        "description": "无效的ID格式",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "404": {
-                        "description": "猪批次不存在",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             }
@@ -1164,30 +1092,6 @@
                         "schema": {
                             "$ref": "#/definitions/controller.Response"
                         }
-                    },
-                    "400": {
-                        "description": "请求参数错误或无效的ID格式",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "404": {
-                        "description": "猪批次或猪栏不存在",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "409": {
-                        "description": "业务逻辑冲突 (如猪栏已被使用)",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
-                    },
-                    "500": {
-                        "description": "内部服务器错误",
-                        "schema": {
-                            "$ref": "#/definitions/controller.Response"
-                        }
                     }
                 }
             }
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index b74f124..aa93e84 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -1344,10 +1344,6 @@ paths:
                     $ref: '#/definitions/dto.PigBatchResponseDTO'
                   type: array
               type: object
-        "500":
-          description: 内部服务器错误
-          schema:
-            $ref: '#/definitions/controller.Response'
       summary: 获取猪批次列表
       tags:
       - 猪批次管理
@@ -1374,14 +1370,6 @@ paths:
                 data:
                   $ref: '#/definitions/dto.PigBatchResponseDTO'
               type: object
-        "400":
-          description: 请求参数错误
-          schema:
-            $ref: '#/definitions/controller.Response'
-        "500":
-          description: 内部服务器错误
-          schema:
-            $ref: '#/definitions/controller.Response'
       summary: 创建猪批次
       tags:
       - 猪批次管理
@@ -1401,18 +1389,6 @@ paths:
           description: 删除成功
           schema:
             $ref: '#/definitions/controller.Response'
-        "400":
-          description: 无效的ID格式
-          schema:
-            $ref: '#/definitions/controller.Response'
-        "404":
-          description: 猪批次不存在
-          schema:
-            $ref: '#/definitions/controller.Response'
-        "500":
-          description: 内部服务器错误
-          schema:
-            $ref: '#/definitions/controller.Response'
       summary: 删除猪批次
       tags:
       - 猪批次管理
@@ -1436,18 +1412,6 @@ paths:
                 data:
                   $ref: '#/definitions/dto.PigBatchResponseDTO'
               type: object
-        "400":
-          description: 无效的ID格式
-          schema:
-            $ref: '#/definitions/controller.Response'
-        "404":
-          description: 猪批次不存在
-          schema:
-            $ref: '#/definitions/controller.Response'
-        "500":
-          description: 内部服务器错误
-          schema:
-            $ref: '#/definitions/controller.Response'
       summary: 获取单个猪批次
       tags:
       - 猪批次管理
@@ -1479,18 +1443,6 @@ paths:
                 data:
                   $ref: '#/definitions/dto.PigBatchResponseDTO'
               type: object
-        "400":
-          description: 请求参数错误或无效的ID格式
-          schema:
-            $ref: '#/definitions/controller.Response'
-        "404":
-          description: 猪批次不存在
-          schema:
-            $ref: '#/definitions/controller.Response'
-        "500":
-          description: 内部服务器错误
-          schema:
-            $ref: '#/definitions/controller.Response'
       summary: 更新猪批次
       tags:
       - 猪批次管理
@@ -1518,22 +1470,6 @@ paths:
           description: 更新成功
           schema:
             $ref: '#/definitions/controller.Response'
-        "400":
-          description: 请求参数错误或无效的ID格式
-          schema:
-            $ref: '#/definitions/controller.Response'
-        "404":
-          description: 猪批次或猪栏不存在
-          schema:
-            $ref: '#/definitions/controller.Response'
-        "409":
-          description: 业务逻辑冲突 (如猪栏已被使用)
-          schema:
-            $ref: '#/definitions/controller.Response'
-        "500":
-          description: 内部服务器错误
-          schema:
-            $ref: '#/definitions/controller.Response'
       summary: 更新猪批次关联的猪栏
       tags:
       - 猪批次管理
diff --git a/internal/app/controller/management/pig_batch_controller.go b/internal/app/controller/management/pig_batch_controller.go
index 4debac0..a08f83d 100644
--- a/internal/app/controller/management/pig_batch_controller.go
+++ b/internal/app/controller/management/pig_batch_controller.go
@@ -34,8 +34,6 @@ func NewPigBatchController(logger *logs.Logger, service service.PigBatchService)
 // @Produce      json
 // @Param        body body dto.PigBatchCreateDTO true "猪批次信息"
 // @Success      201 {object} controller.Response{data=dto.PigBatchResponseDTO} "创建成功"
-// @Failure      400 {object} controller.Response "请求参数错误"
-// @Failure      500 {object} controller.Response "内部服务器错误"
 // @Router       /api/v1/pig-batches [post]
 func (c *PigBatchController) CreatePigBatch(ctx *gin.Context) {
 	const action = "创建猪批次"
@@ -64,9 +62,6 @@ func (c *PigBatchController) CreatePigBatch(ctx *gin.Context) {
 // @Produce      json
 // @Param        id path int true "猪批次ID"
 // @Success      200 {object} controller.Response{data=dto.PigBatchResponseDTO} "获取成功"
-// @Failure      400 {object} controller.Response "无效的ID格式"
-// @Failure      404 {object} controller.Response "猪批次不存在"
-// @Failure      500 {object} controller.Response "内部服务器错误"
 // @Router       /api/v1/pig-batches/{id} [get]
 func (c *PigBatchController) GetPigBatch(ctx *gin.Context) {
 	const action = "获取猪批次"
@@ -99,9 +94,6 @@ func (c *PigBatchController) GetPigBatch(ctx *gin.Context) {
 // @Param        id path int true "猪批次ID"
 // @Param        body body dto.PigBatchUpdateDTO true "猪批次信息"
 // @Success      200 {object} controller.Response{data=dto.PigBatchResponseDTO} "更新成功"
-// @Failure      400 {object} controller.Response "请求参数错误或无效的ID格式"
-// @Failure      404 {object} controller.Response "猪批次不存在"
-// @Failure      500 {object} controller.Response "内部服务器错误"
 // @Router       /api/v1/pig-batches/{id} [put]
 func (c *PigBatchController) UpdatePigBatch(ctx *gin.Context) {
 	const action = "更新猪批次"
@@ -138,9 +130,6 @@ func (c *PigBatchController) UpdatePigBatch(ctx *gin.Context) {
 // @Produce      json
 // @Param        id path int true "猪批次ID"
 // @Success      200 {object} controller.Response "删除成功"
-// @Failure      400 {object} controller.Response "无效的ID格式"
-// @Failure      404 {object} controller.Response "猪批次不存在"
-// @Failure      500 {object} controller.Response "内部服务器错误"
 // @Router       /api/v1/pig-batches/{id} [delete]
 func (c *PigBatchController) DeletePigBatch(ctx *gin.Context) {
 	const action = "删除猪批次"
@@ -170,7 +159,6 @@ func (c *PigBatchController) DeletePigBatch(ctx *gin.Context) {
 // @Produce      json
 // @Param        is_active query bool false "是否活跃 (true/false)"
 // @Success      200 {object} controller.Response{data=[]dto.PigBatchResponseDTO} "获取成功"
-// @Failure      500 {object} controller.Response "内部服务器错误"
 // @Router       /api/v1/pig-batches [get]
 func (c *PigBatchController) ListPigBatches(ctx *gin.Context) {
 	const action = "获取猪批次列表"
@@ -200,10 +188,6 @@ func (c *PigBatchController) ListPigBatches(ctx *gin.Context) {
 // @Param        id path int true "猪批次ID"
 // @Param        body body dto.PigBatchUpdatePensRequest true "猪批次关联的猪栏ID列表"
 // @Success      200 {object} controller.Response "更新成功"
-// @Failure      400 {object} controller.Response "请求参数错误或无效的ID格式"
-// @Failure      404 {object} controller.Response "猪批次或猪栏不存在"
-// @Failure      409 {object} controller.Response "业务逻辑冲突 (如猪栏已被使用)"
-// @Failure      500 {object} controller.Response "内部服务器错误"
 // @Router       /api/v1/pig-batches/{id}/pens [put]
 func (c *PigBatchController) UpdatePigBatchPens(ctx *gin.Context) {
 	const action = "更新猪批次关联猪栏"