diff --git a/README.md b/README.md
index ef47f18..2dc24e4 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 # 2.请求状态码
 状态码 | 说明
 ---|---
-0 | 请求成功
+0 | 请求成功，处理成功
 1 | 请求失败
 2 | Token失效，未登录
 3 | Token为空
@@ -16,4 +16,8 @@
 10 | 服务器内部错误
 11 | 视频延迟操作失败
 12 | 视频删除失败
-13 | 设备重启失败
\ No newline at end of file
+13 | 设备重启失败
+14 | 查询数据失败
+15 | 设备添加失败
+16 | 设备修改失败
+17 | 数据库数据操作失败
\ No newline at end of file
diff --git a/handler/device.go b/handler/device.go
index 7b422aa..62e38bb 100644
--- a/handler/device.go
+++ b/handler/device.go
@@ -62,10 +62,10 @@ func DeleteDevice(c *gin.Context) {
 		if service.DeleteDevice(req.ID, int(id.(float64))) {
 			c.JSON(200, gin.H{"code": 0, "message": "success"})
 		} else {
-			c.JSON(200, gin.H{"code": 1, "message": "failed"})
+			c.JSON(200, gin.H{"code": 17, "message": "failed"})
 		}
 	} else {
-		c.JSON(200, gin.H{"code": 1, "message": "failed"})
+		c.JSON(200, gin.H{"code": 9, "message": "failed"})
 	}
 }
 
@@ -81,13 +81,13 @@ func UpdateDevice(c *gin.Context) {
 			})
 		} else {
 			c.JSON(200, gin.H{
-				"code":    1,
+				"code":    16,
 				"message": "failed",
 			})
 		}
 	} else {
 		c.JSON(200, gin.H{
-			"code":    1,
+			"code":    9,
 			"message": "failed",
 		})
 	}
@@ -104,7 +104,7 @@ func SetDeviceStatus(c *gin.Context) {
 			}
 		}
 	} else {
-		c.JSON(200, gin.H{"code": 1, "message": "failed"})
+		c.JSON(200, gin.H{"code": 9, "message": "failed", "data": err.Error()})
 	}
 }
 
@@ -117,20 +117,22 @@ func AddDevice(c *gin.Context) {
 		device_id := service.AddDevice(req.DeviceName, req.DeviceIP, req.DeviceStatus, req.DeviceInfo, req.DeviceType, req.DeviceLocation, user_id)
 		if device_id != 0 {
 			c.JSON(200, gin.H{
-				"code":      0,
-				"message":   "success",
-				"device_id": device_id,
+				"code":    0,
+				"message": "success",
+				"data":    device_id,
 			})
 		} else {
 			c.JSON(200, gin.H{
-				"code":    1,
+				"code":    15,
 				"message": "failed",
+				"data":    "device add failed",
 			})
 		}
 	} else {
 		c.JSON(200, gin.H{
-			"code":    1,
+			"code":    9,
 			"message": "failed",
+			"data":    err.Error(),
 		})
 	}
 }
@@ -149,7 +151,7 @@ func RestartDevice(c *gin.Context) {
 	user_id, _ := c.Get("id")
 	var req DeviceRestartReq
 	if err := c.ShouldBind(&req); err != nil {
-		c.JSON(200, gin.H{"code": 1, "message": "failed"})
+		c.JSON(200, gin.H{"code": 9, "message": "failed", "data": err.Error()})
 		return
 	}
 	device_id := req.ID
@@ -160,11 +162,11 @@ func RestartDevice(c *gin.Context) {
 				if Restart(device.DeviceIP) {
 					c.JSON(200, gin.H{"code": 0, "message": "success"})
 				} else {
-					c.JSON(200, gin.H{"code": 1, "message": "failed"})
+					c.JSON(200, gin.H{"code": 13, "message": "failed"})
 				}
 			}
 		} else {
-			c.JSON(200, gin.H{"code": 1, "message": "failed"})
+			c.JSON(200, gin.H{"code": 14, "message": "failed", "data": string(device_id) + ": device not found"})
 		}
 	} else if req.Option == "all" {
 		devices := service.GetDeviceList(int(user_id.(float64)))
@@ -172,11 +174,13 @@ func RestartDevice(c *gin.Context) {
 			for _, device := range devices {
 				if device.DeviceIP != "" {
 					if !Restart(device.DeviceIP) {
-						c.JSON(200, gin.H{"code": 1, "message": "failed"})
+						c.JSON(200, gin.H{"code": 13, "message": "failed"})
 						return
 					}
 				}
 			}
+		} else {
+			c.JSON(200, gin.H{"code": 14, "message": "failed", "data": "device not found"})
 		}
 		c.JSON(200, gin.H{"code": 0, "message": "success"})
 	}