diff --git a/dao/db.go b/dao/db.go
index eb235ab..344e21e 100644
--- a/dao/db.go
+++ b/dao/db.go
@@ -4,12 +4,13 @@ import (
 	"fmt"
 	"gorm.io/driver/mysql"
 	"gorm.io/gorm"
+	"videoplayer/proto"
 )
 
 var DB *gorm.DB
 
 func Init() {
-	dsn := "video_t2:2t2SKHmWEYj2xFKF@tcp(127.0.0.1:3306)/video_t2?charset=utf8mb4&parseTime=True&loc=Local"
+	dsn := proto.MYSQL_DSN
 
 	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
 	if err != nil {
diff --git a/go.mod b/go.mod
index 8a1d2c0..833e475 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,7 @@ require (
 	github.com/gin-gonic/gin v1.10.0
 	github.com/go-redis/redis/v8 v8.11.5
 	github.com/golang-jwt/jwt v3.2.2+incompatible
+	github.com/google/uuid v1.6.0
 	gorm.io/driver/mysql v1.5.6
 	gorm.io/gorm v1.25.7
 )
@@ -24,7 +25,6 @@ require (
 	github.com/go-playground/validator/v10 v10.20.0 // indirect
 	github.com/go-sql-driver/mysql v1.7.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
-	github.com/google/uuid v1.6.0 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
diff --git a/handler/device.go b/handler/device.go
index 62e38bb..b77d584 100644
--- a/handler/device.go
+++ b/handler/device.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"github.com/gin-gonic/gin"
 	"net/http"
+	"videoplayer/proto"
 	"videoplayer/service"
 )
 
@@ -60,12 +61,12 @@ func DeleteDevice(c *gin.Context) {
 	var req DeviceDelReq
 	if err := c.ShouldBindJSON(&req); err == nil {
 		if service.DeleteDevice(req.ID, int(id.(float64))) {
-			c.JSON(200, gin.H{"code": 0, "message": "success"})
+			c.JSON(200, gin.H{"code": proto.SuccessCode, "message": "success"})
 		} else {
-			c.JSON(200, gin.H{"code": 17, "message": "failed"})
+			c.JSON(200, gin.H{"code": proto.OperationFailed, "message": "failed"})
 		}
 	} else {
-		c.JSON(200, gin.H{"code": 9, "message": "failed"})
+		c.JSON(200, gin.H{"code": proto.ParameterError, "message": "failed"})
 	}
 }
 
@@ -81,13 +82,13 @@ func UpdateDevice(c *gin.Context) {
 			})
 		} else {
 			c.JSON(200, gin.H{
-				"code":    16,
+				"code":    proto.DeviceUpdateFailed,
 				"message": "failed",
 			})
 		}
 	} else {
 		c.JSON(200, gin.H{
-			"code":    9,
+			"code":    proto.ParameterError,
 			"message": "failed",
 		})
 	}
@@ -98,13 +99,13 @@ func SetDeviceStatus(c *gin.Context) {
 	if err := c.ShouldBindJSON(&req); err == nil {
 		if req.IP != "" {
 			if service.SetDeviceStatus(req.Status, req.ID, int(id.(float64))) {
-				c.JSON(200, gin.H{"code": 0, "message": "success"})
+				c.JSON(200, gin.H{"code": proto.SuccessCode, "message": "success"})
 			} else {
 				c.JSON(200, gin.H{"code": 1, "message": "failed"})
 			}
 		}
 	} else {
-		c.JSON(200, gin.H{"code": 9, "message": "failed", "data": err.Error()})
+		c.JSON(200, gin.H{"code": proto.ParameterError, "message": "failed", "data": err.Error()})
 	}
 }
 
@@ -117,20 +118,20 @@ 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,
+				"code":    proto.SuccessCode,
 				"message": "success",
 				"data":    device_id,
 			})
 		} else {
 			c.JSON(200, gin.H{
-				"code":    15,
+				"code":    proto.DeviceAddFailed,
 				"message": "failed",
 				"data":    "device add failed",
 			})
 		}
 	} else {
 		c.JSON(200, gin.H{
-			"code":    9,
+			"code":    proto.ParameterError,
 			"message": "failed",
 			"data":    err.Error(),
 		})
@@ -141,7 +142,7 @@ func GetDeviceList(c *gin.Context) {
 	id, _ := c.Get("id")
 	devices := service.GetDeviceList(int(id.(float64)))
 	c.JSON(200, gin.H{
-		"code":    0,
+		"code":    proto.SuccessCode,
 		"message": "success",
 		"data":    devices,
 	})
@@ -151,7 +152,7 @@ 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": 9, "message": "failed", "data": err.Error()})
+		c.JSON(200, gin.H{"code": proto.ParameterError, "message": "failed", "data": err.Error()})
 		return
 	}
 	device_id := req.ID
@@ -160,13 +161,13 @@ func RestartDevice(c *gin.Context) {
 		if device.ID != 0 {
 			if device.DeviceIP != "" {
 				if Restart(device.DeviceIP) {
-					c.JSON(200, gin.H{"code": 0, "message": "success"})
+					c.JSON(200, gin.H{"code": proto.SuccessCode, "message": "success"})
 				} else {
-					c.JSON(200, gin.H{"code": 13, "message": "failed"})
+					c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": "failed"})
 				}
 			}
 		} else {
-			c.JSON(200, gin.H{"code": 14, "message": "failed", "data": string(device_id) + ": device not found"})
+			c.JSON(200, gin.H{"code": proto.DataNotFound, "message": "failed", "data": string(device_id) + ": device not found"})
 		}
 	} else if req.Option == "all" {
 		devices := service.GetDeviceList(int(user_id.(float64)))
@@ -174,15 +175,15 @@ func RestartDevice(c *gin.Context) {
 			for _, device := range devices {
 				if device.DeviceIP != "" {
 					if !Restart(device.DeviceIP) {
-						c.JSON(200, gin.H{"code": 13, "message": "failed"})
+						c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": "failed"})
 						return
 					}
 				}
 			}
 		} else {
-			c.JSON(200, gin.H{"code": 14, "message": "failed", "data": "device not found"})
+			c.JSON(200, gin.H{"code": proto.DataNotFound, "message": "failed", "data": "device not found"})
 		}
-		c.JSON(200, gin.H{"code": 0, "message": "success"})
+		c.JSON(200, gin.H{"code": proto.SuccessCode, "message": "success"})
 	}
 }
 
diff --git a/handler/user.go b/handler/user.go
index 3a65551..5652df0 100644
--- a/handler/user.go
+++ b/handler/user.go
@@ -9,11 +9,12 @@ import (
 	"github.com/golang-jwt/jwt"
 	"github.com/google/uuid"
 	"time"
+	"videoplayer/proto"
 	"videoplayer/service"
 	"videoplayer/worker"
 )
 
-var signingKey = []byte("aadafcvretmoi9")
+var signingKey = []byte(proto.TOKEN_SECRET)
 
 func SetUpUserGroup(router *gin.Engine) {
 	userGroup := router.Group("/user")
@@ -42,13 +43,13 @@ type QRReq struct {
 func GetScanUUID(c *gin.Context) {
 	var ReqData QRReq
 	if err := c.ShouldBind(&ReqData); err != nil {
-		c.JSON(200, gin.H{"code": 9, "message": err, "data": "2"})
+		c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": err, "data": "2"})
 		return
 	}
 	data := map[string]interface{}{"status": "0", "address": ReqData.Address, "ip": c.ClientIP()}
 	jsonData, err := json.Marshal(data)
 	if err != nil {
-		c.JSON(200, gin.H{"code": 9, "message": err, "data": "2"})
+		c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": err, "data": "2"})
 		return
 	}
 	id := uuid.New()
@@ -56,12 +57,12 @@ func GetScanUUID(c *gin.Context) {
 	if res {
 		var retrievedData map[string]interface{}
 		if err2 := json.Unmarshal([]byte(worker.GetRedis(id.String())), &retrievedData); err2 != nil {
-			c.JSON(200, gin.H{"code": 9, "message": err2, "data": "2"})
+			c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": err2, "data": "2"})
 			return
 		}
-		c.JSON(200, gin.H{"code": 0, "message": retrievedData, "data": id.String()})
+		c.JSON(200, gin.H{"code": proto.SuccessCode, "message": retrievedData, "data": id.String()})
 	} else {
-		c.JSON(200, gin.H{"code": 8, "message": "qr code invalid", "data": "1"})
+		c.JSON(200, gin.H{"code": proto.RedisSetError, "message": "qr code invalid", "data": "1"})
 	}
 }
 
@@ -69,28 +70,28 @@ func SetQRStatus(c *gin.Context) {
 	var qrsetReq QRReq
 	if err := c.ShouldBind(&qrsetReq); err == nil && qrsetReq.UUID != "" {
 		if worker.IsContainKey(qrsetReq.UUID) == false {
-			c.JSON(200, gin.H{"code": 18, "message": "uuid not found in server", "data": "0"})
+			c.JSON(200, gin.H{"code": proto.UUIDNotFound, "message": "uuid not found in server", "data": "0"})
 			return
 		}
 		var retrievedData map[string]interface{}
 		if err2 := json.Unmarshal([]byte(worker.GetRedis(qrsetReq.UUID)), &retrievedData); err2 != nil {
-			c.JSON(200, gin.H{"code": 9, "message": err2, "data": "2"})
+			c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": err2, "data": "2"})
 			return
 		}
 		retrievedData["status"] = "1"
 		jsonData, err2 := json.Marshal(retrievedData)
 		if err2 != nil {
-			c.JSON(200, gin.H{"code": 9, "message": err2, "data": "2"})
+			c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": err2, "data": "2"})
 			return
 		}
 		res := worker.SetRedisWithExpire(qrsetReq.UUID, string(jsonData), time.Minute*30)
 		if res {
-			c.JSON(200, gin.H{"code": 0, "message": "success", "data": retrievedData})
+			c.JSON(200, gin.H{"code": proto.SuccessCode, "message": "success", "data": retrievedData})
 		} else {
-			c.JSON(200, gin.H{"code": 8, "message": "qr code invalid", "data": "1"})
+			c.JSON(200, gin.H{"code": proto.RedisSetError, "message": "qr code invalid", "data": "1"})
 		}
 	} else {
-		c.JSON(200, gin.H{"code": 9, "message": err, "data": "2"})
+		c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": err, "data": "2"})
 	}
 }
 
@@ -104,33 +105,33 @@ func ConfirmQRLogin(c *gin.Context) {
 			key := "user_" + user_name.(string)
 			token := worker.GetRedis(key)
 			if token == "" {
-				c.JSON(200, gin.H{"code": 20, "message": "Token不存在", "data": "20"})
+				c.JSON(200, gin.H{"code": proto.RedisGetError, "message": "Token不存在", "data": "20"})
 			}
 			if worker.IsContainKey(qrsetReq.UUID) == false {
-				c.JSON(200, gin.H{"code": 18, "message": "uuid not found in server", "data": "0"})
+				c.JSON(200, gin.H{"code": proto.UUIDNotFound, "message": "uuid not found in server", "data": "0"})
 				return
 			}
 			var retrievedData map[string]interface{}
 			if err2 := json.Unmarshal([]byte(worker.GetRedis(qrsetReq.UUID)), &retrievedData); err2 != nil {
-				c.JSON(200, gin.H{"code": 9, "message": err2, "data": "2"})
+				c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": err2, "data": "2"})
 				return
 			}
 			retrievedData["status"] = token
 			jsonData, err2 := json.Marshal(retrievedData)
 			if err2 != nil {
-				c.JSON(200, gin.H{"code": 9, "message": err2, "data": "2"})
+				c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": err2, "data": "2"})
 				return
 			}
 			if worker.SetRedisWithExpire(qrsetReq.UUID, string(jsonData), time.Minute*10) {
 				c.JSON(200, gin.H{"code": 0, "message": "success", "data": "0"})
 			} else {
-				c.JSON(200, gin.H{"code": 8, "message": "设置Token失败", "data": "8"})
+				c.JSON(200, gin.H{"code": proto.RedisSetError, "message": "设置Token失败", "data": "8"})
 			}
 		} else {
-			c.JSON(200, gin.H{"code": 20, "message": "failed", "data": "20"})
+			c.JSON(200, gin.H{"code": proto.RedisGetError, "message": "failed", "data": "20"})
 		}
 	} else {
-		c.JSON(200, gin.H{"code": 9, "message": err, "data": "3"})
+		c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": err, "data": "3"})
 	}
 }
 
@@ -139,24 +140,24 @@ func GetQRStatus(c *gin.Context) {
 	if err := c.ShouldBind(&qrReq); err == nil {
 		var retrievedData map[string]interface{}
 		if err2 := json.Unmarshal([]byte(worker.GetRedis(qrReq.UUID)), &retrievedData); err2 != nil {
-			c.JSON(200, gin.H{"code": 9, "message": err2, "data": "2"})
+			c.JSON(200, gin.H{"code": proto.DeviceRestartFailed, "message": err2, "data": "2"})
 			return
 		}
 		str := retrievedData["status"].(string)
 		switch str {
 		case "":
-			c.JSON(200, gin.H{"code": 18, "message": "uuid not found", "data": "0"}) //空值
+			c.JSON(200, gin.H{"code": proto.UUIDNotFound, "message": "uuid not found", "data": "0"}) //空值
 		case "0":
-			c.JSON(200, gin.H{"code": 0, "message": "success", "data": "0"}) //空值
+			c.JSON(200, gin.H{"code": proto.SuccessCode, "message": "success", "data": "0"}) //空值
 		case "1":
-			c.JSON(200, gin.H{"code": 0, "message": "success", "data": "1"}) //已扫描待确认
+			c.JSON(200, gin.H{"code": proto.SuccessCode, "message": "success", "data": "1"}) //已扫描待确认
 		default:
 			// 解析 JWT 令牌
 			token, err := jwt.Parse(str, func(token *jwt.Token) (interface{}, error) {
 				return signingKey, nil
 			})
 			if err != nil {
-				c.JSON(200, gin.H{"error": err.Error(), "code": 19, "message": "error"})
+				c.JSON(200, gin.H{"error": err.Error(), "code": proto.TokenParseError, "message": "error"})
 				return
 			}
 			// 返回令牌
@@ -165,10 +166,10 @@ func GetQRStatus(c *gin.Context) {
 			data["username"] = token.Claims.(jwt.MapClaims)["username"]
 			data["email"] = token.Claims.(jwt.MapClaims)["email"]
 			data["token"] = str
-			c.JSON(200, gin.H{"code": 0, "message": "success", "data": data}) //确认返回token数据
+			c.JSON(200, gin.H{"code": proto.SuccessCode, "message": "success", "data": data}) //确认返回token数据
 		}
 	} else {
-		c.JSON(200, gin.H{"error": err.Error(), "code": 9, "message": "error"})
+		c.JSON(200, gin.H{"error": err.Error(), "code": proto.DeviceRestartFailed, "message": "error"})
 	}
 }
 
@@ -194,7 +195,7 @@ func loginHandler(c *gin.Context) {
 				})
 				tokenString, err = token.SignedString(signingKey)
 				if err != nil {
-					c.JSON(200, gin.H{"error": err.Error(), "code": 5, "message": "error"})
+					c.JSON(200, gin.H{"error": err.Error(), "code": proto.TokenGenerationError, "message": "error"})
 					return
 				}
 
@@ -214,13 +215,13 @@ func loginHandler(c *gin.Context) {
 			data["username"] = user.Name
 			data["email"] = user.Email
 			data["token"] = tokenString
-			c.JSON(200, gin.H{"code": 0, "message": "success", "data": data})
+			c.JSON(200, gin.H{"code": proto.SuccessCode, "message": "success", "data": data})
 		} else {
 			//用户名或密码错误
-			c.JSON(200, gin.H{"error": "用户名或密码错误", "code": 6, "message": "error"})
+			c.JSON(200, gin.H{"error": "用户名或密码错误", "code": proto.UsernameOrPasswordError, "message": "error"})
 		}
 	} else {
-		c.JSON(200, gin.H{"error": err.Error(), "code": 9, "message": "error"})
+		c.JSON(200, gin.H{"error": err.Error(), "code": proto.DeviceRestartFailed, "message": "error"})
 	}
 }
 
@@ -234,7 +235,7 @@ func registerHandler(c *gin.Context) {
 			req_data.Password = hex.EncodeToString(hasher.Sum(nil)) // 生成密码的 MD5 散列值
 		}
 		if service.ContainsUser(req_data.User, req_data.Email) == true {
-			c.JSON(200, gin.H{"error": "user already exists", "code": 7, "message": "error"})
+			c.JSON(200, gin.H{"error": "user already exists", "code": proto.UsernameExists, "message": "error"})
 			return
 		}
 		id := service.CreateUser(req_data.User, req_data.Password, req_data.Email)
@@ -246,17 +247,17 @@ func registerHandler(c *gin.Context) {
 		})
 		tokenString, err = token.SignedString(signingKey)
 		if err != nil {
-			c.JSON(200, gin.H{"error": err.Error(), "code": 5, "message": "error"})
+			c.JSON(200, gin.H{"error": err.Error(), "code": proto.TokenGenerationError, "message": "error"})
 		}
 	} else {
-		c.JSON(200, gin.H{"error": err.Error(), "code": 9, "message": "error"})
+		c.JSON(200, gin.H{"error": err.Error(), "code": proto.DeviceRestartFailed, "message": "error"})
 	}
 	fmt.Println(req_data)
 	res := worker.SetRedisWithExpire(tokenString, tokenString, time.Hour*10) // 设置过期时间为10分钟
 	if !res {
-		c.JSON(200, gin.H{"error": "set token error", "code": 8, "message": "error"})
+		c.JSON(200, gin.H{"error": "set token error", "code": proto.RedisSetError, "message": "error"})
 		return
 	}
 	// 返回令牌
-	c.JSON(200, gin.H{"token": tokenString, "username": req_data.User, "code": 0, "message": "success"})
+	c.JSON(200, gin.H{"token": tokenString, "username": req_data.User, "code": proto.SuccessCode, "message": "success"})
 }
diff --git a/handler/video.go b/handler/video.go
index b3925a6..2cabe45 100644
--- a/handler/video.go
+++ b/handler/video.go
@@ -8,6 +8,7 @@ import (
 	"os"
 	"strconv"
 	"time"
+	"videoplayer/proto"
 	"videoplayer/service"
 	"videoplayer/worker"
 )
@@ -95,12 +96,12 @@ func UpdateVideo(c *gin.Context) {
 	if err := c.ShouldBind(&video_req); err == nil {
 		res := service.UpdateVideo(video_req.VideoPath, video_req.VideoName, video_req.CameraID, video_req.ID, int(user_id.(float64)), video_req.Human, video_req.IsDelete, video_req.CreateTime, video_req.EndTime, video_req.FileSize)
 		if !res {
-			c.JSON(http.StatusOK, gin.H{"error": "update video failed", "code": 17, "message": "failed"})
+			c.JSON(http.StatusOK, gin.H{"error": "update video failed", "code": proto.OperationFailed, "message": "failed"})
 			return
 		}
 		c.JSON(http.StatusOK, gin.H{"code": 0, "message": "success", "data": "update success"})
 	} else {
-		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": 9, "message": "failed"})
+		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": proto.ParameterError, "message": "failed"})
 	}
 }
 
@@ -142,12 +143,12 @@ func CreateVideo(c *gin.Context) {
 		fmt.Println(video_req)
 		id := service.CreateVideo(video_req.VideoPath, video_req.VideoName, video_req.CameraID, int(user_id.(float64)), video_req.Human, video_req.IsDelete, video_req.CreateTime, video_req.EndTime, video_req.DeleteTime, video_req.FileSize)
 		if id == 0 {
-			c.JSON(http.StatusOK, gin.H{"error": "create video failed", "code": 14, "message": "failed"})
+			c.JSON(http.StatusOK, gin.H{"error": "create video failed", "code": proto.DataNotFound, "message": "failed"})
 			return
 		}
 		c.JSON(http.StatusOK, gin.H{"id": id, "code": 0, "message": "success"})
 	} else {
-		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": 9, "message": "failed"})
+		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": proto.ParameterError, "message": "failed"})
 	}
 }
 
@@ -159,7 +160,7 @@ func GetVideoList(c *gin.Context) {
 		videos := service.GetVideoList(int(id.(float64)), gvl_req.StartTime, gvl_req.EndTime, gvl_req.Hour)
 		c.JSON(http.StatusOK, gin.H{"data": videos, "code": 0, "message": "success"})
 	} else {
-		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": 9, "message": "failed"})
+		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": proto.ParameterError, "message": "failed"})
 	}
 }
 
@@ -170,7 +171,7 @@ func DelayVideo(c *gin.Context) {
 	cnt := 0
 	if err := c.ShouldBind(&delay_req); err == nil {
 		if delay_req.Day > 30 || delay_req.Day < 1 {
-			c.JSON(http.StatusOK, gin.H{"code": 11, "data": "延迟天数过大或过小", "message": "failed"})
+			c.JSON(http.StatusOK, gin.H{"code": proto.VideoDelayOperationFailed, "data": "延迟天数过大或过小", "message": "failed"})
 			return
 		}
 		if delay_req.Option == "all" {
@@ -180,7 +181,7 @@ func DelayVideo(c *gin.Context) {
 			cnt = service.DelayVideo(delay_req.ID, int(id.(float64)), delay_req.Day)
 		}
 		if cnt == 0 {
-			c.JSON(http.StatusOK, gin.H{"code": 17, "data": "延迟失败影响数据", "message": "failed,cnt:" + strconv.Itoa(cnt)})
+			c.JSON(http.StatusOK, gin.H{"code": proto.OperationFailed, "data": "延迟失败影响数据", "message": "failed,cnt:" + strconv.Itoa(cnt)})
 		} else {
 			data := map[string]interface{}{"auth_id": int(id.(float64)), "delay_time": time.Now().Format("2006-01-02 15:04:05"), "delay_day": delay_req.Day, "option": delay_req.Option, "id": delay_req.ID}
 			str, _ := json.Marshal(data)
@@ -188,7 +189,7 @@ func DelayVideo(c *gin.Context) {
 			c.JSON(http.StatusOK, gin.H{"code": 0, "data": "延迟成功,影响记录:" + strconv.Itoa(cnt), "message": "success cnt:" + strconv.Itoa(cnt)})
 		}
 	} else {
-		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": 9, "message": "failed"})
+		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": proto.ParameterError, "message": "failed"})
 	}
 }
 
@@ -204,10 +205,10 @@ func DeleteVideo(c *gin.Context) {
 			worker.PushRedisList(user.(string)+"-"+strconv.Itoa(video_req.ID), string(str))
 			c.JSON(http.StatusOK, gin.H{"code": 0, "message": "success"})
 		} else {
-			c.JSON(http.StatusOK, gin.H{"code": 9, "message": "failed"})
+			c.JSON(http.StatusOK, gin.H{"code": proto.ParameterError, "message": "failed"})
 		}
 	} else {
-		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": 9, "message": "failed"})
+		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": proto.ParameterError, "message": "failed"})
 	}
 }
 
@@ -224,13 +225,13 @@ func QuashOption(c *gin.Context) {
 				code, msg := service.QuashVideo(int(id.(float64)), retrievedData)
 				c.JSON(http.StatusOK, gin.H{"code": code, "message": msg, "data": msg})
 			} else {
-				c.JSON(http.StatusOK, gin.H{"code": 9, "message": err2, "data": "2"})
+				c.JSON(http.StatusOK, gin.H{"code": proto.ParameterError, "message": err2, "data": "2"})
 				return
 			}
 		} else {
-			c.JSON(http.StatusOK, gin.H{"code": 9, "message": "redis data not found", "data": "error"})
+			c.JSON(http.StatusOK, gin.H{"code": proto.ParameterError, "message": "redis data not found", "data": "error"})
 		}
 	} else {
-		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": 9, "message": "failed"})
+		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": proto.ParameterError, "message": "failed"})
 	}
 }
diff --git a/main.go b/main.go
index 1857d7c..fcb0673 100644
--- a/main.go
+++ b/main.go
@@ -7,10 +7,11 @@ import (
 	"strings"
 	"videoplayer/dao"
 	"videoplayer/handler"
+	"videoplayer/proto"
 	"videoplayer/worker"
 )
 
-var signingKey = []byte("aadafcvretmoi9")
+var signingKey = []byte(proto.TOKEN_SECRET)
 
 func main() {
 
@@ -68,7 +69,7 @@ func JWTAuthMiddleware() gin.HandlerFunc {
 			c.JSON(200, gin.H{
 				"message": "Unauthorized",
 				"error":   "token is empty",
-				"code":    "3",
+				"code":    proto.TokenIsNull,
 			})
 			return
 		}
@@ -79,7 +80,7 @@ func JWTAuthMiddleware() gin.HandlerFunc {
 			c.JSON(200, gin.H{
 				"message": "NOT_LOGIN",
 				"error":   "server token is empty",
-				"code":    "3",
+				"code":    proto.TokenIsNull,
 			})
 			return
 		}
@@ -95,7 +96,7 @@ func JWTAuthMiddleware() gin.HandlerFunc {
 			c.JSON(200, gin.H{
 				"message": "NOT_LOGIN",
 				"error":   "Invalid token",
-				"code":    "4",
+				"code":    proto.TokenExpired,
 			})
 			return
 		}
diff --git a/proto/conf.go b/proto/conf.go
new file mode 100644
index 0000000..245fdea
--- /dev/null
+++ b/proto/conf.go
@@ -0,0 +1,15 @@
+package proto
+
+const (
+	MYSQL_USER = "root"
+	MYSQL_PASSWORD
+	MYSQL_HOST
+	MYSQL_PORT
+	MYSQL_DSN = "video_t2:2t2SKHmWEYj2xFKF@tcp(127.0.0.1:3306)/video_t2?charset=utf8mb4&parseTime=True&loc=Local"
+
+	REDIS_ADDR     = "127.0.0.1:6379"
+	REDIS_PASSWORD = "lj502138"
+	REIDS_DB       = 2
+
+	TOKEN_SECRET = "mfjurnc_32ndj9dfhj"
+)
diff --git a/proto/status.go b/proto/status.go
new file mode 100644
index 0000000..51478e9
--- /dev/null
+++ b/proto/status.go
@@ -0,0 +1,44 @@
+package proto
+
+const (
+	SuccessCode = 0 // 成功
+
+	// 通用错误码
+	ErrorCode           = 1  // 未知错误或服务器内部错误
+	ParameterError      = 9  // 请求参数解析错误
+	OperationFailed     = 17 // 数据库数据操作失败
+	DataNotFound        = 14 // 查询数据失败
+	InternalServerError = 10 // 服务器内部错误
+
+	// Token相关错误码
+	TokenInvalid         = 2  // Token失效，未登录
+	TokenIsNull          = 3  // Token为空
+	TokenExpired         = 4  // Token已过期
+	TokenGenerationError = 5  // Token生成错误
+	TokenParseError      = 19 // Token解析错误
+
+	// 用户名密码相关错误码
+	UsernameOrPasswordError = 6 // 用户名或密码错误
+	UsernameExists          = 7 // 用户名已存在
+
+	// Redis相关错误码
+	RedisSetError = 8  // 设置redis错误
+	RedisGetError = 20 // 获取redis错误
+
+	// 视频操作相关错误码
+	VideoDelayOperationFailed = 11 // 视频延迟操作失败
+	VideoDeleteFailed         = 12 // 视频删除失败
+
+	// 设备操作相关错误码
+	DeviceRestartFailed = 13 // 设备重启失败
+	DeviceAddFailed     = 15 // 设备添加失败
+	DeviceUpdateFailed  = 16 // 设备修改失败
+
+	// 撤销操作相关错误码
+	RevokeOperation            = 30 // 撤销
+	RevokeDelayOperationFailed = 31 // 撤销延迟操作失败
+	RevokeOperationFailed      = 32 // 撤销操作失败
+
+	// UUID相关错误码
+	UUIDNotFound = 18 // uuid不存在
+)
diff --git a/service/videoService.go b/service/videoService.go
index 09e2a4d..aa940dd 100644
--- a/service/videoService.go
+++ b/service/videoService.go
@@ -3,6 +3,7 @@ package service
 import (
 	"strings"
 	"videoplayer/dao"
+	"videoplayer/proto"
 )
 
 func GetVideo(id, auth_id int) dao.Video {
@@ -73,27 +74,27 @@ func QuashVideo(user int, data map[string]interface{}) (int, string) {
 	case "delay":
 		if data["option"] == "all" {
 			if dao.QuashAllDelay(user, data["day"].(int)) == 0 {
-				res = 31
+				res = proto.RevokeDelayOperationFailed
 				msg = "quash all video delay error"
 			} else {
-				res = 0
+				res = proto.SuccessCode
 				msg = "success"
 			}
 		} else if data["option"] == "one" {
 			if dao.QuashOneDelay(user, data["id"].(int), data["day"].(int)) == 0 {
-				res = 31
+				res = proto.RevokeDelayOperationFailed
 				msg = "quash one video error"
 			} else {
-				res = 0
+				res = proto.SuccessCode
 				msg = "success"
 			}
 
 		} else {
-			res = 32
+			res = proto.RevokeOperationFailed
 			msg = "option error,no such delay option"
 		}
 	default:
-		res = 32
+		res = proto.RevokeOperationFailed
 		msg = "method error,no such method"
 	}
 	return res, msg
diff --git a/worker/redis.go b/worker/redis.go
index a6bd4f7..c838ab7 100644
--- a/worker/redis.go
+++ b/worker/redis.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"strconv"
 	"time"
+	"videoplayer/proto"
 )
 import (
 	"context"
@@ -16,9 +17,9 @@ func InitRedis() {
 	ctx := context.Background()
 	// 连接redis
 	redisClient = redis.NewClient(&redis.Options{
-		Addr:     "127.0.0.1:6379", // Redis 服务器地址
-		Password: "lj502138",       // 如果 Redis 设置了密码
-		DB:       2,                // 使用的数据库编号
+		Addr:     proto.REDIS_ADDR,     // Redis 服务器地址
+		Password: proto.REDIS_PASSWORD, // 如果 Redis 设置了密码
+		DB:       proto.REIDS_DB,       // 使用的数据库编号
 	})
 
 	// 验证 Redis 客户端是否可以正常工作