diff --git a/Code/backend/internal/api/camera.go b/Code/backend/internal/api/camera.go
index dfb28ef..ec9b522 100644
--- a/Code/backend/internal/api/camera.go
+++ b/Code/backend/internal/api/camera.go
@@ -6,7 +6,6 @@ import (
 	"go_backend/internal/dbs"
 	"go_backend/internal/model"
 	"go_backend/internal/utils"
-	"time"
 )
 
 type CameraVO struct {
@@ -19,9 +18,9 @@ type CameraVO struct {
 	Type             string      `json:"type"`
 	IPAddress        string      `json:"ip_address"`
 	IsDeleted        bool        `json:"is_deleted"`
-	CreateTime       time.Time   `json:"create_time"`
-	DeletedTime      time.Time   `json:"deleted_time"`
-	UpdateTime       time.Time   `json:"update_time"`
+	CreateTime       string      `json:"create_time"`
+	DeletedTime      string      `json:"deleted_time"`
+	UpdateTime       string      `json:"update_time"`
 	ChildVO          []*CameraVO `json:"child"`
 }
 
@@ -95,16 +94,14 @@ func CreateNode(router *gin.RouterGroup) {
 			c.JSON(400, gin.H{"error": err.Error()})
 			return
 		}
-		println("nihao", req.ParentID)
 		newNode := model.Camera{
 			ParentCategoryID: int32(req.ParentID),
 			DisplayName:      req.DisplayName,
 			IPAddress:        req.Ip,
 		}
 		db := dbs.GetGormDB()
-		result := db.Create(&newNode)
-
-		Success(c, result)
+		db.Create(&newNode)
+		Success(c, "success")
 	})
 }
 
diff --git a/Code/backend/internal/api/personDetectionRecord.go b/Code/backend/internal/api/personDetectionRecord.go
index 0d85ffd..69ecb0a 100644
--- a/Code/backend/internal/api/personDetectionRecord.go
+++ b/Code/backend/internal/api/personDetectionRecord.go
@@ -28,6 +28,9 @@ type detectionReturnParam struct {
 	DetectionRecord []DetectionVO `json:"detectionRecord"`
 }
 
+// Camera2AddressMap 记录cameraid:address的Map
+var Camera2AddressMap = map[int]string{}
+
 func GetDetectionRecord(router *gin.RouterGroup) {
 	router.GET("/detection/List", func(c *gin.Context) {
 		limit, _ := strconv.Atoi(c.Query("limit"))
@@ -41,8 +44,9 @@ func GetDetectionRecord(router *gin.RouterGroup) {
 		// 根据每条记录搜索对应的摄像头
 		for _, record := range detectionRecords {
 			var cameras []model.Camera
+			cameraId, _ := strconv.Atoi(record.CameraID)
 			result := db.Model(model.Camera{}).
-				Where("camera_id = ?", record.CameraID).
+				Where("camera_id = ?", cameraId).
 				Find(&cameras)
 			if result.Error != nil {
 				fmt.Println(result.Error)
@@ -51,7 +55,14 @@ func GetDetectionRecord(router *gin.RouterGroup) {
 			if len(cameras) > 1 {
 				fmt.Println("对应摄像头id ", record.CameraID, " 超过一个")
 			}
-			address := mergeAddress(cameras[0], db)
+			// 查看缓存Map中有无对应address，有的话直接读取
+			var address string
+			if _, exists := Camera2AddressMap[cameraId]; exists {
+				address = Camera2AddressMap[cameraId]
+			} else {
+				address = mergeAddress(cameras[0], db)
+				Camera2AddressMap[cameraId] = address
+			}
 			detectionVOS = append(detectionVOS, transToDetectionVO(record, address))
 		}
 
diff --git a/Code/backend/internal/api/trajectoryRecord.go b/Code/backend/internal/api/trajectoryRecord.go
index 4e65239..969f9d2 100644
--- a/Code/backend/internal/api/trajectoryRecord.go
+++ b/Code/backend/internal/api/trajectoryRecord.go
@@ -1,9 +1,13 @@
 package api
 
 import (
+	"encoding/json"
+	"fmt"
 	"github.com/gin-gonic/gin"
 	"go_backend/internal/dbs"
 	"go_backend/internal/model"
+	"net/url"
+	"strconv"
 )
 
 func GetTrajectoryRecordList(router *gin.RouterGroup) {
@@ -17,14 +21,76 @@ func GetTrajectoryRecordList(router *gin.RouterGroup) {
 	})
 }
 
+type TrajectoryVO struct {
+	Id          string       `json:"id"`
+	CameraArray []cameraNode `json:"cameraArray"`
+}
+
+type cameraNode struct {
+	Ip      string `json:"ip"`
+	Address string `json:"address"`
+	Lat     string `json:"lat"`
+	Lng     string `json:"lng"`
+	Time    string `json:"time"`
+}
+
 func GetTargetTrajectory(router *gin.RouterGroup) {
 	router.GET("/trajectory", func(c *gin.Context) {
 		id := c.Query("id")
 		var tra model.TrajectoryDetectionRecord
 		db := dbs.GetGormDB()
-		db.Where("id = ? ", id).
+		db.Model(model.TrajectoryDetectionRecord{}).
+			Where("id = ? ", id).
 			Find(&tra)
 
-		Success(c, tra)
+		var trajectoryVO TrajectoryVO
+		trajectoryVO.Id = id
+
+		// 序列化摄像头的id数组
+		var cameraIds []int
+		err := json.Unmarshal([]byte(tra.Trajectory), &cameraIds)
+		if err != nil {
+			fmt.Println("Error parsing JSON:", err)
+			return
+		}
+		// 序列化记录的id数组
+		var recordIds []int
+		err = json.Unmarshal([]byte(tra.PersonDetectionRecordIds), &recordIds)
+		if err != nil {
+			fmt.Println("Error parsing JSON:", err)
+			return
+		}
+		for index, id := range cameraIds {
+			var camera model.Camera
+			db.Where("camera_id = ?", id).
+				Find(&camera)
+			var address string
+			cameraId, _ := strconv.Atoi(camera.CameraID)
+			// 从已读取过的address map读取，如果没有就重新获取
+			if _, exists := Camera2AddressMap[cameraId]; exists {
+				address = Camera2AddressMap[cameraId]
+			} else {
+				address = mergeAddress(camera, db)
+				Camera2AddressMap[cameraId] = address
+			}
+			var record model.PersonDetectionRecord
+			db.Where("id = ?", recordIds[index]).Find(&record)
+
+			parsedUrl, err := url.Parse(record.Address)
+			if err != nil {
+				fmt.Println("Error parsing URL:", err)
+			}
+			ip := parsedUrl.Path
+
+			cameraNode := cameraNode{
+				Ip:      ip,
+				Address: address,
+				Lat:     camera.Latitude,
+				Lng:     camera.Longitude,
+				Time:    record.DetectTime.Format("2006-01-02 15:04:05"),
+			}
+			trajectoryVO.CameraArray = append(trajectoryVO.CameraArray, cameraNode)
+		}
+		Success(c, trajectoryVO)
 	})
 }
diff --git a/Code/backend/internal/model/cameras.gen.go b/Code/backend/internal/model/cameras.gen.go
index 86325ac..a18a772 100644
--- a/Code/backend/internal/model/cameras.gen.go
+++ b/Code/backend/internal/model/cameras.gen.go
@@ -4,28 +4,24 @@
 
 package model
 
-import (
-	"time"
-)
-
 const TableNameCamera = "cameras"
 
 // Camera mapped from table <cameras>
 type Camera struct {
-	ID               int32     `gorm:"column:id;primaryKey;autoIncrement:true" json:"id"`
-	CameraID         string    `gorm:"column:camera_id;comment:摄像头的id" json:"camera_id"`                   // 摄像头的id
-	DisplayName      string    `gorm:"column:display_name;comment:展示使用的名字" json:"display_name"`            // 展示使用的名字
-	ParentCategoryID int32     `gorm:"column:parent_category_id;comment:上一级的类别" json:"parent_category_id"` // 上一级的类别
-	ViewPriority     int32     `gorm:"column:view_priority" json:"view_priority"`
-	Status           string    `gorm:"column:status;comment:摄像头目前状态" json:"status"`      // 摄像头目前状态
-	Type             string    `gorm:"column:type;comment:类别" json:"type"`               // 类别
-	IPAddress        string    `gorm:"column:ip_address;comment:ip地址" json:"ip_address"` // ip地址
-	Latitude         string    `gorm:"column:latitude;comment:纬度" json:"latitude"`       // 纬度
-	Longitude        string    `gorm:"column:longitude;comment:经度" json:"longitude"`     // 经度
-	IsDeleted        bool      `gorm:"column:is_deleted" json:"is_deleted"`
-	CreateTime       time.Time `gorm:"column:create_time" json:"create_time"`
-	DeletedTime      time.Time `gorm:"column:deleted_time" json:"deleted_time"`
-	UpdateTime       time.Time `gorm:"column:update_time" json:"update_time"`
+	ID               int32  `gorm:"column:id;primaryKey;autoIncrement:true" json:"id"`
+	CameraID         string `gorm:"column:camera_id;comment:摄像头的id" json:"camera_id"`                   // 摄像头的id
+	DisplayName      string `gorm:"column:display_name;comment:展示使用的名字" json:"display_name"`            // 展示使用的名字
+	ParentCategoryID int32  `gorm:"column:parent_category_id;comment:上一级的类别" json:"parent_category_id"` // 上一级的类别
+	ViewPriority     int32  `gorm:"column:view_priority" json:"view_priority"`
+	Status           string `gorm:"column:status;comment:摄像头目前状态" json:"status"`      // 摄像头目前状态
+	Type             string `gorm:"column:type;comment:类别" json:"type"`               // 类别
+	IPAddress        string `gorm:"column:ip_address;comment:ip地址" json:"ip_address"` // ip地址
+	Latitude         string `gorm:"column:latitude;comment:纬度" json:"latitude"`       // 纬度
+	Longitude        string `gorm:"column:longitude;comment:经度" json:"longitude"`     // 经度
+	IsDeleted        bool   `gorm:"column:is_deleted" json:"is_deleted"`
+	CreateTime       string `gorm:"column:create_time" json:"create_time"`
+	DeletedTime      string `gorm:"column:deleted_time" json:"deleted_time"`
+	UpdateTime       string `gorm:"column:update_time" json:"update_time"`
 }
 
 // TableName Camera's table name
diff --git a/Code/backend/internal/query/cameras.gen.go b/Code/backend/internal/query/cameras.gen.go
index c00f849..077c309 100644
--- a/Code/backend/internal/query/cameras.gen.go
+++ b/Code/backend/internal/query/cameras.gen.go
@@ -38,9 +38,9 @@ func newCamera(db *gorm.DB, opts ...gen.DOOption) camera {
 	_camera.Latitude = field.NewString(tableName, "latitude")
 	_camera.Longitude = field.NewString(tableName, "longitude")
 	_camera.IsDeleted = field.NewBool(tableName, "is_deleted")
-	_camera.CreateTime = field.NewTime(tableName, "create_time")
-	_camera.DeletedTime = field.NewTime(tableName, "deleted_time")
-	_camera.UpdateTime = field.NewTime(tableName, "update_time")
+	_camera.CreateTime = field.NewString(tableName, "create_time")
+	_camera.DeletedTime = field.NewString(tableName, "deleted_time")
+	_camera.UpdateTime = field.NewString(tableName, "update_time")
 
 	_camera.fillFieldMap()
 
@@ -62,9 +62,9 @@ type camera struct {
 	Latitude         field.String // 纬度
 	Longitude        field.String // 经度
 	IsDeleted        field.Bool
-	CreateTime       field.Time
-	DeletedTime      field.Time
-	UpdateTime       field.Time
+	CreateTime       field.String
+	DeletedTime      field.String
+	UpdateTime       field.String
 
 	fieldMap map[string]field.Expr
 }
@@ -92,9 +92,9 @@ func (c *camera) updateTableName(table string) *camera {
 	c.Latitude = field.NewString(table, "latitude")
 	c.Longitude = field.NewString(table, "longitude")
 	c.IsDeleted = field.NewBool(table, "is_deleted")
-	c.CreateTime = field.NewTime(table, "create_time")
-	c.DeletedTime = field.NewTime(table, "deleted_time")
-	c.UpdateTime = field.NewTime(table, "update_time")
+	c.CreateTime = field.NewString(table, "create_time")
+	c.DeletedTime = field.NewString(table, "deleted_time")
+	c.UpdateTime = field.NewString(table, "update_time")
 
 	c.fillFieldMap()