diff --git a/README.md b/README.md
index 2efeac0..17bd354 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,10 @@
-# GoDance
-字节跳动青训营GoDance队大项目开发
+项目包含自动迁移建表功能，请大家修改model/mysql.go中的数据库信息后再运行
+
+controller/publish 中的ResourceDir也请修改成自己的本机IP
+
+目前项目仍存在问题：
+
+- 视频缩略图无法展示，本机上传的视频无法播放
+- 喜欢列表与点赞列表还未完成
+- 视频点赞数量与评论数量没有实时更新
+- 用户点赞视频没有持久化
\ No newline at end of file
diff --git a/controller/comment.go b/controller/comment.go
new file mode 100644
index 0000000..8d31ad3
--- /dev/null
+++ b/controller/comment.go
@@ -0,0 +1,106 @@
+package controller
+
+import (
+	"GoDance/model"
+	"GoDance/service"
+	"fmt"
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+// CommentAction no practical effect, just check if token is valid
+// CommentAction
+// @Summary 评论操作
+// @Description 登录用户对视频进行评论
+// @Tags 互动接口
+// @param token query string true "用户鉴权token"
+// @param video_id query string true "视频id"
+// @param action_type query string true "1-发布评论，2-删除评论"
+// @param comment_text query string false "用户填写的评论内容，在action_type=1的时候使用"
+// @param comment_id query string false "要删除的评论id，在action_type=2的时候使用"
+// @Success 200 {string} success
+// @Router /comment/action/ [post]
+func CommentAction(c *gin.Context) {
+	token := c.Query("token")
+	actionType := c.Query("action_type")
+	videoId, _ := strconv.Atoi(c.Query("video_id"))
+	user, err := service.FindUserByToken(token)
+	if err == nil { //改动了user的访问
+		var comment model.CommentData
+		if actionType == "1" { //新增
+			comment.UserId = user.Id
+			comment.VideoId = int64(videoId)
+			text := c.Query("comment_text")
+			comment.CommentText = text
+			comment.CreateDate = time.Now()
+			if err := model.InsertComment(&comment); err != nil {
+				c.JSON(http.StatusOK, Response{StatusCode: 1, StatusMsg: "评论失败"})
+			}
+			c.JSON(http.StatusOK, CommentActionResponse{Response: Response{StatusCode: 0, StatusMsg: "评论成功"},
+				Comment: model.Comment{
+					Id:         comment.Id,
+					User:       user,
+					Content:    text,
+					CreateDate: comment.CreateDate.Format("01-02"),
+				}})
+			return
+		} else if actionType == "2" { //删除
+			commentId, _ := strconv.Atoi(c.Query("comment_id"))
+			comment, err := model.FindCommentById(int64(commentId)) //补充删除不存在的情况
+			if comment.Cancel == 1 || err != nil {
+				c.JSON(http.StatusOK, Response{StatusCode: 1, StatusMsg: "评论已删除或不存在"})
+				return
+			}
+			if comment.UserId == user.Id { //是该评论主人
+				if err = model.DeleteComment(int64(commentId), int64(comment.VideoId)); err != nil {
+					c.JSON(http.StatusOK, Response{StatusCode: 1, StatusMsg: "评论删除失败"})
+				} else {
+					c.JSON(http.StatusOK, Response{StatusCode: 0, StatusMsg: "评论删除成功"})
+				}
+			} else { //不能删除他人评论
+				c.JSON(http.StatusForbidden, Response{StatusCode: 1, StatusMsg: "没有权限删除他人评论"})
+			}
+		} else {
+			c.JSON(http.StatusBadRequest, Response{StatusCode: 1, StatusMsg: "评论状态参数错误"})
+		}
+	} else {
+		c.JSON(http.StatusOK, Response{StatusCode: 1, StatusMsg: err.Error()})
+	}
+}
+
+// CommentList all videos have same demo comment list
+// CommentList
+// @Summary 评论列表
+// @Description 查看视频的所有评论，按发布时间倒序
+// @Tags 互动接口
+// @param token query string true "用户鉴权token"
+// @param video_id query string true "视频id"
+// @Success 200 {string} success
+// @Router /comment/list/ [get]
+func CommentList(c *gin.Context) {
+	token := c.Query("token")
+	videoId, _ := strconv.Atoi(c.Query("video_id"))
+	_, err := service.FindUserByToken(token)
+	if err == nil {
+		comments := model.FindCommentsByVideoId(int64(videoId))
+		var commentsVO = make([]model.Comment, len(comments))
+		for i := 0; i < len(comments); i++ {
+			comment := comments[i]
+			commentOwner, err := service.FindUserById(comment.UserId)
+			if err != nil {
+				fmt.Printf(err.Error())
+				return
+			}
+			commentsVO[i] = model.Comment{Id: comment.Id, User: commentOwner, Content: comment.CommentText, CreateDate: comment.CreateDate.Format("01-02")}
+		}
+		c.JSON(http.StatusOK, CommentListResponse{
+			Response:    Response{StatusCode: 0, StatusMsg: "获取评论列表成功"},
+			CommentList: commentsVO,
+		})
+	} else {
+		c.JSON(http.StatusOK, Response{StatusCode: 1, StatusMsg: err.Error()})
+	}
+}
diff --git a/controller/common.go b/controller/common.go
new file mode 100644
index 0000000..6158c4f
--- /dev/null
+++ b/controller/common.go
@@ -0,0 +1,50 @@
+package controller
+
+import "GoDance/model"
+
+type Response struct {
+	StatusCode int32  `json:"status_code"`
+	StatusMsg  string `json:"status_msg,omitempty"`
+}
+
+// Comment About comment
+
+type CommentListResponse struct {
+	Response
+	CommentList []model.Comment `json:"comment_list,omitempty"`
+}
+
+type CommentActionResponse struct {
+	Response
+	Comment model.Comment `json:"comment,omitempty"`
+}
+
+// Video About Video
+
+type FeedResponse struct {
+	Response
+	VideoList []model.Video `json:"video_list,omitempty"`
+	NextTime  int64         `json:"next_time,omitempty"`
+}
+
+type VideoListResponse struct {
+	Response
+	VideoList []model.Video `json:"video_list"`
+}
+type PublishVideoListResponse struct {
+	Response
+	PublishVideoList []model.PublishListVideoStruct `json:"video_list"`
+}
+
+// User About User
+
+type UserResponse struct {
+	Response
+	User model.User `json:"user"`
+}
+
+type LoginResponse struct {
+	Response
+	Id    int64  `json:"user_id,omitempty"`
+	Token string `json:"token,omitempty"`
+}
diff --git a/controller/favorite.go b/controller/favorite.go
new file mode 100644
index 0000000..597eb01
--- /dev/null
+++ b/controller/favorite.go
@@ -0,0 +1,43 @@
+package controller
+
+import (
+	"GoDance/model"
+	"GoDance/service"
+	"github.com/gin-gonic/gin"
+	"net/http"
+)
+
+func FavoriteAction(c *gin.Context) {
+	token := c.Query("token")
+	videoId := c.Query("video_id")
+	actionType := c.Query("action_type")
+	_, err := service.FindUserByToken(token)
+	if err == nil {
+		if actionType == "2" { //delete the favorite
+			favorite := model.FavoriteData{Token: token, VideoId: videoId}
+			model.Db.Table("favorite_data").Where("token=?", token).Delete(&favorite)
+			c.JSON(http.StatusOK, Response{StatusCode: 0})
+		} else if actionType == "1" {
+			favorite := model.FavoriteData{Token: token, VideoId: videoId}
+			model.Db.Create(&favorite)
+			c.JSON(http.StatusOK, Response{StatusCode: 0})
+		} else {
+			c.JSON(http.StatusOK, Response{StatusCode: 1, StatusMsg: "The entry doesn't exist"})
+		}
+	} else {
+		c.JSON(http.StatusOK, Response{StatusCode: 1, StatusMsg: "User doesn't exist"})
+	}
+}
+
+// FavoriteList all users have same favorite video list
+func FavoriteList(c *gin.Context) {
+	var video_list []model.VideoData
+	token := c.Query("token")
+	model.Db.Table("favorite_data").Find(&video_list, "token=?", token)
+	c.JSON(http.StatusOK, VideoListResponse{
+		Response: Response{
+			StatusCode: 0,
+		},
+		//VideoList: video_list,
+	})
+}
diff --git a/controller/feed.go b/controller/feed.go
new file mode 100644
index 0000000..e04d73d
--- /dev/null
+++ b/controller/feed.go
@@ -0,0 +1,41 @@
+package controller
+
+import (
+	"GoDance/service"
+	"github.com/gin-gonic/gin"
+	"net/http"
+	"strconv"
+	"time"
+)
+
+// Feed same demo video list for every request
+func Feed(c *gin.Context) {
+
+	//token := c.Query("token")
+	//userIds, _ := c.Get("UserId")
+	//userId := userIds.(int64)
+	currentTime, err := strconv.ParseInt(c.Query("latest_time"), 10, 64)
+
+	if err != nil || currentTime == 0 {
+		currentTime = time.Now().Unix()
+	}
+	//FeedGet的参数二是userId,这里测试所以设置为0
+	feedList, nextTime, _ := service.FeedGet(currentTime, 0)
+
+	c.JSON(http.StatusOK, FeedResponse{
+		Response:  Response{StatusCode: 0}, //成功
+		VideoList: feedList,
+		NextTime:  nextTime,
+	})
+}
+
+//demo
+/*
+func Feed(c *gin.Context) {
+	c.JSON(http.StatusOK, FeedResponse{
+		Response:  Response{StatusCode: 0},
+		VideoList: DemoVideos,
+		NextTime:  time.Now().Unix(),
+	})
+}
+*/
diff --git a/controller/publish.go b/controller/publish.go
new file mode 100644
index 0000000..7798691
--- /dev/null
+++ b/controller/publish.go
@@ -0,0 +1,153 @@
+package controller
+
+import (
+	"GoDance/model"
+	"GoDance/service"
+	"bytes"
+	"fmt"
+	"github.com/disintegration/imaging"
+	"github.com/gin-gonic/gin"
+	ffmpeg "github.com/u2takey/ffmpeg-go"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strconv"
+	"time"
+)
+
+var ResourceDir = "http://192.168.2.9:8080/public/"
+
+// convert video into cover using ffmpeg
+func Video2Cover(VideoName string) (CoverPath string, err error) {
+	VideoPath := filepath.Join("E:\\GoDance\\public\\videos", VideoName)
+	buf := bytes.NewBuffer(nil)
+	err = ffmpeg.Input(VideoPath).Filter("select", ffmpeg.Args{fmt.Sprintf("gte(n,1)")}).
+		Output("pipe:", ffmpeg.KwArgs{"vframes": 1, "format": "image2", "vcodec": "mjpeg"}).
+		WithOutput(buf, os.Stdout).
+		Run()
+	if err != nil {
+		fmt.Println(err.Error())
+		return "", err
+	}
+	cover, err := imaging.Decode(buf)
+	if err != nil {
+		return "", err
+	}
+	CoverPath = ".\\public\\covers\\" + VideoName + ".png"
+	//fmt.Println("CoverPath:  "+ CoverPath)
+	err = imaging.Save(cover, CoverPath)
+	if err != nil {
+		fmt.Printf("Saving cover error\n %s\n", err)
+		return "", err
+	}
+	return CoverPath, nil
+}
+
+// Publish !! Title didn't use !!
+// Publish check token then save upload file to public directory
+func Publish(c *gin.Context) {
+	if model.Err != nil {
+		c.JSON(http.StatusOK, Response{
+			StatusCode: 1,
+			StatusMsg:  model.Err.Error(),
+		})
+		fmt.Printf("database error\n")
+		return
+	}
+	token := c.PostForm("token")
+
+	login_user, err := service.FindUserByToken(token)
+	//fmt.Println(login_user)
+	if err != nil {
+		c.JSON(http.StatusOK, Response{StatusCode: 1, StatusMsg: err.Error()})
+		return
+	}
+	data, err := c.FormFile("data")
+	if err != nil {
+		c.JSON(http.StatusOK, Response{
+			StatusCode: 1,
+			StatusMsg:  err.Error(),
+		})
+		return
+	}
+	//fmt.Println(login_user.Id)
+	filename := filepath.Base(data.Filename)
+	finalName := fmt.Sprintf("%d_%s", login_user.Id, filename)
+	saveFile := filepath.Join("./public/videos", finalName)
+	if err := c.SaveUploadedFile(data, saveFile); err != nil {
+		c.JSON(http.StatusOK, Response{
+			StatusCode: 1,
+			StatusMsg:  err.Error(),
+		})
+		return
+	}
+
+	if err != nil {
+		c.JSON(http.StatusOK, Response{
+			StatusCode: 1,
+			StatusMsg:  err.Error(),
+		})
+		return
+	}
+	//title := c.PostForm("title")
+	VideoUrl := filepath.Join(ResourceDir, "videos", finalName)
+	CoverUrl, err := Video2Cover(finalName)
+	CoverUrl = filepath.Join(ResourceDir, "covers", finalName+".png")
+	//fmt.Printf("video: %s    cover: %s\n", VideoUrl, CoverUrl)
+	new_video := model.VideoData{
+		Author:        login_user.Id,
+		PlayUrl:       VideoUrl,
+		CoverUrl:      CoverUrl,
+		FavoriteCount: 0,
+		CommentCount:  0,
+		IsFavorite:    false,
+		CreateTime:    time.Now().Unix(),
+	}
+	model.Db.Create(&new_video)
+	c.JSON(http.StatusOK, Response{
+		StatusCode: 0,
+		StatusMsg:  finalName + " uploaded successfully",
+	})
+}
+
+// PublishList all users have same publish video list
+func PublishList(c *gin.Context) {
+	VideoList := []model.VideoData{}
+
+	author_id := c.Query("user_id")
+	model.Db.Table("video_data").Find(&VideoList, "author=?", author_id)
+	fmt.Println(VideoList)
+	//search author row
+	authorid, _ := strconv.ParseInt(author_id, 10, 64)
+	author, err := service.FindUserById(authorid)
+	if err != nil {
+		c.JSON(http.StatusOK, Response{StatusCode: 1, StatusMsg: "Author doesn't exist"})
+		return
+	}
+
+	var PublishVideoList []model.PublishListVideoStruct //[]PublishListVideoStruct{} //video list used for publish list interface
+	for i := 0; i < len(VideoList); i++ {
+		var tmp = model.PublishListVideoStruct{
+			Id:            VideoList[i].Id,
+			Author:        author,
+			PlayUrl:       VideoList[i].PlayUrl,
+			CoverUrl:      VideoList[i].CoverUrl,
+			FavoriteCount: VideoList[i].FavoriteCount,
+			CommentCount:  VideoList[i].CommentCount,
+			IsFavorite:    VideoList[i].IsFavorite,
+		}
+		// fmt.Println("!!!")
+		PublishVideoList = append(PublishVideoList, tmp)
+	}
+	// fmt.Print("Orginal:   ")
+	// fmt.Println(VideoList)
+	// fmt.Print("After:   ")
+	// fmt.Println(PublishVideoList)
+	c.JSON(http.StatusOK, PublishVideoListResponse{
+		Response: Response{
+			StatusCode: 0,
+		},
+		PublishVideoList: PublishVideoList,
+	})
+	//fmt.Printf("publish list\n")
+}
diff --git a/controller/user.go b/controller/user.go
new file mode 100644
index 0000000..d93e314
--- /dev/null
+++ b/controller/user.go
@@ -0,0 +1,59 @@
+package controller
+
+import (
+	"GoDance/service"
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"net/http"
+)
+
+func Register(c *gin.Context) {
+	username := c.Query("username")
+	password := c.Query("password")
+	user, err := service.Register(username, password)
+	if err != nil {
+		c.JSON(http.StatusOK, LoginResponse{
+			Response: Response{StatusCode: 1, StatusMsg: err.Error()},
+		})
+	} else {
+		c.JSON(http.StatusOK, LoginResponse{
+			Response: Response{StatusCode: 0, StatusMsg: "Register success"},
+			Id:       user.Id,
+			Token:    user.Token,
+		})
+	}
+}
+
+func Login(c *gin.Context) {
+	username := c.Query("username")
+	password := c.Query("password")
+	user, err := service.Login(username, password)
+	if err == nil {
+		fmt.Printf("success1")
+		c.JSON(http.StatusOK, LoginResponse{
+			Response: Response{StatusCode: 0, StatusMsg: "Login success!"},
+			Id:       user.Id,
+			Token:    user.Token,
+		})
+	} else {
+		c.JSON(http.StatusOK, LoginResponse{
+			Response: Response{StatusCode: 1, StatusMsg: err.Error()},
+		})
+	}
+}
+
+func UserInfo(c *gin.Context) {
+	token := c.Query("token")
+	user, err := service.FindUserByToken(token)
+	if err == nil {
+		c.JSON(http.StatusOK, UserResponse{
+			Response: Response{StatusCode: 0},
+			User:     user,
+		})
+	} else {
+		c.JSON(http.StatusOK, UserResponse{
+			Response: Response{StatusCode: 1, StatusMsg: err.Error()},
+			User:     user,
+		})
+	}
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..fefe7d8
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,39 @@
+module GoDance
+
+go 1.19
+
+require (
+	github.com/disintegration/imaging v1.6.2
+	github.com/gin-gonic/gin v1.8.2
+	github.com/u2takey/ffmpeg-go v0.4.1
+	gorm.io/driver/mysql v1.4.5
+	gorm.io/gorm v1.24.5
+)
+
+require (
+	github.com/aws/aws-sdk-go v1.44.203 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.14.0 // indirect
+	github.com/go-playground/universal-translator v0.18.0 // indirect
+	github.com/go-playground/validator/v10 v10.11.1 // indirect
+	github.com/go-sql-driver/mysql v1.7.0 // indirect
+	github.com/goccy/go-json v0.9.11 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/leodido/go-urn v1.2.1 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
+	github.com/u2takey/go-utils v0.3.1 // indirect
+	github.com/ugorji/go/codec v1.2.7 // indirect
+	golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3 // indirect
+	golang.org/x/image v0.5.0 // indirect
+	golang.org/x/net v0.4.0 // indirect
+	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/text v0.7.0 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..f0e1508
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,180 @@
+github.com/aws/aws-sdk-go v1.38.20 h1:QbzNx/tdfATbdKfubBpkt84OM6oBkxQZRw6+bW2GyeA=
+github.com/aws/aws-sdk-go v1.38.20/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
+github.com/aws/aws-sdk-go v1.44.203 h1:pcsP805b9acL3wUqa4JR2vg1k2wnItkDYNvfmcy6F+U=
+github.com/aws/aws-sdk-go v1.44.203/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=
+github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
+github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
+github.com/gin-gonic/gin v1.8.2 h1:UzKToD9/PoFj/V4rvlKqTRKnQYyz8Sc1MJlv4JHPtvY=
+github.com/gin-gonic/gin v1.8.2/go.mod h1:qw5AYuDrzRTnhvusDsrov+fDIxp9Dleuu12h8nfB398=
+github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
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+golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gorm.io/driver/mysql v1.4.5 h1:u1lytId4+o9dDaNcPCFzNv7h6wvmc92UjNk3z8enSBU=
+gorm.io/driver/mysql v1.4.5/go.mod h1:SxzItlnT1cb6e1e4ZRpgJN2VYtcqJgqnHxWr4wsP8oc=
+gorm.io/gorm v1.23.8/go.mod h1:l2lP/RyAtc1ynaTjFksBde/O8v9oOGIApu2/xRitmZk=
+gorm.io/gorm v1.24.5 h1:g6OPREKqqlWq4kh/3MCQbZKImeB9e6Xgc4zD+JgNZGE=
+gorm.io/gorm v1.24.5/go.mod h1:DVrVomtaYTbqs7gB/x2uVvqnXzv0nqjB396B8cG4dBA=
+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..304336c
--- /dev/null
+++ b/main.go
@@ -0,0 +1,18 @@
+package main
+
+import (
+	"GoDance/model"
+	"github.com/gin-gonic/gin"
+)
+
+func main() {
+	r := gin.Default()
+
+	initRouter(r)
+
+	model.InitDB()
+
+	model.InitTable()
+
+	r.Run()
+}
diff --git a/model/comment.go b/model/comment.go
new file mode 100644
index 0000000..d6b0f4d
--- /dev/null
+++ b/model/comment.go
@@ -0,0 +1,72 @@
+package model
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// 用于返回的comment结构
+type Comment struct {
+	Id         int64  `json:"id,omitempty"`
+	User       User   `json:"user"`
+	Content    string `json:"content,omitempty"`
+	CreateDate string `json:"create_date,omitempty"`
+}
+
+// 存储在数据库中的comment结构
+type CommentData struct {
+	Id          int64     `json:"id,omitempty"`
+	UserId      int64     `json:"userId,omitempty"`
+	VideoId     int64     `json:"videoId,omitempty"`
+	CommentText string    `json:"commentText,omitempty"`
+	CreateDate  time.Time `json:"createDate,omitempty"`
+	Cancel      int8      `json:"cancel,omitempty"`
+}
+
+func InsertComment(comment *CommentData) error {
+	err1 := Db.Transaction(func(db *gorm.DB) error {
+		if err := db.Create(comment).Error; err != nil {
+			return err
+		}
+		if err := db.Model(&VideoData{}).Where("Id = ?", comment.VideoId).Update("CommentCount", gorm.Expr("comment_count + ?", 1)).Error; err != nil {
+			return err
+		}
+		return nil
+	})
+	return err1
+
+}
+
+func DeleteComment(id int64, videoid int64) error {
+	err1 := Db.Transaction(func(db *gorm.DB) error {
+
+		if err := db.Model(&CommentData{}).Where("Id = ?", id).Update("cancel", 1).Error; err != nil {
+			return err
+		}
+
+		if err := db.Model(&VideoData{}).Where("Id = ?", videoid).Update("CommentCount", gorm.Expr("comment_count - ?", 1)).Error; err != nil {
+			return err
+		}
+		return nil
+	})
+	return err1
+}
+
+func FindCommentById(id int64) (CommentData, error) {
+	var comment CommentData
+	if err := Db.Where(&CommentData{Id: id}).First(&comment).Error; err != nil {
+		return CommentData{}, err
+	}
+	return comment, nil
+
+}
+
+func FindCommentsByVideoId(viderId int64) []CommentData {
+	var comments []CommentData
+	//当使用结构作为条件查询时，GORM 只会查询非零值字段，更新也是如此。
+	//config.DB.Where(&Comment{Cancel: 0, VideoId: viderId}).Order("create_date desc").Find(&comments)
+	//解决办法：使用 map 来构建更新条件，而不是结构体 &Comment{}
+	Db.Where(map[string]interface{}{"video_id": viderId, "cancel": 0}).Order("create_date desc").Find(&comments)
+	return comments
+}
diff --git a/model/favorite.go b/model/favorite.go
new file mode 100644
index 0000000..b35c51d
--- /dev/null
+++ b/model/favorite.go
@@ -0,0 +1,10 @@
+package model
+
+type FavoriteData struct {
+	Token   string `json:"column:token"`
+	VideoId string `json:"column:video_id"`
+	//user_id  int64  `gorm:"column:user_id"`	//because FavoriteAction has no req para named user_id
+}
+
+type Favorite struct {
+}
diff --git a/model/feed.go b/model/feed.go
new file mode 100644
index 0000000..d11df1f
--- /dev/null
+++ b/model/feed.go
@@ -0,0 +1,7 @@
+package model
+
+type Following struct {
+	Id       int64 `gorm:"column:relation_id; primary_key;"`
+	AuthorId int64 `gorm:"column:author_id"`   //视频发布者id
+	Follower int64 `gorm:"column:follower_id"` //关注者id
+}
diff --git a/model/mysql.go b/model/mysql.go
new file mode 100644
index 0000000..4444b10
--- /dev/null
+++ b/model/mysql.go
@@ -0,0 +1,31 @@
+package model
+
+import (
+	"fmt"
+
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+)
+
+var Db *gorm.DB
+var Err error
+
+func InitDB() {
+	host := "localhost"
+	port := "3306"
+	database := "godance"
+
+	username := "root"
+	password := "rac1104"
+
+	charset := "utf8"
+	dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=%s&parseTime=true", username, password, host, port, database, charset)
+	Db, Err = gorm.Open(mysql.Open(dsn), &gorm.Config{})
+	if Err != nil {
+		panic("Error to DB connection, err: " + Err.Error())
+	}
+}
+
+func InitTable() {
+	Db.AutoMigrate(&CommentData{}, &UserData{}, &VideoData{}, &FavoriteData{})
+}
diff --git a/model/user.go b/model/user.go
new file mode 100644
index 0000000..534dbf8
--- /dev/null
+++ b/model/user.go
@@ -0,0 +1,27 @@
+package model
+
+// 存储在数据库中的User结构
+type UserData struct {
+	Id            int64  `gorm:"column:user_id; primary_key;""`
+	Name          string `json:"name"`
+	Password      string `json:"password"`
+	FollowCount   int64  `json:"follow_count"`
+	FollowerCount int64  `json:"follower_count"`
+	TotalFav      int64  `json:"total_favorited"`
+	FavCount      int64  `json:"favorite_count"`
+	IsFollow      bool   `json:"is_follow,omitempty"`
+	Token         string `json:"token,omitempty"`
+}
+
+// 用于返回的User结构
+type User struct {
+	Id            int64  `json:"id,omitempty"`
+	Name          string `json:"name,omitempty"`
+	Password      string `json:"password,omitempty"`
+	FollowCount   int64  `json:"follow_count,omitempty"`
+	FollowerCount int64  `json:"follower_count,omitempty"`
+	TotalFav      int64  `json:"total_favorited,omitempty"`
+	FavCount      int64  `json:"favorite_count,omitempty"`
+	IsFollow      bool   `json:"is_follow,omitempty"`
+	Token         string `json:"token,omitempty"`
+}
diff --git a/model/video.go b/model/video.go
new file mode 100644
index 0000000..840ca50
--- /dev/null
+++ b/model/video.go
@@ -0,0 +1,37 @@
+package model
+
+// 存储在数据库中的Video结构
+type VideoData struct {
+	Id            int64  `json:"id,omitempty" grom:"autoIncrement"`
+	Author        int64  `json:"author"`
+	PlayUrl       string `json:"play_url" json:"play_url,omitempty" gorm:"default:https://www.w3schools.com/html/movie.mp4"`
+	CoverUrl      string `json:"cover_url,omitempty" gorm:"default:https://cdn.pixabay.com/photo/2016/03/27/18/10/bear-1283347_1280.jpg"`
+	FavoriteCount int64  `json:"favorite_count,omitempty" gorm:"default:0"`
+	CommentCount  int64  `json:"comment_count,omitempty" gorm:"default:0"`
+	IsFavorite    bool   `json:"is_favorite,omitempty" gorm:"type:tinyint(1);default:0"`
+	CreateTime    int64  `gorm:"column:create_at;"`
+}
+
+// 用于返回的Video结构
+type Video struct {
+	Id            int64  `json:"id,omitempty"`
+	Author        User   `json:"author"`
+	PlayUrl       string `json:"play_url,omitempty"`
+	CoverUrl      string `json:"cover_url,omitempty"`
+	CreateTime    int64  `gorm:"column:create_at;"`
+	FavoriteCount int64  `json:"favorite_count,omitempty"`
+	CommentCount  int64  `json:"comment_count,omitempty"`
+	IsFavorite    bool   `json:"is_favorite,omitempty"`
+	//Title         string `json:"title,omitempty"`
+}
+
+// PublishListVideoStruct as just store author's id in database, need another struct to meet the interface of PublishList
+type PublishListVideoStruct struct {
+	Id            int64  `json:"id,omitempty"`
+	Author        User   `json:"author"`
+	PlayUrl       string `json:"play_url" json:"play_url,omitempty"`
+	CoverUrl      string `json:"cover_url,omitempty"`
+	FavoriteCount int64  `json:"favorite_count,omitempty"`
+	CommentCount  int64  `json:"comment_count,omitempty"`
+	IsFavorite    bool   `json:"is_favorite,omitempty"`
+}
diff --git a/router.go b/router.go
new file mode 100644
index 0000000..e9c1430
--- /dev/null
+++ b/router.go
@@ -0,0 +1,22 @@
+package main
+
+import (
+	"GoDance/controller"
+	"github.com/gin-gonic/gin"
+)
+
+func initRouter(r *gin.Engine) {
+
+	apiRouter := r.Group("/douyin")
+
+	apiRouter.GET("/user/", controller.UserInfo)
+	apiRouter.GET("/feed/", controller.Feed)
+	apiRouter.GET("/publish/list/", controller.PublishList)
+	apiRouter.GET("/comment/list/", controller.CommentList)
+	//apiRouter.GET("/favorite/list/", controller.FavoriteList)
+	apiRouter.POST("/user/register/", controller.Register)
+	apiRouter.POST("/user/login/", controller.Login)
+	apiRouter.POST("/publish/action/", controller.Publish)
+	apiRouter.POST("/comment/action/", controller.CommentAction)
+	apiRouter.POST("/favorite/action/", controller.FavoriteAction)
+}
diff --git a/service/favoriteService.go b/service/favoriteService.go
new file mode 100644
index 0000000..8c1133f
--- /dev/null
+++ b/service/favoriteService.go
@@ -0,0 +1,15 @@
+package service
+
+import (
+	"GoDance/model"
+)
+
+func isFavorite(UserId int64, VideoId int64) bool {
+	fol := model.FavoriteData{}
+	if err := model.Db.Table("favorite").Where("user_id=? AND guest_id=?", UserId, VideoId).Find(&fol).Error; err != nil {
+		//没点喜欢
+		return false
+	}
+	//点了喜欢
+	return true
+}
diff --git a/service/followingService.go b/service/followingService.go
new file mode 100644
index 0000000..425c38f
--- /dev/null
+++ b/service/followingService.go
@@ -0,0 +1,15 @@
+package service
+
+import (
+	"GoDance/model"
+)
+
+func isFollowing(AuthorId int64, Follower int64) bool {
+	fol := model.Following{}
+	if err := model.Db.Table("following").Where("author_id=? AND follower_id=?", AuthorId, Follower).Find(&fol).Error; err != nil {
+		//没有关注
+		return false
+	}
+	//已关注
+	return true
+}
diff --git a/service/userService.go b/service/userService.go
new file mode 100644
index 0000000..afec601
--- /dev/null
+++ b/service/userService.go
@@ -0,0 +1,121 @@
+package service
+
+import (
+	"GoDance/model"
+	"errors"
+	"fmt"
+	"sync/atomic"
+)
+
+var UserIdSequence = int64(1)
+
+func FeedResponseUser(user model.User) model.User {
+	return model.User{
+		Id:            user.Id,
+		Name:          user.Name,
+		FollowCount:   user.FollowCount,
+		FollowerCount: user.FollowerCount,
+		IsFollow:      false,
+		TotalFav:      user.TotalFav,
+		FavCount:      user.FavCount,
+	}
+}
+
+func GetUserInfoVO(userId int64) (model.User, error) {
+	db := model.Db
+	user := model.UserData{}
+	var userVO model.User
+	if err := db.Table("user_data").Where("user_id=  ?", userId).Find(&user).Error; err != nil {
+		return userVO, err
+	}
+	fmt.Println(user)
+	userVO.FollowCount = user.FollowCount
+	userVO.Id = user.Id
+	userVO.Name = user.Name
+	userVO.FollowerCount = user.FollowerCount
+	userVO.IsFollow = user.IsFollow
+	return userVO, nil
+}
+
+func Login(username string, password string) (model.UserData, error) {
+	var user model.UserData
+	model.Db.Where("name=? AND password=?", username, password).Find(&user)
+	fmt.Println(user)
+	if user.Id == 0 {
+		return model.UserData{}, errors.New("login failed,please check your username or password")
+	} else {
+		fmt.Println("success")
+		return user, nil
+	}
+}
+
+func Register(username string, password string) (model.UserData, error) {
+	var user model.UserData
+	model.Db.Find(&user, "name=?", username)
+	if user.Id != 0 {
+		return model.UserData{}, errors.New("user already exist")
+	} else {
+		atomic.AddInt64(&UserIdSequence, 1)
+		user := model.UserData{
+			Id:            UserIdSequence,
+			Name:          username,
+			Password:      password,
+			FollowCount:   0,
+			FollowerCount: 0,
+			TotalFav:      0,
+			FavCount:      0,
+			IsFollow:      false,
+			Token:         username + password,
+		}
+		if model.Db.Create(&user).RowsAffected == 1 {
+			return user, nil
+		} else {
+			return model.UserData{}, errors.New("register failed")
+		}
+	}
+}
+func FindUserByToken(token string) (model.User, error) {
+	var user model.UserData
+	fmt.Println(token)
+	model.Db.Table("user_data").Find(&user, "token=?", token)
+	fmt.Println(user)
+	if user.Id == 0 {
+		return model.User{}, errors.New("user doesn't exist")
+	} else {
+		ret_user := model.User{
+			Id:            user.Id,
+			Name:          user.Name,
+			Password:      user.Password,
+			FollowCount:   user.FollowCount,
+			FollowerCount: user.FollowCount,
+			TotalFav:      user.TotalFav,
+			FavCount:      user.FavCount,
+			IsFollow:      user.IsFollow,
+			Token:         user.Token,
+		}
+		fmt.Println(ret_user)
+		return ret_user, nil
+	}
+}
+
+func FindUserById(id int64) (model.User, error) {
+	var user model.UserData
+	model.Db.Table("user_data").Find(&user, "user_id=?", id)
+	if user.Id == 0 {
+		return model.User{}, errors.New("user doesn't exist")
+	} else {
+		ret_user := model.User{
+			Id:            user.Id,
+			Name:          user.Name,
+			Password:      user.Password,
+			FollowCount:   user.FollowCount,
+			FollowerCount: user.FollowCount,
+			TotalFav:      user.TotalFav,
+			FavCount:      user.FavCount,
+			IsFollow:      user.IsFollow,
+			Token:         user.Token,
+		}
+		fmt.Println(ret_user)
+		return ret_user, nil
+	}
+}
diff --git a/service/videoService.go b/service/videoService.go
new file mode 100644
index 0000000..74cd308
--- /dev/null
+++ b/service/videoService.go
@@ -0,0 +1,66 @@
+package service
+
+import (
+	"GoDance/model"
+	"fmt"
+)
+
+const videoNum = 2 //单次最多返回的视频数量
+
+// FeedGet 获得视频列表
+func FeedGet(currentTime int64, userId int64) (feedVideoList []model.Video, nextTime int64, err error) {
+	var videoList []model.VideoData
+	videoList = make([]model.VideoData, 0)
+	videoList, err = GetFeedVideoList(currentTime)
+	if err != nil {
+		fmt.Println("获取视频列表出错")
+		fmt.Println(err.Error())
+		return nil, 0, err
+	}
+
+	feedVideoList, nextTime = FeedResponseVideoList(videoList, userId)
+	fmt.Println(feedVideoList)
+	return feedVideoList, nextTime, nil
+}
+
+func GetFeedVideoList(currentTime int64) (videoList []model.VideoData, err error) {
+	//按照发布时间获取视频
+	err = model.Db.Table("video_data").Where("create_at < ?", currentTime).Order("create_at desc").Limit(videoNum).Find(&videoList).Error
+	return videoList, err
+}
+
+// 把gorm操作的结构体转换成视频流推送的结构体
+func FeedResponseVideoList(videoList []model.VideoData, userId int64) ([]model.Video, int64) {
+	feedVideoList := make([]model.Video, len(videoList))
+	var nextTime int64
+	for i, v := range videoList {
+		author, _ := FindUserById(v.Author)
+		temp := model.Video{
+			Id:            v.Id,
+			Author:        author,
+			PlayUrl:       v.PlayUrl,
+			CoverUrl:      v.CoverUrl,
+			FavoriteCount: v.FavoriteCount,
+			CommentCount:  v.CommentCount,
+			IsFavorite:    false,
+			//Title:         v.Title,
+			//Author:        FeedResponseUser(author),
+		}
+		//判断是否关注
+		//if ok := isFollowing(v.AuthorId, userId); ok {
+		//	temp.Author.IsFollow = true
+		//}
+
+		//判断是否点赞
+		//if ok := isFavorite(userId, v.Id); ok {
+		//	temp.Author.IsFollow = true
+		//}
+		feedVideoList[i] = temp
+
+		//获取最后的时间
+		nextTime = v.CreateTime
+	}
+	fmt.Println(feedVideoList)
+	fmt.Println(nextTime)
+	return feedVideoList, nextTime
+}