diff --git a/api/v1/plant/enter.go b/api/v1/plant/enter.go
index d09ceca..5c43209 100644
--- a/api/v1/plant/enter.go
+++ b/api/v1/plant/enter.go
@@ -4,10 +4,12 @@ import "sundynix-go/service"
 
 type ApiGroup struct {
 	MyPlantApi
+	TopicApi
 	PostApi
 }
 
 var (
 	plantService = service.GroupApp.PlantServiceGroup.MyPlantService
+	topicService = service.GroupApp.PlantServiceGroup.TopicService
 	postService  = service.GroupApp.PlantServiceGroup.PostService
 )
diff --git a/api/v1/plant/my_plant.go b/api/v1/plant/my_plant.go
index 6a12dae..0baaa06 100644
--- a/api/v1/plant/my_plant.go
+++ b/api/v1/plant/my_plant.go
@@ -16,7 +16,7 @@ type MyPlantApi struct{}
 // AddPlant 添加植物
 // @Tags 我的植物
 // @Summary 添加植物
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @accept json
 // @Produce  application/json
 // @Param data body plantReq.CreateMyPlant true "创建植物"
@@ -42,7 +42,7 @@ func (a *MyPlantApi) AddPlant(c *gin.Context) {
 // PlantPage 植物列表
 // @Tags 我的植物
 // @Summary 植物列表
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @accept json
 // @Produce  application/json
 // @Param data body request.PageInfo true "分页获取植物列表"
@@ -72,7 +72,7 @@ func (a *MyPlantApi) PlantPage(c *gin.Context) {
 // PlantDetail 植物详情
 // @Tags 我的植物
 // @Summary ById植物详情
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @Produce  application/json
 // @Param id query string true "id"
 // @Success 200 {string} string "{"success":true,"data":{},"msg":"获取ById成功"}"
@@ -91,7 +91,7 @@ func (a *MyPlantApi) PlantDetail(c *gin.Context) {
 // UpdatePlant 修改植物
 // @Tags 我的植物
 // @Summary 修改ById植物
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @accept json
 // @Produce  application/json
 // @Param data body plantReq.UpdateMyPlant true "修改ById植物"
@@ -116,7 +116,7 @@ func (a *MyPlantApi) UpdatePlant(c *gin.Context) {
 // TodayTask 今日任务
 // @Tags 我的植物
 // @Summary 今日任务
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @accept json
 // @Produce  application/json
 // @Success 200 {string} string "{"success":true,"data":{},"msg":"获取成功"}"
@@ -137,7 +137,7 @@ func (a *MyPlantApi) TodayTask(c *gin.Context) {
 // CompleteTask plantReq.CompleteMyPlant
 // @Tags 我的植物
 // @Summary 完成任务
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @accept json
 // @Produce  application/json
 // @Param data body plantReq.CompleteTask true "完成任务"
@@ -162,12 +162,12 @@ func (a *MyPlantApi) CompleteTask(c *gin.Context) {
 // DeletePlants
 // @Tags 我的植物
 // @Summary 删除植物
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @accept json
 // @Produce  application/json
 // @Param data body request.IdsReq true "删除植物"
 // @Success 200 {string} string "{"success":true,"data":{},"msg":"删除成功"}"
-// @Router /plant/delete/ [post]
+// @Router /plant/deletePlant [post]
 func (a *MyPlantApi) DeletePlants(c *gin.Context) {
 	var req request.IdsReq
 	err := c.ShouldBindJSON(&req)
@@ -186,12 +186,12 @@ func (a *MyPlantApi) DeletePlants(c *gin.Context) {
 // DeletePlans DeletePlants
 // @Tags 我的植物
 // @Summary 删除任务
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @accept json
 // @Produce  application/json
 // @Param data body request.IdsReq true "删除植物"
 // @Success 200 {string} string "{"success":true,"data":{},"msg":"删除成功"}"
-// @Router /plant/deletePlant [post]
+// @Router /plant/deletePlan [post]
 func (a *MyPlantApi) DeletePlans(c *gin.Context) {
 	var req request.IdsReq
 	err := c.ShouldBindJSON(&req)
diff --git a/api/v1/plant/post.go b/api/v1/plant/post.go
index 9e7b0f4..1635113 100644
--- a/api/v1/plant/post.go
+++ b/api/v1/plant/post.go
@@ -15,7 +15,7 @@ type PostApi struct{}
 // PublishPost 发布帖子
 // @Tags 帖子
 // @Summary 发布帖子
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @accept json
 // @Produce  application/json
 // @Param data body plantReq.CreatePost true "发布帖子"
@@ -42,7 +42,7 @@ func (a *PostApi) PublishPost(c *gin.Context) {
 // PostPage 帖子列表
 // @Tags 帖子
 // @Summary 帖子列表
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @accept json
 // @Produce  application/json
 // @Param data body plantReq.PostPage true "分页获取帖子列表"
@@ -73,7 +73,7 @@ func (a *PostApi) PostPage(c *gin.Context) {
 // LikePost 点赞帖子
 // @Tags 帖子
 // @Summary 点赞帖子
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @Produce  application/json
 // @Param id query string true "帖子id"
 // @Param type query string true "点赞类型 1 点赞 2 取消点赞"
@@ -95,7 +95,7 @@ func (a *PostApi) LikePost(c *gin.Context) {
 // CommentPost 评论帖子
 // @Tags 帖子
 // @Summary 评论帖子
-// @Security ApiKeyAuth
+// @Security BearerAuth
 // @accept json
 // @Produce  application/json
 // @Param data body plantReq.CreateComment true "评论帖子"
diff --git a/api/v1/plant/topic.go b/api/v1/plant/topic.go
new file mode 100644
index 0000000..95893ca
--- /dev/null
+++ b/api/v1/plant/topic.go
@@ -0,0 +1,152 @@
+package plant
+
+import (
+	"sundynix-go/global"
+	"sundynix-go/model/commom/request"
+	"sundynix-go/model/commom/response"
+	plantReq "sundynix-go/model/plant/request"
+
+	"github.com/gin-gonic/gin"
+	"go.uber.org/zap"
+)
+
+type TopicApi struct{}
+
+// AddTopic 发布话题
+// @Tags 帖子话题
+// @Summary 发布话题
+// @Security BearerAuth
+// @accept json
+// @Produce  application/json
+// @Param data body plantReq.CreateTopic true "发布话题"
+// @Success 200 {string} string "{"success":true,"data":{},"msg":"发布成功"}"
+// @Router /topic/add [post]
+func (a *TopicApi) AddTopic(c *gin.Context) {
+	var req plantReq.CreateTopic
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.FailWithMsg("请求参数错误", c)
+		return
+	}
+	err := topicService.AddTopic(req)
+	if err != nil {
+		global.Logger.Error("添加话题失败", zap.Error(err))
+		response.FailWithMsg("添加话题失败", c)
+		return
+	}
+	response.OkWithMsg("添加话题成功", c)
+}
+
+// UpdateTopic
+// @Tags 帖子话题
+// @Summary 修改话题
+// @Security BearerAuth
+// @accept json
+// @Produce  application/json
+// @Param data body plantReq.UpdateTopic true "修改话题"
+// @Success 200 {string} string "{"success":true,"data":{},"msg":"发布成功"}"
+// @Router /topic/add [post]
+func (a *TopicApi) UpdateTopic(c *gin.Context) {
+	var req plantReq.UpdateTopic
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.FailWithMsg("请求参数错误", c)
+		return
+	}
+	err := topicService.UpdateTopic(req)
+	if err != nil {
+		global.Logger.Error("修改话题失败", zap.Error(err))
+		response.FailWithMsg("修改话题失败", c)
+		return
+	}
+	response.OkWithMsg("修改话题成功", c)
+}
+
+// TopicPage 话题列表
+// @Tags 帖子话题
+// @Summary 话题分页
+// @Security BearerAuth
+// @accept json
+// @Produce  application/json
+// @Param data body request.PageInfo true "分页获取话题列表"
+// @Success 200 {string} string "{"success":true,"data":{},"msg":"获取成功"}"
+// @Router /topic/page [post]
+func (a *TopicApi) TopicPage(c *gin.Context) {
+	var req request.PageInfo
+	if err := c.ShouldBindQuery(&req); err != nil {
+		response.FailWithMsg("请求参数错误", c)
+		return
+	}
+	list, total, err := topicService.TopicPage(req)
+	if err != nil {
+		global.Logger.Error("修改话题失败", zap.Error(err))
+		response.FailWithMsg("修改话题失败", c)
+		return
+	}
+	response.OkWithData(response.PageResult{
+		List:     list,
+		Total:    total,
+		Page:     req.Current,
+		PageSize: req.PageSize,
+	}, c)
+}
+
+// TopicList 话题列表
+// @Tags 帖子话题
+// @Summary 话题列表
+// @Security BearerAuth
+// @Produce  application/json
+// @Success 200 {string} string "{"success":true,"data":{},"msg":"获取成功"}"
+// @Router /topic/list [get]
+func (a *TopicApi) TopicList(c *gin.Context) {
+	list, err := topicService.TopicList()
+	if err != nil {
+		global.Logger.Error("获取话题列表失败", zap.Error(err))
+		response.FailWithMsg("获取话题列表失败", c)
+		return
+	}
+	response.OkWithData(response.ListResult{
+		List: list,
+	}, c)
+}
+
+// TopicDetail 话题详情
+// @Tags 帖子话题
+// @Summary 话题详情
+// @Security BearerAuth
+// @Produce  application/json
+// @Param id query string true "id"
+// @Success 200 {string} string "{"success":true,"data":{},"msg":"获取成功"}"
+// @Router /topic/detail [get]
+func (a *TopicApi) TopicDetail(c *gin.Context) {
+	id := c.Query("id")
+	topic, err := topicService.Detail(id)
+	if err != nil {
+		response.FailWithMsg("获取失败", c)
+		return
+	}
+	response.OkWithData(topic, c)
+
+}
+
+// DeleteTopic 删除植物
+// @Tags 帖子话题
+// @Summary 删除任务
+// @Security BearerAuth
+// @accept json
+// @Produce  application/json
+// @Param data body request.IdsReq true "删除话题"
+// @Success 200 {string} string "{"success":true,"data":{},"msg":"删除成功"}"
+// @Router /topic/delete [post]
+func (a *TopicApi) DeleteTopic(c *gin.Context) {
+	var req request.IdsReq
+	err := c.ShouldBindJSON(&req)
+	if err != nil {
+		response.FailWithMsg("请求参数错误", c)
+		return
+	}
+	err = topicService.DeleteTopics(req)
+	if err != nil {
+		global.Logger.Error("删除话题失败", zap.Error(err))
+		response.FailWithMsg("删除话题失败", c)
+	}
+	response.OkWithMsg("删除话题成功", c)
+}
diff --git a/go.mod b/go.mod
index 5b2675e..798a7b8 100644
--- a/go.mod
+++ b/go.mod
@@ -21,7 +21,6 @@ require (
 	github.com/swaggo/swag v1.16.6
 	github.com/tencentyun/cos-go-sdk-v5 v0.7.70
 	github.com/wechatpay-apiv3/wechatpay-go v0.2.21
-	github.com/xuri/excelize/v2 v2.10.0
 	go.uber.org/zap v1.27.0
 	golang.org/x/crypto v0.45.0
 	golang.org/x/sync v0.18.0
@@ -91,8 +90,6 @@ require (
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/philhofer/fwd v1.2.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
-	github.com/richardlehane/mscfb v1.0.4 // indirect
-	github.com/richardlehane/msoleps v1.0.4 // indirect
 	github.com/rs/xid v1.6.0 // indirect
 	github.com/sagikazarmark/locafero v0.7.0 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
@@ -100,12 +97,9 @@ require (
 	github.com/spf13/cast v1.7.1 // indirect
 	github.com/spf13/pflag v1.0.6 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
-	github.com/tiendc/go-deepcopy v1.7.1 // indirect
 	github.com/tinylib/msgp v1.3.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.3.0 // indirect
-	github.com/xuri/efp v0.0.1 // indirect
-	github.com/xuri/nfp v0.0.2-0.20250530014748-2ddeb826f9a9 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/arch v0.21.0 // indirect
 	golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0 // indirect
diff --git a/go.sum b/go.sum
index 641ffb9..2cd1e9c 100644
--- a/go.sum
+++ b/go.sum
@@ -167,11 +167,6 @@ github.com/redis/go-redis/v9 v9.7.3 h1:YpPyAayJV+XErNsatSElgRZZVCwXX9QzkKYNvO7x0
 github.com/redis/go-redis/v9 v9.7.3/go.mod h1:bGUrSggJ9X9GUmZpZNEOQKaANxSGgOEBRltRTZHSvrA=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
-github.com/richardlehane/mscfb v1.0.4 h1:WULscsljNPConisD5hR0+OyZjwK46Pfyr6mPu5ZawpM=
-github.com/richardlehane/mscfb v1.0.4/go.mod h1:YzVpcZg9czvAuhk9T+a3avCpcFPMUWm7gK3DypaEsUk=
-github.com/richardlehane/msoleps v1.0.1/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
-github.com/richardlehane/msoleps v1.0.4 h1:WuESlvhX3gH2IHcd8UqyCuFY5yiq/GR/yqaSM/9/g00=
-github.com/richardlehane/msoleps v1.0.4/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
 github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
 github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
 github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
@@ -214,8 +209,6 @@ github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/kms v1.0.563/go.mod h1:
 github.com/tencentyun/cos-go-sdk-v5 v0.7.70 h1:gkBkSfrDvUg4ZIjwYAfjbNCCclen9LCRNHhBNz+yjEQ=
 github.com/tencentyun/cos-go-sdk-v5 v0.7.70/go.mod h1:STbTNaNKq03u+gscPEGOahKzLcGSYOj6Dzc5zNay7Pg=
 github.com/tencentyun/qcloud-cos-sts-sdk v0.0.0-20250515025012-e0eec8a5d123/go.mod h1:b18KQa4IxHbxeseW1GcZox53d7J0z39VNONTxvvlkXw=
-github.com/tiendc/go-deepcopy v1.7.1 h1:LnubftI6nYaaMOcaz0LphzwraqN8jiWTwm416sitff4=
-github.com/tiendc/go-deepcopy v1.7.1/go.mod h1:4bKjNC2r7boYOkD2IOuZpYjmlDdzjbpTRyCx+goBCJQ=
 github.com/tinylib/msgp v1.3.0 h1:ULuf7GPooDaIlbyvgAxBV/FI7ynli6LZ1/nVUNu+0ww=
 github.com/tinylib/msgp v1.3.0/go.mod h1:ykjzy2wzgrlvpDCRc4LA8UXy6D8bzMSuAF3WD57Gok0=
 github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
@@ -224,12 +217,6 @@ github.com/ugorji/go/codec v1.3.0 h1:Qd2W2sQawAfG8XSvzwhBeoGq71zXOC/Q1E9y/wUcsUA
 github.com/ugorji/go/codec v1.3.0/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
 github.com/wechatpay-apiv3/wechatpay-go v0.2.21 h1:uIyMpzvcaHA33W/QPtHstccw+X52HO1gFdvVL9O6Lfs=
 github.com/wechatpay-apiv3/wechatpay-go v0.2.21/go.mod h1:A254AUBVB6R+EqQFo3yTgeh7HtyqRRtN2w9hQSOrd4Q=
-github.com/xuri/efp v0.0.1 h1:fws5Rv3myXyYni8uwj2qKjVaRP30PdjeYe2Y6FDsCL8=
-github.com/xuri/efp v0.0.1/go.mod h1:ybY/Jr0T0GTCnYjKqmdwxyxn2BQf2RcQIIvex5QldPI=
-github.com/xuri/excelize/v2 v2.10.0 h1:8aKsP7JD39iKLc6dH5Tw3dgV3sPRh8uRVXu/fMstfW4=
-github.com/xuri/excelize/v2 v2.10.0/go.mod h1:SC5TzhQkaOsTWpANfm+7bJCldzcnU/jrhqkTi/iBHBU=
-github.com/xuri/nfp v0.0.2-0.20250530014748-2ddeb826f9a9 h1:+C0TIdyyYmzadGaL/HBLbf3WdLgC29pgyhTjAT/0nuE=
-github.com/xuri/nfp v0.0.2-0.20250530014748-2ddeb826f9a9/go.mod h1:WwHg+CVyzlv/TX9xqBFXEZAuxOPxn2k1GNHwG41IIUQ=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
diff --git a/initialize/gorm.go b/initialize/gorm.go
index 51af66f..82ef181 100644
--- a/initialize/gorm.go
+++ b/initialize/gorm.go
@@ -43,6 +43,7 @@ func MigrateTable() {
 		plant.CarePlan{},    //植物养护计划
 		plant.CareTask{},    //植物养护任务
 		plant.CareRecord{},  //植物养护记录
+		plant.Topic{},       //帖子话题
 		plant.Post{},        //帖子
 		plant.PostLike{},    //帖子点赞
 		plant.PostComment{}, //帖子评论
diff --git a/initialize/router.go b/initialize/router.go
index dddb275..2cfa1a7 100644
--- a/initialize/router.go
+++ b/initialize/router.go
@@ -50,6 +50,7 @@ func Routers() {
 	{
 		//需要鉴权的路由
 		plantGroup.InitPlantRouter(NeedAuthGroup) // 植物相关
+		plantGroup.InitTopicRouter(NeedAuthGroup) // 帖子话题
 		plantGroup.InitPostRouter(NeedAuthGroup)  // 帖子相关
 
 	}
diff --git a/model/plant/community_post_topic.go b/model/plant/community_post_topic.go
new file mode 100644
index 0000000..e9f0120
--- /dev/null
+++ b/model/plant/community_post_topic.go
@@ -0,0 +1,14 @@
+package plant
+
+import (
+	"sundynix-go/global"
+	"time"
+)
+
+type Topic struct {
+	global.BaseModel
+	Title     string    `json:"title"`
+	StartTime time.Time `json:"start_time" gorm:"column:start_time;"`
+	EndTime   time.Time `json:"end_time"  gorm:"column:end_time;"`
+	Remark    string    `json:"remark"`
+}
diff --git a/model/plant/request/post.go b/model/plant/request/post.go
index 26a8b44..aa23c63 100644
--- a/model/plant/request/post.go
+++ b/model/plant/request/post.go
@@ -1,6 +1,8 @@
 package request
 
-import common "sundynix-go/model/commom/request"
+import (
+	common "sundynix-go/model/commom/request"
+)
 
 type CreatePost struct {
 	Title    string   `json:"title"`    // 标题 必须
diff --git a/model/plant/request/topic.go b/model/plant/request/topic.go
new file mode 100644
index 0000000..0d601ef
--- /dev/null
+++ b/model/plant/request/topic.go
@@ -0,0 +1,16 @@
+package request
+
+type CreateTopic struct {
+	Title     string `json:"title"`
+	StartTime string `json:"start_time"`
+	EndTime   string `json:"end_time"`
+	Remark    string `json:"remark"`
+}
+
+type UpdateTopic struct {
+	Id        int    `json:"id" binding:"required"`
+	Title     string `json:"title"`
+	StartTime string `json:"start_time"`
+	EndTime   string `json:"end_time"`
+	Remark    string `json:"remark"`
+}
diff --git a/router/plant/enter.go b/router/plant/enter.go
index 67add1d..5caefdd 100644
--- a/router/plant/enter.go
+++ b/router/plant/enter.go
@@ -4,11 +4,13 @@ import v1 "sundynix-go/api/v1"
 
 type RouterGroup struct {
 	MyPlantRouter
+	TopicRouter
 	PostRouter
 }
 
 // 初始化路由
 var (
 	myPlantApi = v1.ApiGroupApp.PlantApiGroup.MyPlantApi
+	topicApi   = v1.ApiGroupApp.PlantApiGroup.TopicApi
 	postApi    = v1.ApiGroupApp.PlantApiGroup.PostApi
 )
diff --git a/router/plant/post_router.go b/router/plant/post_router.go
index 8f916f3..e435737 100644
--- a/router/plant/post_router.go
+++ b/router/plant/post_router.go
@@ -7,6 +7,7 @@ type PostRouter struct{}
 func (p *PostRouter) InitPostRouter(Router *gin.RouterGroup) {
 	postRouter := Router.Group("post")
 	{
+		// 帖子
 		postRouter.POST("publish", postApi.PublishPost) // 发布帖子
 		postRouter.POST("page", postApi.PostPage)       // 帖子列表
 		postRouter.GET("like", postApi.LikePost)        // 点赞或者取消点赞
diff --git a/router/plant/topic_router.go b/router/plant/topic_router.go
new file mode 100644
index 0000000..b721a55
--- /dev/null
+++ b/router/plant/topic_router.go
@@ -0,0 +1,19 @@
+package plant
+
+import "github.com/gin-gonic/gin"
+
+type TopicRouter struct{}
+
+func (p *TopicRouter) InitTopicRouter(Router *gin.RouterGroup) {
+	topicRouter := Router.Group("topic")
+	{
+		//话题管理
+		topicRouter.POST("/add", topicApi.AddTopic)       // 添加话题
+		topicRouter.POST("/update", topicApi.UpdateTopic) //修改话题
+		topicRouter.POST("/page", topicApi.TopicPage)     //分页
+		topicRouter.GET("/list", topicApi.TopicList)
+		topicRouter.GET("/detail", topicApi.TopicDetail)
+		topicRouter.POST("/delete", topicApi.DeleteTopic)
+
+	}
+}
diff --git a/service/plant/enter.go b/service/plant/enter.go
index e1af4a6..b5f2768 100644
--- a/service/plant/enter.go
+++ b/service/plant/enter.go
@@ -2,5 +2,6 @@ package plant
 
 type ServiceGroup struct {
 	MyPlantService
+	TopicService
 	PostService
 }
diff --git a/service/plant/my_plant.go b/service/plant/my_plant.go
index 7a089bc..1c03e92 100644
--- a/service/plant/my_plant.go
+++ b/service/plant/my_plant.go
@@ -128,7 +128,6 @@ func (s *MyPlantService) UpdatePlant(req plantReq.UpdateMyPlant) error {
 		}
 		//2.修改计划
 		if len(req.CarePlans) > 0 {
-			//删除已经存在的计划 生成新的计划
 			for _, plan := range req.CarePlans {
 				err = tx.Model(&plant.CarePlan{}).Where("id = ?", plan.Id).Updates(map[string]interface{}{
 					"icon":   plan.Icon,
diff --git a/service/plant/topic.go b/service/plant/topic.go
new file mode 100644
index 0000000..31d3700
--- /dev/null
+++ b/service/plant/topic.go
@@ -0,0 +1,88 @@
+package plant
+
+import (
+	"errors"
+	"sundynix-go/global"
+	common "sundynix-go/model/commom/request"
+	"sundynix-go/model/plant"
+	plantReq "sundynix-go/model/plant/request"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type TopicService struct{}
+
+var TopicServiceApp = new(TopicService)
+
+// AddTopic 发布话题
+func (s *TopicService) AddTopic(req plantReq.CreateTopic) error {
+	// 查询是否存在
+	if !errors.Is(global.DB.Where("title = ?", req.Title).First(&plant.Topic{}).Error, gorm.ErrRecordNotFound) {
+		return errors.New("存在重复话题")
+	}
+	start, _ := time.Parse("2006-01-02 15:04:05", req.StartTime)
+	end, _ := time.Parse("2006-01-02 15:04:05", req.EndTime)
+	return global.DB.Create(&plant.Topic{
+		Title:     req.Title,
+		StartTime: start,
+		EndTime:   end,
+		Remark:    req.Remark,
+	}).Error
+}
+
+// UpdateTopic 修改话题
+func (s *TopicService) UpdateTopic(req plantReq.UpdateTopic) error {
+	start, _ := time.Parse("2006-01-02 15:04:05", req.StartTime)
+	end, _ := time.Parse("2006-01-02 15:04:05", req.EndTime)
+	updateMap := map[string]interface{}{
+		"title":      req.Title,
+		"start_time": start,
+		"end_time":   end,
+		"remark":     req.Remark,
+	}
+	err := global.DB.Model(&plant.Topic{}).Where("id = ?", req.Id).Updates(updateMap).Error
+	return err
+}
+
+// TopicPage 分页
+func (s *TopicService) TopicPage(req common.PageInfo) (list interface{}, total int64, err error) {
+	limit := req.PageSize
+	offset := req.PageSize * (req.Current - 1)
+	db := global.DB.Model(&plant.Topic{})
+	var topics []*plant.Topic
+	err = db.Count(&total).Error
+	err = db.Limit(limit).Offset(offset).Order("created_at desc").Find(&topics).Error
+	return topics, total, err
+}
+
+// TopicList 话题列表
+func (s *TopicService) TopicList() (list interface{}, err error) {
+	var topics []plant.Topic
+	err = global.DB.Order("created_at desc").Find(&topics).Error
+	return topics, err
+}
+
+// Detail 话题详情
+func (s *TopicService) Detail(id string) (t plant.Topic, err error) {
+	var res plant.Topic
+	err = global.DB.Where("id = ?", id).First(&res).Error
+	if err != nil {
+		return res, err
+	}
+	return res, nil
+}
+
+// DeleteTopics 删除话题
+func (s *TopicService) DeleteTopics(req common.IdsReq) error {
+	var topics []plant.Topic
+	err := global.DB.Where("id in (?)", req.Ids).Find(&topics).Error
+	if err != nil {
+		return err
+	}
+	err = global.DB.Unscoped().Delete(&plant.Topic{}).Error
+	if err != nil {
+		return err
+	}
+	return nil
+}