diff --git a/docs/docs.go b/docs/docs.go
index 68e498f..d06a31d 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -741,22 +741,26 @@ const docTemplate = `{
             "enum": [
                 0,
                 1,
-                2
+                2,
+                3
             ],
             "x-enum-comments": {
                 "PlanStatusDisabled": "禁用计划",
                 "PlanStatusEnabled": "启用计划",
+                "PlanStatusFailed": "执行失败",
                 "PlanStatusStopeed": "执行完毕"
             },
             "x-enum-descriptions": [
-                "启用计划",
                 "禁用计划",
-                "执行完毕"
+                "启用计划",
+                "执行完毕",
+                "执行失败"
             ],
             "x-enum-varnames": [
-                "PlanStatusEnabled",
                 "PlanStatusDisabled",
-                "PlanStatusStopeed"
+                "PlanStatusEnabled",
+                "PlanStatusStopeed",
+                "PlanStatusFailed"
             ]
         },
         "models.TaskType": {
@@ -781,19 +785,10 @@ const docTemplate = `{
         "plan.CreatePlanRequest": {
             "type": "object",
             "required": [
-                "content_type",
                 "execution_type",
                 "name"
             ],
             "properties": {
-                "content_type": {
-                    "allOf": [
-                        {
-                            "$ref": "#/definitions/models.PlanContentType"
-                        }
-                    ],
-                    "example": "tasks"
-                },
                 "cron_expression": {
                     "type": "string",
                     "example": "0 0 6 * * *"
@@ -1005,14 +1000,6 @@ const docTemplate = `{
         "plan.UpdatePlanRequest": {
             "type": "object",
             "properties": {
-                "content_type": {
-                    "allOf": [
-                        {
-                            "$ref": "#/definitions/models.PlanContentType"
-                        }
-                    ],
-                    "example": "tasks"
-                },
                 "cron_expression": {
                     "type": "string",
                     "example": "0 0 6 * * *"
diff --git a/docs/swagger.json b/docs/swagger.json
index 4adabab..ba89445 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -730,22 +730,26 @@
             "enum": [
                 0,
                 1,
-                2
+                2,
+                3
             ],
             "x-enum-comments": {
                 "PlanStatusDisabled": "禁用计划",
                 "PlanStatusEnabled": "启用计划",
+                "PlanStatusFailed": "执行失败",
                 "PlanStatusStopeed": "执行完毕"
             },
             "x-enum-descriptions": [
-                "启用计划",
                 "禁用计划",
-                "执行完毕"
+                "启用计划",
+                "执行完毕",
+                "执行失败"
             ],
             "x-enum-varnames": [
-                "PlanStatusEnabled",
                 "PlanStatusDisabled",
-                "PlanStatusStopeed"
+                "PlanStatusEnabled",
+                "PlanStatusStopeed",
+                "PlanStatusFailed"
             ]
         },
         "models.TaskType": {
@@ -770,19 +774,10 @@
         "plan.CreatePlanRequest": {
             "type": "object",
             "required": [
-                "content_type",
                 "execution_type",
                 "name"
             ],
             "properties": {
-                "content_type": {
-                    "allOf": [
-                        {
-                            "$ref": "#/definitions/models.PlanContentType"
-                        }
-                    ],
-                    "example": "tasks"
-                },
                 "cron_expression": {
                     "type": "string",
                     "example": "0 0 6 * * *"
@@ -994,14 +989,6 @@
         "plan.UpdatePlanRequest": {
             "type": "object",
             "properties": {
-                "content_type": {
-                    "allOf": [
-                        {
-                            "$ref": "#/definitions/models.PlanContentType"
-                        }
-                    ],
-                    "example": "tasks"
-                },
                 "cron_expression": {
                     "type": "string",
                     "example": "0 0 6 * * *"
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index dcb61c8..a759ecd 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -129,20 +129,24 @@ definitions:
     - 0
     - 1
     - 2
+    - 3
     format: int32
     type: integer
     x-enum-comments:
       PlanStatusDisabled: 禁用计划
       PlanStatusEnabled: 启用计划
+      PlanStatusFailed: 执行失败
       PlanStatusStopeed: 执行完毕
     x-enum-descriptions:
-    - 启用计划
     - 禁用计划
+    - 启用计划
     - 执行完毕
+    - 执行失败
     x-enum-varnames:
-    - PlanStatusEnabled
     - PlanStatusDisabled
+    - PlanStatusEnabled
     - PlanStatusStopeed
+    - PlanStatusFailed
   models.TaskType:
     enum:
     - plan_analysis
@@ -159,10 +163,6 @@ definitions:
     - TaskTypeWaiting
   plan.CreatePlanRequest:
     properties:
-      content_type:
-        allOf:
-        - $ref: '#/definitions/models.PlanContentType'
-        example: tasks
       cron_expression:
         example: 0 0 6 * * *
         type: string
@@ -188,7 +188,6 @@ definitions:
           $ref: '#/definitions/plan.TaskRequest'
         type: array
     required:
-    - content_type
     - execution_type
     - name
     type: object
@@ -306,10 +305,6 @@ definitions:
     type: object
   plan.UpdatePlanRequest:
     properties:
-      content_type:
-        allOf:
-        - $ref: '#/definitions/models.PlanContentType'
-        example: tasks
       cron_expression:
         example: 0 0 6 * * *
         type: string
diff --git a/internal/app/controller/plan/plan_controller.go b/internal/app/controller/plan/plan_controller.go
index 0dec13f..c250477 100644
--- a/internal/app/controller/plan/plan_controller.go
+++ b/internal/app/controller/plan/plan_controller.go
@@ -22,7 +22,6 @@ type CreatePlanRequest struct {
 	ExecutionType  models.PlanExecutionType `json:"execution_type" binding:"required" example:"automatic"`
 	ExecuteNum     uint                     `json:"execute_num,omitempty" example:"10"`
 	CronExpression string                   `json:"cron_expression" example:"0 0 6 * * *"`
-	ContentType    models.PlanContentType   `json:"content_type" binding:"required" example:"tasks"`
 	SubPlanIDs     []uint                   `json:"sub_plan_ids,omitempty"`
 	Tasks          []TaskRequest            `json:"tasks,omitempty"`
 }
@@ -55,7 +54,6 @@ type UpdatePlanRequest struct {
 	ExecutionType  models.PlanExecutionType `json:"execution_type" example:"automatic"`
 	ExecuteNum     uint                     `json:"execute_num,omitempty" example:"10"`
 	CronExpression string                   `json:"cron_expression" example:"0 0 6 * * *"`
-	ContentType    models.PlanContentType   `json:"content_type" example:"tasks"`
 	SubPlanIDs     []uint                   `json:"sub_plan_ids,omitempty"`
 	Tasks          []TaskRequest            `json:"tasks,omitempty"`
 }
@@ -132,6 +130,14 @@ func (c *Controller) CreatePlan(ctx *gin.Context) {
 		return
 	}
 
+	// --- 自动判断 ContentType ---
+	if len(req.SubPlanIDs) > 0 {
+		planToCreate.ContentType = models.PlanContentTypeSubPlans
+	} else {
+		// 如果 SubPlanIDs 未提供，则默认为 Tasks 类型（即使 Tasks 字段也未提供）
+		planToCreate.ContentType = models.PlanContentTypeTasks
+	}
+
 	// 调用仓库方法创建计划
 	if err := c.planRepo.CreatePlan(planToCreate); err != nil {
 		controller.SendErrorResponse(ctx, controller.CodeBadRequest, "创建计划失败: "+err.Error())
@@ -269,6 +275,14 @@ func (c *Controller) UpdatePlan(ctx *gin.Context) {
 	}
 	planToUpdate.ID = uint(id) // 确保ID被设置
 
+	// --- 自动判断 ContentType ---
+	if len(req.SubPlanIDs) > 0 {
+		planToUpdate.ContentType = models.PlanContentTypeSubPlans
+	} else {
+		// 如果 SubPlanIDs 未提供，则默认为 Tasks 类型（即使 Tasks 字段也未提供）
+		planToUpdate.ContentType = models.PlanContentTypeTasks
+	}
+
 	// 4. 检查计划是否存在
 	_, err = c.planRepo.GetBasicPlanByID(uint(id))
 	if err != nil {