diff --git a/backend/docs/swagger.json b/backend/docs/swagger.json
index a396efa..4765455 100644
--- a/backend/docs/swagger.json
+++ b/backend/docs/swagger.json
@@ -1113,6 +1113,37 @@
                         }
                     }
                 }
+            },
+            "delete": {
+                "description": "删除模型",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Model"
+                ],
+                "summary": "删除模型",
+                "operationId": "delete-model",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "模型ID",
+                        "name": "id",
+                        "in": "query",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "$ref": "#/definitions/web.Resp"
+                        }
+                    }
+                }
             }
         },
         "/api/v1/model/check": {
@@ -2471,7 +2502,8 @@
                         "BaiZhiCloud",
                         "Hunyuan",
                         "BaiLian",
-                        "Volcengine"
+                        "Volcengine",
+                        "Other"
                     ],
                     "allOf": [
                         {
@@ -2853,6 +2885,10 @@
                     "description": "是否启用",
                     "type": "boolean"
                 },
+                "is_internal": {
+                    "description": "是否内部模型",
+                    "type": "boolean"
+                },
                 "model_name": {
                     "description": "模型名称 如: deepseek-v3",
                     "type": "string"
@@ -2921,7 +2957,8 @@
                         "BaiZhiCloud",
                         "Hunyuan",
                         "BaiLian",
-                        "Volcengine"
+                        "Volcengine",
+                        "Other"
                     ],
                     "allOf": [
                         {
@@ -3301,7 +3338,8 @@
                         "BaiZhiCloud",
                         "Hunyuan",
                         "BaiLian",
-                        "Volcengine"
+                        "Volcengine",
+                        "Other"
                     ],
                     "allOf": [
                         {
diff --git a/backend/domain/model.go b/backend/domain/model.go
index bda9f67..6ed6e82 100644
--- a/backend/domain/model.go
+++ b/backend/domain/model.go
@@ -14,6 +14,7 @@ type ModelUsecase interface {
 	MyModelList(ctx context.Context, req *MyModelListReq) ([]*Model, error)
 	Create(ctx context.Context, req *CreateModelReq) (*Model, error)
 	Update(ctx context.Context, req *UpdateModelReq) (*Model, error)
+	Delete(ctx context.Context, id string) error
 	Check(ctx context.Context, req *CheckModelReq) (*Model, error)
 	GetTokenUsage(ctx context.Context, modelType consts.ModelType) (*ModelTokenUsageResp, error)
 	InitModel(ctx context.Context) error
@@ -25,6 +26,7 @@ type ModelRepo interface {
 	List(ctx context.Context) (*AllModelResp, error)
 	Create(ctx context.Context, m *CreateModelReq) (*db.Model, error)
 	Update(ctx context.Context, id string, fn func(tx *db.Tx, old *db.Model, up *db.ModelUpdateOne) error) (*db.Model, error)
+	Delete(ctx context.Context, id string) error
 	MyModelList(ctx context.Context, req *MyModelListReq) ([]*db.Model, error)
 	ModelUsage(ctx context.Context, ids []uuid.UUID) (map[uuid.UUID]ModelUsage, error)
 	GetTokenUsage(ctx context.Context, modelType consts.ModelType) (*ModelTokenUsageResp, error)
diff --git a/backend/internal/model/handler/http/v1/model.go b/backend/internal/model/handler/http/v1/model.go
index ee8c284..8a67b06 100644
--- a/backend/internal/model/handler/http/v1/model.go
+++ b/backend/internal/model/handler/http/v1/model.go
@@ -27,13 +27,14 @@ func NewModelHandler(
 	g := w.Group("/api/v1/model")
 	g.Use(auth.Auth(), active.Active("admin"))
 
-	g.POST("/check", web.BindHandler(m.Check))
 	g.GET("", web.BaseHandler(m.List))
-	g.POST("", web.BindHandler(m.Create))
-	g.PUT("", web.BindHandler(m.Update))
 	g.GET("/provider/supported", web.BindHandler(m.GetProviderModelList))
 	g.GET("/token-usage", web.BindHandler(m.GetTokenUsage))
 	g.GET("/my", web.BindHandler(m.MyModelList))
+	g.POST("", web.BindHandler(m.Create))
+	g.POST("/check", web.BindHandler(m.Check))
+	g.PUT("", web.BindHandler(m.Update))
+	g.DELETE("", web.BaseHandler(m.Delete))
 
 	return m
 }
@@ -174,6 +175,24 @@ func (h *ModelHandler) GetProviderModelList(c *web.Context, req domain.GetProvid
 	return c.Success(resp)
 }
 
+// Delete 删除模型
+//
+//	@Tags			Model
+//	@Summary		删除模型
+//	@Description	删除模型
+//	@ID				delete-model
+//	@Accept			json
+//	@Produce		json
+//	@Param			id	query		string	true	"模型ID"
+//	@Success		200	{object}	web.Resp{}
+//	@Router			/api/v1/model [delete]
+func (h *ModelHandler) Delete(c *web.Context) error {
+	if err := h.usecase.Delete(c.Request().Context(), c.QueryParam("id")); err != nil {
+		return err
+	}
+	return c.Success(nil)
+}
+
 func (h *ModelHandler) InitModel() error {
 	return h.usecase.InitModel(context.Background())
 }
diff --git a/backend/internal/model/repo/model.go b/backend/internal/model/repo/model.go
index a90cf8c..51e7414 100644
--- a/backend/internal/model/repo/model.go
+++ b/backend/internal/model/repo/model.go
@@ -243,3 +243,11 @@ func (r *ModelRepo) InitModel(ctx context.Context, modelName, modelKey, modelURL
 		SetIsInternal(true).
 		Exec(ctx)
 }
+
+func (r *ModelRepo) Delete(ctx context.Context, id string) error {
+	uuidID, err := uuid.Parse(id)
+	if err != nil {
+		return err
+	}
+	return r.db.Model.DeleteOneID(uuidID).Exec(ctx)
+}
diff --git a/backend/internal/model/usecase/model.go b/backend/internal/model/usecase/model.go
index 07da554..62a3483 100644
--- a/backend/internal/model/usecase/model.go
+++ b/backend/internal/model/usecase/model.go
@@ -356,3 +356,7 @@ func (m *ModelUsecase) GetProviderModelList(ctx context.Context, req *domain.Get
 		return nil, fmt.Errorf("invalid provider: %s", req.Provider)
 	}
 }
+
+func (m *ModelUsecase) Delete(ctx context.Context, id string) error {
+	return m.repo.Delete(ctx, id)
+}