diff --git a/controller/blog.go b/controller/blog.go
index cde8d1e..90e3a73 100644
--- a/controller/blog.go
+++ b/controller/blog.go
@@ -288,6 +288,8 @@ func DeleteArticle(c *gin.Context)  {
 	rsp.Status = 0
 	rsp.Msg = "OK"
 }
+
+
 func ArticlesTypes(c *gin.Context)  {
 	resp := RespBase{"unkown error",-231,nil}
 	defer func() {
diff --git a/controller/hardware.go b/controller/hardware.go
new file mode 100644
index 0000000..a4c38be
--- /dev/null
+++ b/controller/hardware.go
@@ -0,0 +1,27 @@
+package controller
+
+import (
+	"github.com/gin-gonic/gin"
+	"time"
+)
+// this api is based on elasticsearch
+type Hardware struct {
+	ID   int32 `json:"id"`
+	BuyDate time.Time `json:"buy_date"`  //购入时间
+	Name  string `json:"name"`  // 名字
+	Desc string `json:"desc"`  // 描述
+	Pic  string `json:"pic"`  // 图片
+	Doc string `json:"doc"`  //文档资料
+}
+
+func AddHardware(c *gin.Context)  {
+	resp := RespBase{"unkown error",-231,nil}
+	defer func() {
+		c.JSON(200,resp)
+	}()
+
+
+	resp.Data = docTypes
+	resp.Msg = "OK"
+	resp.Status = 0
+}
\ No newline at end of file
diff --git a/db/elasticEngine.go b/db/elasticEngine.go
index 5cf8f40..d0b7d01 100644
--- a/db/elasticEngine.go
+++ b/db/elasticEngine.go
@@ -48,6 +48,7 @@ func (p *ElkEngine)Create(index string,types string,id string,data interface{})
 				return errors.New(CREATED_ERROR)
 			}
 			if err != nil {
+				print(err)
 				return err
 			}
 		}else{
@@ -66,18 +67,50 @@ func (p *ElkEngine)Delete(index string,types string,id string) error{
 			Id(id).
 			Do()
 		if err != nil {
+			print(err)
 			return  err
-	}
+		}
 		if !res.Found{
 			return errors.New(DELETE_ERROR)
-
 		}
 	}else{
 		return errors.New(ERROR_PTR)
 	}
-	return  nil
 }
-func (p *ElkEngine)Search(index string,types string,id string) (interface{},error){
-	
-	return nil,nil
-}
\ No newline at end of file
+/*
+
+*/
+func (p *ElkEngine)Query(index string,types string,query elastic.Query,data interface{}) ([]interface{},error) {
+	if nil != p{
+		res, err := p.cli.
+			Search(index).
+			Type(types).
+			Query(query).
+			Do()
+		if err != nil {
+			print(err)
+			return  nil,err
+		}
+		//var typ Employee
+		typ := reflect.TypeOf(data)
+		return  res.Each(typ),nil
+	}else{
+		return nil,errors.New(ERROR_PTR)
+	}
+}
+
+func (p *ElkEngine)Update(index string,types string,id string,data map[string]interface{}) error {
+	if nil != p {
+		_, err := p.cli.Update().
+			Index(index).
+			Type(types).
+			Id(id).
+			Doc(data).
+			Do()
+		if err != nil {
+			println(err.Error())
+			return err
+		}
+	}
+	return errors.New(ERROR_PTR)
+}