diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index cee89fe..c9944a1 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,9 +2,12 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="7cf7b6b3-0082-44ef-bb0f-bfcc57e19eb1" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/.gitignore" beforeDir="false" afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/utils/const.go" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/controller/mail.go" beforeDir="false" afterPath="$PROJECT_DIR$/controller/mail.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/controller/file.go" beforeDir="false" afterPath="$PROJECT_DIR$/controller/file.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/controller/hardware.go" beforeDir="false" afterPath="$PROJECT_DIR$/controller/hardware.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/main.go" beforeDir="false" afterPath="$PROJECT_DIR$/main.go" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/model/hardware.go" beforeDir="false" afterPath="$PROJECT_DIR$/model/hardware.go" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -26,12 +29,20 @@
     <expand />
     <select />
   </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Go File" />
+      </list>
+    </option>
+  </component>
   <component name="GOROOT" path="D:/programs/GOROOT" />
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
   <component name="ProjectId" id="1OeBjD7R4KFQzfWAqpMf9jlmzxr" />
   <component name="PropertiesComponent">
+    <property name="DefaultGoTemplateProperty" value="Go File" />
     <property name="SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="configurable.Global.GOPATH.is.expanded" value="true" />
diff --git a/controller/file.go b/controller/file.go
index cefd869..3fd3c19 100644
--- a/controller/file.go
+++ b/controller/file.go
@@ -99,3 +99,34 @@ func (this *FileController) OnDownLoad(c *gin.Context) {
 		"/image/" +fileName)
 	c.Writer.Write(bytes)
 }
+
+
+func (this *FileController) OnThumbnail(c *gin.Context) {
+	resp := RespBase{Msg:"FAIL",Status: 211}
+
+	fileName := c.Param("file")
+	if "" == fileName{
+		c.JSON(200,resp)
+
+		return
+	}
+	file,e := os.Open("/home/ubuntu/api/bin/image/" +fileName)
+	if nil != e{
+		log.Print(e.Error())
+		c.JSON(200,resp)
+
+		return
+	}
+	bytes,e :=ioutil.ReadAll(file)
+	if nil != e{
+		log.Print(e.Error())
+		c.JSON(200,resp)
+
+		return
+	}
+	c.Header("X-Content-Type-Options", "nosniff")
+	c.Header("Content-Type","image/png")
+	c.Header("Content-Disposition",
+		"/image/" +fileName)
+	c.Writer.Write(bytes)
+}
\ No newline at end of file
diff --git a/controller/hardware.go b/controller/hardware.go
index 8f7be22..89c2f85 100644
--- a/controller/hardware.go
+++ b/controller/hardware.go
@@ -5,8 +5,6 @@ import (
 	"github.com/gin-gonic/gin"
 	"qiniupkg.com/x/log.v7"
 )
-
-
 func AddHardware(c *gin.Context)  {
 	resp := RespBase{"unkown error",-231,nil}
 	defer func() {
@@ -38,18 +36,16 @@ func UpdateHardWare(c *gin.Context)  {
 }
 
 func ReadHardWare(c *gin.Context)  {
-	var req model.Hardware
 	rsp := RespBase{"ERR",-1,nil}
 	defer func() {
 		c.JSON(200,rsp)
 	}()
-	e := c.BindJSON(&req)
-	if nil != e{
-		log.Error(e.Error())
-		return
-	}
+
 	limit,offset := GetPageParaFromQuery(c)
 	hardware,e := model.GetHardwares(limit,offset)
+	if nil != e{
+		return
+	}
 	rsp.Data = hardware
 	rsp.Msg = "OK"
 	rsp.Status = 0
diff --git a/main.go b/main.go
index aa7c7a4..59d29d8 100644
--- a/main.go
+++ b/main.go
@@ -123,13 +123,14 @@ func main() {
 		api.DELETE("/article/:id",controller.DeleteArticle)  ////删除文章
 		api.POST("/image_upload",fileController.OnUpload)   //  上传图片
 		api.GET("/image_download/:file",fileController.OnDownLoad)  // 下载图片
+		api.GET("/image_thumbnail/:file",fileController.OnDownLoad)  // 下载图片
+
 		api.GET("/doc_types",controller.ArticlesTypes)        // 获取所有的文章类型
 
 		api.POST("/hardware",controller.AddHardware)   // 新增硬件
 		api.GET("/hardware",controller.ReadHardWare)   // 读取硬件
-
+		
 	}
-
 	e := r.Run(":" + strconv.Itoa(config.GetPort()))
 	if nil != e {
 		log.Print(e.Error())
diff --git a/model/hardware.go b/model/hardware.go
index 77f035a..bdb4497 100644
--- a/model/hardware.go
+++ b/model/hardware.go
@@ -2,10 +2,14 @@ package model
 
 import (
 	"background/db"
+	"background/utils"
 	"github.com/pkg/errors"
 	"qiniupkg.com/x/log.v7"
 )
 
+const (
+	ERR_COLUMN_EXISTED = "column_existed"
+)
 func HardwareTypeMapping() (string){
 	return `"mappings":{
 		"hardware":{
@@ -13,7 +17,6 @@ func HardwareTypeMapping() (string){
                 "id":{"type":"keyword"},
 				"name":{"type":"text"},
 				"desc":{"type":"text"},
-				"id":{"type":"interger"},
 				"pic":{"type":"doc"},
 				"doc":{"type":"doc"}
             }
@@ -33,9 +36,13 @@ type Hardware struct {
 
 func (this *Hardware )CreateHardware( )  error{
 	if nil == this{
-		return errors.New("null pointer")
+		return errors.New(utils.ERRNULLPOINTER)
 	}
-	e := db.GetElastic().Create("hardware","0","",*this)
+	name,e := GetHardwares(1,1)
+	if len(name) != 0{
+		return errors.New(ERR_COLUMN_EXISTED)
+	}
+	e = db.GetElastic().Create("hardware","0","",*this)
 	if nil != e{
 		log.Print(e.Error())
 		return e
diff --git a/utils/const.go b/utils/const.go
new file mode 100644
index 0000000..3350274
--- /dev/null
+++ b/utils/const.go
@@ -0,0 +1,5 @@
+package utils
+
+const (
+	ERRNULLPOINTER = "nullpointer"
+)
\ No newline at end of file