diff --git a/src/models/resource.go b/src/models/resource.go
index 5f9f2b9f..9103522a 100644
--- a/src/models/resource.go
+++ b/src/models/resource.go
@@ -292,6 +292,17 @@ func ResourceRegister(hosts []Host, tenant string) error {
 			return err
 		}
 
+		// ident agent修改ident带来重复问题
+		if res == nil {
+			ident := hosts[i].Ident
+			if ident != "" {
+				res, err = ResourceGet("ident=?", ident)
+				if err != nil {
+					return err
+				}
+			}
+		}
+
 		if res == nil {
 			res = &Resource{
 				UUID:   uuid,
@@ -326,6 +337,7 @@ func ResourceRegister(hosts []Host, tenant string) error {
 					return err
 				}
 			}
+			res.UUID = uuid
 			res.Ident = hosts[i].Ident
 			res.Name = hosts[i].Name
 			res.Cate = hosts[i].Cate
@@ -343,7 +355,7 @@ func ResourceRegister(hosts []Host, tenant string) error {
 			}
 
 			res.Extend = string(js)
-			err = res.Update("ident", "name", "cate", "extend", "tenant")
+			err = res.Update("uuid", "ident", "name", "cate", "extend", "tenant")
 			if err != nil {
 				return err
 			}
diff --git a/src/modules/ams/http/router.go b/src/modules/ams/http/router.go
index 5932a0e3..d176e6ba 100644
--- a/src/modules/ams/http/router.go
+++ b/src/modules/ams/http/router.go
@@ -14,6 +14,7 @@ func Config(r *gin.Engine) {
 		userLogin.POST("/hosts", hostPost)
 		userLogin.GET("/host/:id", hostGet)
 		userLogin.PUT("/hosts/tenant", hostTenantPut)
+		userLogin.PUT("/hosts/node", hostNodePut)
 		userLogin.PUT("/hosts/back", hostBackPut)
 		userLogin.PUT("/hosts/note", hostNotePut)
 		userLogin.PUT("/hosts/cate", hostCatePut)
diff --git a/src/modules/ams/http/router_host.go b/src/modules/ams/http/router_host.go
index 7bdb5c3a..12cd25d4 100644
--- a/src/modules/ams/http/router_host.go
+++ b/src/modules/ams/http/router_host.go
@@ -146,6 +146,78 @@ func hostTenantPut(c *gin.Context) {
 	renderMessage(c, err)
 }
 
+type hostNodeForm struct {
+	Ids    []int64 `json:"ids"`
+	NodeId int64   `json:"nodeid"`
+}
+
+func (f *hostNodeForm) Validate() {
+	if len(f.Ids) == 0 {
+		bomb("ids is empty")
+	}
+
+	if f.NodeId == 0 {
+		bomb("nodeid is blank")
+	}
+
+	if f.NodeId < 0 {
+		bomb("nodeid is illegal")
+	}
+}
+
+// 管理员修改主机设备的节点，相当于挂载设备到节点
+func hostNodePut(c *gin.Context) {
+	var f hostNodeForm
+	bind(c, &f)
+	f.Validate()
+
+	loginUser(c).CheckPermGlobal("ams_host_modify")
+	node, err := models.NodeGet("id=?", f.NodeId)
+	dangerous(err)
+	if node == nil {
+		bomb("node is nil")
+	}
+
+	if node.Leaf != 1 {
+		bomb("node is not leaf")
+	}
+
+	hosts, err := models.HostByIds(f.Ids)
+	dangerous(err)
+	if len(hosts) == 0 {
+		bomb("hosts is empty")
+	}
+
+	for _, h := range hosts {
+		if h.Tenant != "" {
+			bomb("function only for agent first bind, some agent tenant not null, please clear tenant manual")
+		}
+	}
+
+	// 绑定租户
+	tenant := node.Tenant()
+	err = models.HostUpdateTenant(f.Ids, tenant)
+	dangerous(err)
+	dangerous(models.ResourceRegister(hosts, tenant))
+
+	// 绑定到节点
+	var resUuids []string
+	for _, id := range f.Ids {
+		idStr := fmt.Sprintf("host-%d", id)
+		resUuids = append(resUuids, idStr)
+	}
+	if len(resUuids) == 0 {
+		bomb("res is empty")
+	}
+	resIds, err := models.ResourceIdsByUUIDs(resUuids)
+	dangerous(err)
+	if len(resIds) == 0 {
+		bomb("res ids is empty")
+	}
+
+	renderMessage(c, node.Bind(resIds))
+}
+
 type hostNoteForm struct {
 	Ids  []int64 `json:"ids"`
 	Note string  `json:"note"`