服务器密钥解析错误清空之前设备信息（2937）

src/components/safeControl/AddToken.vue

@@ -148,6 +148,9 @@
                     this.cpu = data['server.cpu']
                     this.disk = data['server.disk']
                 } else {
+                    this.mainboard = ''
+                    this.cpu = ''
+                    this.disk = ''
                     this.warning(res.data.msg)
                 }
             }).catch((err) => {