fix the available hints

mindinsight/ui/src/locales/zh-cn.json

@@ -396,7 +396,7 @@
     "allCpu": "CPU-总计：",
     "chipNameTip": "芯片名称",
     "deviceIdTip": "芯片号",
-    "availableTip": "芯片是否空闲",
+    "availableTip": "芯片是否空闲（仅供参考）",
     "healthTip": "芯片健康指数",
     "ipTip": "芯片IP地址",
     "aicoreTip": "芯片利用率",
@@ -422,7 +422,7 @@
     "emergencyWarn": "紧急警告",
     "noChip": "芯片不存在或未启动",
     "availableFree": "芯片空闲",
-    "availableBusy": "芯片已被占用或不可用（仅供参考）",
+    "availableBusy": "芯片已被占用或不可用",
     "failQueryChip": "芯片信息查询有误",
     "faliQuery": "查询有误"
   },