【类 型】：fix 降落指令是8

【原  因】：之前的5是auto
【过  程】：
【影  响】：

src/components/ControllerTabs.vue

@@ -148,7 +148,7 @@
               <div class="m-t-5">返航</div>
             </el-button>
             <el-button size="medium" type="primary" class="flex1 butIcon"
-              @click="publishFun('{setPlaneState:{bit:5,state:1}'); speakText('降落')">
+              @click="publishFun('{setPlaneState:{bit:8,state:1}'); speakText('降落')">
               <i class="iconfont icon-yangshi_icon_tongyong_arriving f-s-24"></i>
               <div class="m-t-5">降落</div>
             </el-button>