更改提示文字

src/views/baseInfoManage/sensorsConfig/index.vue

              <el-autocomplete
                 v-model="ruleForm2.device"
                :fetch-suggestions="querySearchAsync"
                placeholder="请选择采集盒编号"
                placeholder="请选择所属采集盒编号"
                @select="handleSelect">
              </el-autocomplete>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="传感器所属主缆" prop="cableType">
              <el-select v-model="ruleForm2.cableType" placeholder="请选择主缆">
              <el-select v-model="ruleForm2.cableType" placeholder="请选择传感器所属主缆">
                <el-option
                  v-for="item in options"
                  :key="item.value"