<p><!--[if !supportLists]--><b><span lang="EN-US">1.</span></b><!--[endif]--><b><span>无用的账户占用手机号码，如何处理<span lang="EN-US"><o:p></o:p></span></span></b></p>
<p><span>可注销用户，就不会占用号码了<span lang="EN-US"><o:p></o:p></span></span></p>
<p><b><span>2.注册</span></b><a name="_Toc488070269"><b><span>用户名规则</span></b></a><b><span lang="EN-US"><o:p></o:p></span></b></p>
<p><span lang="EN-US">A</span><span>、网页版（<span lang="EN-US">PC</span>）用户名规则：<span lang="EN-US"><o:p></o:p></span></span></p>
<p><span>自定义规则为：<span lang="EN-US">4-20</span>个字符，需由字母、数字、下划线，任意两种组合而成；<span lang="EN-US"><o:p></o:p></span></span></p>
<p><span>自动生成规则为：<span lang="EN-US">YT+yyyyMMddhh</span>（时间）<span lang="EN-US">+</span>四个随机数（<span lang="EN-US">0-9</span>）<span lang="EN-US">+</span>三个随机数（<span lang="EN-US">a-z</span>）；<span lang="EN-US"><o:p></o:p></span></span></p>
<p><span lang="EN-US">B</span><span>、<span lang="EN-US">APP</span>与微信不可自定义用户名，自动生成规则与<span lang="EN-US">PC</span>相同。<span lang="EN-US"><o:p></o:p></span></span></p>
<p><span lang="EN-US">*</span><span>用户名如带敏感字，系统自动过滤不可注册<span lang="EN-US"><o:p></o:p></span></span></p>
<p><span lang="EN-US">*</span><span>用户名不允许除下划线外的特殊字符<span lang="EN-US"><o:p></o:p></span></span></p>
<p><span lang="EN-US">*</span></p>注册的用户名必须是唯一的，且一旦注册成功不可更改用户名。
<p><b><span>3.可用手机号码段</span></b><b><span lang="EN-US"><o:p></o:p></span></b></p>
<span>移动号段：</span>
<span lang="EN-US">134</span><span>、<span lang="EN-US">135</span>、<span lang="EN-US">136</span>、<span lang="EN-US">137</span>、<span lang="EN-US">138</span>、<span lang="EN-US">139</span>、<span lang="EN-US">147</span>、<span lang="EN-US">150</span>、<span lang="EN-US">151</span>、<span lang="EN-US">152</span>、<span lang="EN-US">157</span>、<span lang="EN-US">158</span>、<span lang="EN-US">159</span>、<span lang="EN-US">172</span>、<span lang="EN-US">178</span>、<span lang="EN-US">182</span>、<span lang="EN-US">183</span>、<span lang="EN-US">184</span>、<span lang="EN-US">187</span>、<span lang="EN-US">188</span></span><br>
<span>联通号段：</span>
<span lang="EN-US">130</span><span>、<span lang="EN-US">131</span>、<span lang="EN-US">132</span>、<span lang="EN-US">145</span>、<span lang="EN-US">155</span>、<span lang="EN-US">156</span>、<span lang="EN-US">171</span>、<span lang="EN-US">175</span>、<span lang="EN-US">176</span>、<span lang="EN-US">185</span>、<span lang="EN-US">186</span></span><br>
<span>电信号段：</span><br>
<span lang="EN-US">133</span><span>、<span lang="EN-US">149</span>、<span lang="EN-US">153</span>、<span lang="EN-US">173</span>、<span lang="EN-US">177</span>、<span lang="EN-US">180</span>、<span lang="EN-US">181</span>、<span lang="EN-US">189</span></span><br>
<span>虚拟运营商：</span><br>
<span>170</span>
