<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have searched the <a href="https://github.com/apache/incubator-dubbo/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have checked the <a href="https://github.com/apache/incubator-dubbo/blob/master/FAQ.md">FAQ</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h3 dir="auto">Environment</h3>
<ul dir="auto">
<li>Dubbo version: 2.6.4</li>
<li>Operating System version: Mac OS/X</li>
<li>Java version: 1.8</li>
</ul>
<h3 dir="auto">Steps to reproduce this issue</h3>
<ol dir="auto">
<li>checkout dubbo 2.6.2, see as below in the ServiceConfig.java<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/1165129/47626728-89835480-db67-11e8-9c5d-73c3f3dfe2a1.jpg"><img src="https://user-images.githubusercontent.com/1165129/47626728-89835480-db67-11e8-9c5d-73c3f3dfe2a1.jpg" alt="51540780365_ pic" style="max-width: 100%;"></a></li>
<li>checkout dubbo 2.6.4,<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/1165129/47626757-a586f600-db67-11e8-959a-2a546453dcb7.jpg"><img src="https://user-images.githubusercontent.com/1165129/47626757-a586f600-db67-11e8-959a-2a546453dcb7.jpg" alt="71540780398_ pic" style="max-width: 100%;"></a></li>
<li>which one is correct for aboves?</li>
</ol>
<p dir="auto">Pls. provide [GitHub address] to reproduce this issue.</p>
<h3 dir="auto">Expected Result</h3>
<p dir="auto">I think correct result is looks like version 2.6.2</p>
<h3 dir="auto">Actual Result</h3>
<p dir="auto">If there is an exception, please attach the exception trace:</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="Just put your stack trace here!"><pre class="notranslate"><code class="notranslate">Just put your stack trace here!
</code></pre></div>
<h3 dir="auto">Environment</h3>
<ul dir="auto">
<li>Dubbo version: 2.6.3</li>
<li>Operating System version: win</li>
<li>Java version: 1.8.0_73</li>
</ul>
<h3 dir="auto">Steps to reproduce this issue</h3>
<ol dir="auto">
<li>starting provider</li>
</ol>
<h3 dir="auto">Expected Result</h3>
<p dir="auto">regist 2.6.3 version</p>
<h3 dir="auto">Actual Result</h3>
<p dir="auto">the actual regiser url is:  dubbo://XXXX?<strong>dubbo=2.0.2</strong> ...</p>
<h4 dir="auto">备注</h4>
<p dir="auto">当provider注册service时，注册url中传的dubbo 版本号不正确，在注册中心里看到的版本号也不对，传了错误的2.0.2</p>