修复 docker pull 展示问题

Author: 1473371932

README.md

@@ -8,7 +8,7 @@
     <a href="https://zenodo.org/badge/latestdoi/448599559"><img src="https://zenodo.org/badge/448599559.svg" alt="DOI"></a>
     <img alt="GitHub Release" src="https://img.shields.io/github/v/release/deepflowio/deepflow"> </a>
     <img alt="GitCode" src="https://gitcode.com/DeepFlow/deepflow/star/badge.svg"> </a>
-    <img alt="docker pulls" src="https://img.shields.io/docker/pulls/deepflowce/deepflow-agent?color=green?label=docker pulls"> </a>
+    <img alt="docker pulls" src="https://img.shields.io/docker/pulls/deepflowce/deepflow-agent?color=green&label=docker%20pulls"> </a>
     <img alt="License" src="https://img.shields.io/github/license/deepflowio/deepflow?color=purple"> </a>
 </p>