diff --git a/index.html b/index.html
index 61c5fa5..5ef8ae1 100644
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@@ -469,7 +469,7 @@ <h2 id="confpapers">Selected Papers (<a href="https://scholar.google.com/citatio
                 AAAI, demo paper, 2022 <br>
                 <a href="https://mp.weixin.qq.com/s/2lLInVAMZ7s_8pc1A5Czjg">[中文解读]</a>
                 <a href="https://github.com/LYH-YF/MWPToolkit">[GitHub Page]</a>
-                <a href="./resources/bibtex/aaai2022_demo.txt">[BibTex]</a>
+                <a href="./resources/bibtex/aaai2022_demo.txt">[BibTex]</a> <br>
                 <br>
                 </li>
             </ul>
@@ -481,7 +481,7 @@ <h2 id="confpapers">Selected Papers (<a href="https://scholar.google.com/citatio
                 TKDE, 2022 <br>
                 <a href="https://mp.weixin.qq.com/s/ZYGsB4AhgLyU0kuKWn9OlQ">[中文解读]</a>
                 <a href="https://github.com/RUCAIBox/Awesome-KBQA">[GitHub Page]</a>
-                <a href="./resources/bibtex/tkde2022_survey.txt">[BibTex]</a>
+                <a href="./resources/bibtex/tkde2022_survey.txt">[BibTex]</a> <br>
                 <br>
                 </li>
             </ul>
@@ -491,7 +491,7 @@ <h2 id="confpapers">Selected Papers (<a href="https://scholar.google.com/citatio
                 <a href="https://arxiv.org/pdf/2108.06688">Modeling Transitions of Focal Entities for Conversational knowledge Base Question Answering</a><br>
                 Yunshi Lan, Jing Jiang<br>
                 ACL, 2021 <br>
-                <a href="./resources/bibtex/acl2021_ckbqa.txt">[BibTex]</a>
+                <a href="./resources/bibtex/acl2021_ckbqa.txt">[BibTex]</a> <br>
                 <br>
                 </li>
             </ul>
@@ -502,7 +502,7 @@ <h2 id="confpapers">Selected Papers (<a href="https://scholar.google.com/citatio
                 Gaole He, Yunshi Lan, Jing Jiang, Xin Zhao, Ji-Rong Wen<br>
                 WSDM, 2021 <br>
                 <a href="https://github.com/RichardHGL/WSDM2021_NSM">[GitHub Page]</a>
-                <a href="./resources/bibtex/wsdm2021_ckbqa.txt">[BibTex]</a>
+                <a href="./resources/bibtex/wsdm2021_ckbqa.txt">[BibTex]</a> <br>
                 <br>
                 </li>
             </ul>
@@ -513,7 +513,7 @@ <h2 id="confpapers">Selected Papers (<a href="https://scholar.google.com/citatio
                 Yunshi Lan, Jing Jiang<br>
                 ACL, 2020 <br>
                 <a href="https://github.com/lanyunshi/Multi-hopComplexKBQA">[GitHub Page]</a>
-                <a href="./resources/bibtex/acl2020_ckbqa.txt">[BibTex]</a>
+                <a href="./resources/bibtex/acl2020_ckbqa.txt">[BibTex]</a> <br>
                 <br>
                 </li>
             </ul>