diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 478a10f..765be48 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,7 +24,7 @@ concurrency:
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     defaults:
       run:
         shell: bash -l {0}
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 201415f..d26876f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -8,7 +8,7 @@ concurrency:
 
 jobs:
   lint:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python 3.8
diff --git a/README.md b/README.md
index 17badad..b714d23 100644
--- a/README.md
+++ b/README.md
@@ -39,12 +39,12 @@ If you use the covisibility-based matching method for your research, please cite
 }
 ```
 ```bibtex
-@misc{ecsfm,
+@misc{ye2023ecsfm,
   title = {EC-SfM: Efficient Covisibility-based Structure-from-Motion for Both Sequential and Unordered Images},
   author = {Ye, Zhichao and Bao, Chong and Zhou, Xin and Liu, Haomin and Bao, Hujun and Zhang, Guofeng},
-  url = {https://arxiv.org/abs/2302.10544},
-  publisher = {arXiv},
-  year = {2023}
+  journal={IEEE Transactions on Circuits and Systems for Video Technology},
+  year={2023},
+  publisher={IEEE}
 }
 ```
 
diff --git a/README_CN.md b/README_CN.md
index fc621df..4df1c3d 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -37,6 +37,15 @@ XRSfM 是一个开源的运动恢复结构代码仓库，它是[OpenXRLab](https
   year={2020}
 }
 ```
+```bibtex
+@misc{ye2023ecsfm,
+  title = {EC-SfM: Efficient Covisibility-based Structure-from-Motion for Both Sequential and Unordered Images},
+  author = {Ye, Zhichao and Bao, Chong and Zhou, Xin and Liu, Haomin and Bao, Hujun and Zhang, Guofeng},
+  journal={IEEE Transactions on Circuits and Systems for Video Technology},
+  year={2023},
+  publisher={IEEE}
+}
+```
 
 ## Getting Started