diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index da1d5cc..4934334 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,10 +7,8 @@ on:
     branches: [ "main" ]
 
 jobs:
-  build:
-
+  LinuxTest:
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v4
     - name: Install dependencies
@@ -20,3 +18,11 @@ jobs:
       run: |
         mkdir build && cd build
         cmake .. && make -j 4
+
+    - name: test
+      run: |
+        cd $GITHUB_WORKSPACE/examples/00_checkerboard_iso
+        sed -i "/NPROC=/c\NPROC=1" run_this_example.sh
+        sed -i "/niter: /c\  niter: 2" input_params.yml
+        sh run_this_example.sh
+      
diff --git a/README.md b/README.md
index 84270e2..28c7f00 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 [![Language](https://img.shields.io/badge/-Fortran-734f96?logo=fortran&logoColor=white)](https://github.com/topics/fortran)
 [![License](https://img.shields.io/github/license/xumi1993/seispy)]()
+[![Build SurfATT](https://github.com/xumi1993/SurfATT-iso/actions/workflows/build.yml/badge.svg)](https://github.com/xumi1993/SurfATT-iso/actions/workflows/build.yml)
 
 This is an innovative package for **Surf**ace wave **A**djoint **T**ravel-time **T**omography driven by modern fortran with highlights:
 
@@ -10,6 +11,15 @@ This is an innovative package for **Surf**ace wave **A**djoint **T**ravel-time *
 - **Multi-grid model parametrization** utilization in optimization ([Tong et al., 2019](https://doi.org/10.1093/gji/ggz151))
 - Consideration of **surface topography** ([Hao et al., 2024a](https://doi.org/10.1029/2023JB027454))
 
+## Gallery
+
+### Travel time field and sensitivity kernel on curved surface ([Hao et al., 2024a](https://doi.org/10.1029/2023JB027454))
+![jgrb56585-fig-0001-m](https://github.com/xumi1993/SurfATT-iso/assets/7437523/49e205a3-7529-4079-a8c2-471c6e7075fc)
+-------
+
+### Tomographic results of S-wave velocity beneath Hawaii Island
+![Fig2](https://github.com/xumi1993/SurfATT-iso/assets/7437523/f9a0155b-7b83-4970-914d-f13dc42b11e5)
+
 ## Installation
 
 Please refer to the [installation guide](https://surfatt.xumijian.me/installation/dependence.html) for detailed instructions.
@@ -21,4 +31,4 @@ mpirun -np 4 bin/surfatt_tomo -i input_params.yml
 ```
 
 ### A quick example
-A case named `test/00_checkerboard_iso` presents an example of inversion for 2x3x2 checkers using ambient noise surface wave data from 25 stations. execute run_this_example.sh to run this example under 5 processors.
\ No newline at end of file
+A case named `test/00_checkerboard_iso` presents an example of inversion for 2x3x2 checkers using ambient noise surface wave data from 25 stations. execute `run_this_example.sh` to run this example under 8 processors.