diff --git a/chapter_auto_program_optimization/index.md b/chapter_auto_program_optimization/index.md
index a2f2135..e3c153a 100644
--- a/chapter_auto_program_optimization/index.md
+++ b/chapter_auto_program_optimization/index.md
@@ -300,7 +300,6 @@ database = ms.tune_tir(
     num_trials_per_iter=64,
     space=ms.space_generator.ScheduleFn(stochastic_schedule_mm),
     work_dir="./tune_tmp",
-    task_name="main"
 )
 
 sch = ms.tir_integration.compile_tir(database, MyModule, "llvm --num-cores=1")
@@ -335,7 +334,6 @@ database = ms.tune_tir(
     max_trials_global=64,
     num_trials_per_iter=64,
     work_dir="./tune_tmp",
-    task_name="main",
 )
 sch = ms.tir_integration.compile_tir(database, MyModule, "llvm --num-cores=1")
 ```
@@ -525,7 +523,6 @@ database = ms.tune_tir(
     max_trials_global=64,
     num_trials_per_iter=64,
     work_dir="./tune_tmp",
-    task_name="main",
 )
 sch = ms.tir_integration.compile_tir(database, mod_linear, "llvm --num-cores=1")
 ```
diff --git a/chapter_gpu_acceleration/part1.md b/chapter_gpu_acceleration/part1.md
index 5e8c9f3..45acaee 100644
--- a/chapter_gpu_acceleration/part1.md
+++ b/chapter_gpu_acceleration/part1.md
@@ -318,7 +318,6 @@ database = ms.tune_tir(
     max_trials_global=64,
     num_trials_per_iter=64,
     work_dir="./tune_tmp",
-    task_name="main"
 )
 sch = ms.tir_integration.compile_tir(database, MyModuleMatmul, "nvidia/tesla-p100")
 sch.mod.show()
diff --git a/config.ini b/config.ini
index 1409c13..80c6f0f 100644
--- a/config.ini
+++ b/config.ini
@@ -95,7 +95,7 @@ header_links = Course, https://mlc.ai/summer22, fas fa-user-graduate,
                中文版, https://mlc.ai/zh, fas fa-external-link-alt
 
 # The filename of the favicon
-favicon = static/mlc-favicon.png
+favicon = static/mlc-favicon.ico
 
 # The filename of the html logo
 html_logo =  static/mlc-logo-with-text-landscape.svg
diff --git a/static/mlc-favicon.ico b/static/mlc-favicon.ico
new file mode 100644
index 0000000..a9a640f
Binary files /dev/null and b/static/mlc-favicon.ico differ
diff --git a/static/mlc-favicon.png b/static/mlc-favicon.png
deleted file mode 100644
index e6df1ad..0000000
Binary files a/static/mlc-favicon.png and /dev/null differ