diff --git a/README.md b/README.md
index c28fe2cc..5febf094 100644
--- a/README.md
+++ b/README.md
@@ -143,6 +143,14 @@ Performance results for cpython 3.9 are applicable to for pkpy.
 
 See https://pocketpy.dev/performance/ for details.
 
+These are the results of the primes benchmark, which *roughly* reflects the performance among lua, cpython and pkpy.
+
+| name | version | time | file |
+| ---- | ---- | ---- | ---- |
+| lua | 5.3.3 | `1.576s ■■■■■■■■■□□□□□□□` | [benchmarks/primes.lua](https://github.com/blueloveTH/pocketpy/blob/3d332a694f99ae2d327e732e7f3e3215bedcb069/benchmarks/primes.lua) |
+| pocketpy | 1.2.7 | `2.385s ■■■■■■■■■■■■■□□□` | [benchmarks/primes.py](https://github.com/blueloveTH/pocketpy/blob/3d332a694f99ae2d327e732e7f3e3215bedcb069/benchmarks/primes.py) |
+| cpython | 3.8.10 | `2.871s ■■■■■■■■■■■■■■■■` | [benchmarks/primes.py](https://github.com/blueloveTH/pocketpy/blob/3d332a694f99ae2d327e732e7f3e3215bedcb069/benchmarks/primes.py) |
+
 ## Used By
 
 |                                                              | Description                                                  |
@@ -165,7 +173,7 @@ All kinds of contributions are welcome.
   - any suggestions
   - any questions
 
-If you find pocketpy useful, consider star this repository (●'◡'●)
+If you find pkpy useful, consider star this repository (●'◡'●)
 
 ## Sponsor me
 
diff --git a/__hidden_xmake.lua b/__hidden_xmake.lua
deleted file mode 100644
index e13fe97b..00000000
--- a/__hidden_xmake.lua
+++ /dev/null
@@ -1,49 +0,0 @@
-set_project("pocketpy")
-
-set_allowedplats("windows", "linux", "macosx", "wasm", "android")
-
-option("dev", {default = true, showmenu = true, description = ""})
-
-includes("dylib")
-
-add_requires("python", {kind = "binary"})
-
-add_rules("mode.debug", "mode.release")
-
-set_languages("c++17")
-
-add_cxflags("/utf-8", {tools = "cl"})
-
-add_includedirs("include")
-
-if is_plat("linux", "macosx") then
-    add_syslinks("dl")
-end
-
-target("pocketpy")
-    if has_config("dev") then
-        set_kind("shared")
-    else
-        set_kind("$(kind)")
-    end
-
-    add_files("src/*.cpp")
-    add_headerfiles("include/(**.h)")
-
-    if is_plat("windows") and is_kind("shared") then
-        add_rules("utils.symbols.export_all")
-    end
-
-    before_build(function (target)
-        local python = assert(import("lib.detect.find_tool")("python3"), "python3 not found!")
-        os.execv(python.program, {"prebuild.py"})
-    end)
-
-target("main")
-    set_kind("binary")
-    add_files("src2/main.cpp")
-    add_deps("pocketpy")
-
-    on_load(function (target)
-        target:set("enabled", has_config("dev"))
-    end)
diff --git a/docs/index.md b/docs/index.md
index 7047f6bb..b8eb5d42 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -43,7 +43,7 @@ These platforms are officially tested.
 
 ## Star the repo
 
-If you find pocketpy useful, consider [star this repository](https://github.com/blueloveth/pocketpy) (●'◡'●)
+If you find pkpy useful, consider [star this repository](https://github.com/blueloveth/pocketpy) (●'◡'●)
 
 ## Sponsor me
 
diff --git a/docs/performance.md b/docs/performance.md
index e9dcf2d6..afea4871 100644
--- a/docs/performance.md
+++ b/docs/performance.md
@@ -126,4 +126,32 @@ Testing directory: benchmarks/
 ALL TESTS PASSED
 ```
 
-See [actions/runs](https://github.com/blueloveTH/pocketpy/actions/runs/6511071423/job/17686074263).
\ No newline at end of file
+See [actions/runs](https://github.com/blueloveTH/pocketpy/actions/runs/6511071423/job/17686074263).
+
+## Primes benchmarks
+
+These are the results of the primes benchmark.
+
+| name | version | time | file |
+| ---- | ---- | ---- | ---- |
+| lua | 5.3.3 | `1.576s ■■■■■■■■■□□□□□□□` | [benchmarks/primes.lua](https://github.com/blueloveTH/pocketpy/blob/3d332a694f99ae2d327e732e7f3e3215bedcb069/benchmarks/primes.lua) |
+| pocketpy | 1.2.7 | `2.385s ■■■■■■■■■■■■■□□□` | [benchmarks/primes.py](https://github.com/blueloveTH/pocketpy/blob/3d332a694f99ae2d327e732e7f3e3215bedcb069/benchmarks/primes.py) |
+| cpython | 3.8.10 | `2.871s ■■■■■■■■■■■■■■■■` | [benchmarks/primes.py](https://github.com/blueloveTH/pocketpy/blob/3d332a694f99ae2d327e732e7f3e3215bedcb069/benchmarks/primes.py) |
+
+```sh
+$ time lua benchmarks/primes.lua 
+
+real    0m1.576s
+user    0m1.514s
+sys     0m0.060s
+$ time ./main benchmarks/primes.py 
+
+real    0m2.385s
+user    0m2.247s
+sys     0m0.100s
+$ time python benchmarks/primes.py 
+
+real    0m2.871s
+user    0m2.798s
+sys     0m0.060s
+```
\ No newline at end of file
diff --git a/docs/unity/bindings.md b/docs/unity/bindings.md
index 24da72f0..c09d96d1 100644
--- a/docs/unity/bindings.md
+++ b/docs/unity/bindings.md
@@ -182,4 +182,4 @@ delegate object NativeFuncC(VM vm, object[] args);
 
 + `CSharpLambda BindFunc(PyObject obj, string name, int argc, NativeFuncC f)`
 
-It is similar to `bind_func` in [C++ API](../quick-start/bind/).
+It is similar to `bind_func` in [C++ API](../bindings/).