diff --git a/go.mod b/go.mod
index 864c3a18..8af28bc2 100644
--- a/go.mod
+++ b/go.mod
@@ -19,7 +19,8 @@ require (
 	github.com/hajimehoshi/oto v0.7.1 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8 // indirect
-	golang.org/x/image v0.0.0-20190227222117-0694c2d4d067 // indirect
+	golang.org/x/image v0.45.0 // indirect
 	golang.org/x/mobile v0.0.0-20190415191353-3e0bab5405d6 // indirect
-	golang.org/x/sys v0.36.0 // indirect
+	golang.org/x/sys v0.47.0 // indirect
+	golang.org/x/text v0.41.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 39d08d1e..7a00420e 100644
--- a/go.sum
+++ b/go.sum
@@ -43,6 +43,8 @@ golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL
 golang.org/x/image v0.0.0-20190220214146-31aff87c08e9/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067 h1:KYGJGHOQy8oSi1fDlSpcZF0+juKwk/hEMv5SiwHogR0=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
+golang.org/x/image v0.45.0 h1:FMb1nTbH5H9vF55SriQHgFw5GnNL9Jg6L25BwXKzhB0=
+golang.org/x/image v0.45.0/go.mod h1:n62x/7RqlwXDvGsSU4u6IUTUf6KghUZ9Bt7cG/T9Fx4=
 golang.org/x/mobile v0.0.0-20190415191353-3e0bab5405d6 h1:vyLBGJPIl9ZYbcQFM2USFmJBK6KI+t+z6jL0lbwjrnc=
 golang.org/x/mobile v0.0.0-20190415191353-3e0bab5405d6/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -51,7 +53,11 @@ golang.org/x/sys v0.0.0-20190429190828-d89cdac9e872/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
 golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.47.0 h1:o7XGOvZQCADBQQ4Y7VNq2dRWQR7JmOUW8Kxx4ZsNgWs=
+golang.org/x/sys v0.47.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.41.0 h1:vz/seA0lnX87Othu2f/0L24RcgrXD9/YFTSuGjj3rH8=
+golang.org/x/text v0.41.0/go.mod h1:jvf1O8ajNzZqhSrQBPbutR/EB83Cc0CFrezNQIwbb5M=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
diff --git a/internal/cjkfont/cjkfont.go b/internal/cjkfont/cjkfont.go
new file mode 100644
index 00000000..9817d152
--- /dev/null
+++ b/internal/cjkfont/cjkfont.go
@@ -0,0 +1,76 @@
+// Package cjkfont 中文字体渲染：加载系统 CJK 字体（微软雅黑）光栅化文本（UI还原.md §4 中文回退）。
+//
+// 素材包位图字体只含 ASCII；中文（如「年糕历险记」）用系统字体渲染，
+// 保持像素风（最近邻采样、整数缩放），字形不追求与原版一致。
+package cjkfont
+
+import (
+	"image"
+	"image/color"
+	"os"
+
+	"golang.org/x/image/font"
+	"golang.org/x/image/font/opentype"
+	"golang.org/x/image/math/fixed"
+)
+
+// Renderer CJK 文本渲染器。
+type Renderer struct {
+	face font.Face
+}
+
+// Load 加载字体文件（如 C:\Windows\Fonts\msyh.ttc）。
+func Load(path string, sizePx float64) (*Renderer, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+	// 兼容 .ttc 字体集合（如 msyh.ttc）与单字体 .ttf/.otf
+	var f *opentype.Font
+	if col, err := opentype.ParseCollection(data); err == nil && col != nil && col.NumFonts() > 0 {
+		f, err = col.Font(0)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		f, err = opentype.Parse(data)
+		if err != nil {
+			return nil, err
+		}
+	}
+	face, err := opentype.NewFace(f, &opentype.FaceOptions{
+		Size:    sizePx,
+		DPI:     72,
+		Hinting: font.HintingNone,
+	})
+	if err != nil {
+		return nil, err
+	}
+	return &Renderer{face: face}, nil
+}
+
+// Width 文本像素宽度。
+func (r *Renderer) Width(s string) int {
+	d := &font.Drawer{Face: r.face}
+	return d.MeasureString(s).Ceil()
+}
+
+// Draw 渲染文本为 RGBA 图像（含 1px 阴影，UI还原.md §4）。
+func (r *Renderer) Draw(s string, c color.RGBA) image.Image {
+	w := r.Width(s) + 1
+	h := int(r.face.Metrics().Height.Ceil()) + 1
+	img := image.NewRGBA(image.Rect(0, 0, w, h))
+	d := &font.Drawer{
+		Dst:  img,
+		Src:  image.NewUniform(c),
+		Face: r.face,
+	}
+	// 阴影
+	sh := &font.Drawer{Dst: img, Src: image.NewUniform(color.RGBA{10, 10, 10, 220}), Face: r.face}
+	sh.Dot = fixed.P(1, int(r.face.Metrics().Ascent.Ceil())+1)
+	sh.DrawString(s)
+	// 正文
+	d.Dot = fixed.P(0, int(r.face.Metrics().Ascent.Ceil()))
+	d.DrawString(s)
+	return img
+}
diff --git a/internal/cjkfont/cjkfont_test.go b/internal/cjkfont/cjkfont_test.go
new file mode 100644
index 00000000..15b5ff57
--- /dev/null
+++ b/internal/cjkfont/cjkfont_test.go
@@ -0,0 +1,52 @@
+package cjkfont
+
+import (
+	"image/color"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+// msyhCandidates 微软雅黑常见路径。
+var msyhCandidates = []string{
+	filepath.Join(os.Getenv("WINDIR"), "Fonts", "msyh.ttc"),
+	filepath.Join(os.Getenv("WINDIR"), "Fonts", "msyh.ttf"),
+	"/usr/share/fonts/truetype/wqy/wqy-microhei.ttc",
+}
+
+// TestLoadDraw 加载系统 CJK 字体并渲染中文（无字体时跳过）。
+func TestLoadDraw(t *testing.T) {
+	path := ""
+	for _, p := range msyhCandidates {
+		if _, err := os.Stat(p); err == nil {
+			path = p
+			break
+		}
+	}
+	if path == "" {
+		t.Skip("本机无 CJK 字体，跳过")
+	}
+	r, err := Load(path, 16)
+	if err != nil {
+		t.Fatalf("加载字体失败: %v", err)
+	}
+	img := r.Draw("年糕历险记", color.RGBA{255, 255, 255, 255})
+	b := img.Bounds()
+	if b.Dx() < 16 || b.Dy() < 8 {
+		t.Fatalf("渲染尺寸异常: %dx%d", b.Dx(), b.Dy())
+	}
+	opaque := 0
+	for y := b.Min.Y; y < b.Max.Y; y++ {
+		for x := b.Min.X; x < b.Max.X; x++ {
+			if _, _, _, a := img.At(x, y).RGBA(); a > 0 {
+				opaque++
+			}
+		}
+	}
+	if opaque == 0 {
+		t.Fatal("渲染结果全透明")
+	}
+	if w := r.Width("年糕历险记"); w < 16 {
+		t.Fatalf("宽度异常: %d", w)
+	}
+}
diff --git a/tools/zig.zip b/tools/zig.zip
index c60ff3e4..0a8cc3f4 100644
Binary files a/tools/zig.zip and b/tools/zig.zip differ