diff --git a/Casks/a/affine.rb b/Casks/a/affine.rb
new file mode 100644
index 0000000000..e9059df1ea
--- /dev/null
+++ b/Casks/a/affine.rb
@@ -0,0 +1,30 @@
+cask "affine" do
+  arch arm: "arm64", intel: "x64"
+
+  version "0.8.4"
+  sha256 arm:   "61229f921052ecb31c8fff3db8bae9fadc0f246aa937702afa723e0a9710cf1b",
+         intel: "c310add92764b42a029d5139807583308291a5d833adc39bf75913e90331b717"
+
+  url "https://github.com/toeverything/AFFiNE/releases/download/v#{version}/affine-stable-macos-#{arch}.zip",
+      verified: "github.com/toeverything/AFFiNE/"
+  name "AFFiNE"
+  desc "Note editor and whiteboard"
+  homepage "https://affine.pro/"
+
+  livecheck do
+    url :url
+    strategy :github_latest
+  end
+
+  auto_updates true
+  depends_on macos: ">= :high_sierra"
+
+  app "AFFiNE.app"
+
+  zap trash: [
+    "~/Library/Application Support/AFFiNE",
+    "~/Library/Logs/AFFiNE",
+    "~/Library/Preferences/pro.affine.app.plist",
+    "~/Library/Saved Application State/pro.affine.app.savedState",
+  ]
+end