diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
new file mode 100644
index 0000000..424bf33
--- /dev/null
+++ b/.github/workflows/test.yaml
@@ -0,0 +1,29 @@
+name: Test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run TypeScript Check
+        run: npm run check
+
+      - name: Run Prettier code style check
+        run: npm run format:check
diff --git a/package.json b/package.json
index fe4df68..d7380a0 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,8 @@
 		"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
 		"check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
 		"tauri": "tauri",
-		"format": "prettier --write ."
+		"format": "prettier --write .",
+		"format:check": "prettier --check ."
 	},
 	"license": "MIT",
 	"dependencies": {
diff --git a/src/lib/components/ChartContainer.svelte b/src/lib/components/ChartContainer.svelte
index 47b50aa..317b0fe 100644
--- a/src/lib/components/ChartContainer.svelte
+++ b/src/lib/components/ChartContainer.svelte
@@ -1,10 +1,9 @@
 <script lang="ts">
-	import type { CHResponse } from '$lib/ch-engine';
 	import { applyType, formatValue, isSupportedType, LineChart } from '$lib/components/charts/Line';
+	import type { OLAPResponse } from '$lib/olap-engine';
 	import { BarChart } from './charts/Bar';
-
 	interface Props {
-		response: CHResponse;
+		response: OLAPResponse;
 		x_axis: string;
 		y_axis: string;
 		type: string;
diff --git a/src/lib/components/Editor/Editor.svelte b/src/lib/components/Editor/Editor.svelte
index 1dcdda5..d7f7134 100644
--- a/src/lib/components/Editor/Editor.svelte
+++ b/src/lib/components/Editor/Editor.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-	import type { Table } from '$lib/ch-engine';
+	import type { Table } from '$lib/olap-engine';
 	import { sql } from '@codemirror/lang-sql';
 	import { Compartment, EditorState } from '@codemirror/state';
 	import { EditorView, keymap, placeholder } from '@codemirror/view';
diff --git a/src/lib/components/Editor/utils.ts b/src/lib/components/Editor/utils.ts
index 0ded761..695590a 100644
--- a/src/lib/components/Editor/utils.ts
+++ b/src/lib/components/Editor/utils.ts
@@ -1,4 +1,4 @@
-import type { ColumnDescriptor, Table } from '$lib/ch-engine';
+import type { ColumnDescriptor, Table } from '$lib/olap-engine';
 import type { Completion } from '@codemirror/autocomplete';
 
 export type Schema = { [table_name: string]: ColumnDescriptor[] };
diff --git a/src/lib/components/Result.svelte b/src/lib/components/Result.svelte
index 810ae1a..5c35c51 100644
--- a/src/lib/components/Result.svelte
+++ b/src/lib/components/Result.svelte
@@ -1,11 +1,11 @@
 <script lang="ts">
-	import type { CHResponse } from '$lib/ch-engine';
 	import { Table } from '$lib/components/Table';
+	import type { OLAPResponse } from '$lib/olap-engine';
 	import { untrack } from 'svelte';
 	import ChartContainer from './ChartContainer.svelte';
 
 	interface Props {
-		response?: CHResponse;
+		response?: OLAPResponse;
 	}
 
 	let { response }: Props = $props();
diff --git a/src/lib/components/Table/Table.svelte b/src/lib/components/Table/Table.svelte
index 6d5915f..19b4a4c 100644
--- a/src/lib/components/Table/Table.svelte
+++ b/src/lib/components/Table/Table.svelte
@@ -1,9 +1,9 @@
 <script lang="ts">
-	import type { CHResponse } from '$lib/ch-engine';
+	import type { OLAPResponse } from '$lib/olap-engine';
 	import { Types } from './utils';
 
 	interface Props {
-		response: CHResponse;
+		response: OLAPResponse;
 	}
 
 	let { response }: Props = $props();