diff --git a/packages/vite-plugin-warpdrive/src/index.ts b/packages/vite-plugin-warpdrive/src/index.ts
index 12c6388ae..13b6093b2 100644
--- a/packages/vite-plugin-warpdrive/src/index.ts
+++ b/packages/vite-plugin-warpdrive/src/index.ts
@@ -138,7 +138,7 @@ export function WarpDrivePlugin(options: WarpDrivePluginOptions): Plugin {
         return
       }
       if (!options.provider) {
-        resolvedConfig.logger?.warn?.(`[${pluginName}] no upload provider configured, skipping upload step`)
+        resolvedConfig.logger.warn(`[${pluginName}] no upload provider configured, skipping upload step`)
         return
       }
 
@@ -186,13 +186,13 @@ export function WarpDrivePlugin(options: WarpDrivePluginOptions): Plugin {
         return
       }
       if (!options.provider) {
-        resolvedConfig.logger?.warn?.(`[${pluginName}] no upload provider configured, skipping upload step`)
+        resolvedConfig.logger.warn(`[${pluginName}] no upload provider configured, skipping upload step`)
         return
       }
       if (!pendingUploads.length)
         return
       if (isDryRun) {
-        resolvedConfig.logger.info?.(
+        resolvedConfig.logger.info(
           `[${pluginName}] dry run enabled; skipping clean/upload for ${pendingUploads.length} assets`,
         )
         return
@@ -200,16 +200,16 @@ export function WarpDrivePlugin(options: WarpDrivePluginOptions): Plugin {
 
       if (shouldCleanRemote && !cleanedRemote) {
         if (!prefix) {
-          resolvedConfig.logger?.warn?.(`[${pluginName}] skipping clean step because no prefix provided`)
+          resolvedConfig.logger.warn(`[${pluginName}] skipping clean step because no prefix provided`)
         }
         else if (typeof options.provider.cleanPrefix === 'function') {
-          resolvedConfig.logger.info?.(`[${pluginName}] cleaning remote prefix: ${prefix}`)
+          resolvedConfig.logger.info(`[${pluginName}] cleaning remote prefix: ${prefix}`)
           await options.provider.cleanPrefix(prefix)
-          resolvedConfig.logger.info?.(`[${pluginName}] cleaned remote prefix: ${prefix}`)
+          resolvedConfig.logger.info(`[${pluginName}] cleaned remote prefix: ${prefix}`)
           cleanedRemote = true
         }
         else {
-          resolvedConfig.logger?.warn?.(
+          resolvedConfig.logger.warn(
             `[${pluginName}] clean is enabled but provider does not support prefix cleaning; skipping`,
           )
         }
@@ -224,7 +224,7 @@ export function WarpDrivePlugin(options: WarpDrivePluginOptions): Plugin {
             try {
               const skip = await options.provider.shouldSkipUpload(localPath, key)
               if (skip) {
-                resolvedConfig.logger.info?.(
+                resolvedConfig.logger.info(
                   `[${pluginName}] skipped upload (not modified): ${fileName} -> ${key}`,
                 )
                 if (shouldDeleteLocalAsset) {
@@ -233,14 +233,14 @@ export function WarpDrivePlugin(options: WarpDrivePluginOptions): Plugin {
                     resolvedConfig.logger.info(`[${pluginName}] deleted local asset: ${fileName}`)
                   }
                   catch (error) {
-                    resolvedConfig.logger.warn?.(`[${pluginName}] failed to delete local asset ${fileName}: ${error}`)
+                    resolvedConfig.logger.warn(`[${pluginName}] failed to delete local asset ${fileName}: ${error}`)
                   }
                 }
                 return
               }
             }
             catch (error) {
-              resolvedConfig.logger.warn?.(
+              resolvedConfig.logger.warn(
                 `[${pluginName}] could not determine if upload should be skipped for ${fileName}: ${error}`,
               )
             }
@@ -259,7 +259,7 @@ export function WarpDrivePlugin(options: WarpDrivePluginOptions): Plugin {
               resolvedConfig.logger.info(`[${pluginName}] deleted local asset: ${fileName}`)
             }
             catch (error) {
-              resolvedConfig.logger.warn?.(`[${pluginName}] failed to delete local asset ${fileName}: ${error}`)
+              resolvedConfig.logger.warn(`[${pluginName}] failed to delete local asset ${fileName}: ${error}`)
             }
           }
         })())
@@ -278,5 +278,6 @@ function normalizePrefix(prefix: string) {
 function getAssetSize(asset: OutputAsset) {
   if (typeof asset.source === 'string')
     return Buffer.byteLength(asset.source)
+
   return asset.source?.byteLength ?? 0
 }
diff --git a/packages/vite-plugin-warpdrive/src/providers/s3.test.ts b/packages/vite-plugin-warpdrive/src/providers/s3.test.ts
new file mode 100644
index 000000000..8ea143ee8
--- /dev/null
+++ b/packages/vite-plugin-warpdrive/src/providers/s3.test.ts
@@ -0,0 +1,28 @@
+import { join } from 'node:path'
+import { cwd, env } from 'node:process'
+
+import { describe, expect, it } from 'vitest'
+
+import { createS3Provider } from './s3'
+
+describe('s3', (test) => {
+  if (!env.S3_ENDPOINT || !env.S3_REGION || !env.S3_ACCESS_KEY_ID || !env.S3_SECRET_ACCESS_KEY) {
+    test.skip('S3_ENDPOINT, S3_REGION, S3_ACCESS_KEY_ID and S3_SECRET_ACCESS_KEY must be set in environment to run this test', () => {})
+    return
+  }
+
+  // eslint-disable-next-line test/prefer-lowercase-title
+  describe('S3Provider', () => {
+    it('should skip upload', async () => {
+      const s3 = createS3Provider({
+        endpoint: env.S3_ENDPOINT,
+        accessKeyId: env.S3_ACCESS_KEY_ID,
+        secretAccessKey: env.S3_SECRET_ACCESS_KEY,
+        region: env.S3_REGION,
+        publicBaseUrl: env.WARP_DRIVE_PUBLIC_BASE ?? env.S3_ENDPOINT,
+      })
+
+      expect(await s3.shouldSkipUpload(join(cwd(), 'packages', 'stage-ui', 'src', 'assets', 'live2d', 'models', 'hiyori_free_zh.zip'), '/proj-airi/stage-web/assets/hiyori_free_zh-D9UJNK98.zip')).toBe(true)
+    })
+  })
+})
diff --git a/packages/vite-plugin-warpdrive/src/providers/s3.ts b/packages/vite-plugin-warpdrive/src/providers/s3.ts
index 5ea173f79..23056d81e 100644
--- a/packages/vite-plugin-warpdrive/src/providers/s3.ts
+++ b/packages/vite-plugin-warpdrive/src/providers/s3.ts
@@ -1,11 +1,12 @@
-import { createHash } from 'node:crypto'
-import { readFile } from 'node:fs/promises'
-import { join } from 'node:path'
-
-import { S3mini } from 's3mini'
+import type { Buffer } from 'node:buffer'
 
 import type { UploadProvider } from './types'
 
+import { createHash } from 'node:crypto'
+import { readFile } from 'node:fs/promises'
+
+import { S3mini } from 's3mini'
+
 export interface S3ProviderOptions {
   endpoint: string
   accessKeyId: string
@@ -45,6 +46,7 @@ export function createS3Provider(options: S3ProviderOptions): UploadProvider {
       const normalizedPrefix = normalizePrefix(prefix)
       if (!normalizedPrefix)
         return
+
       const objects = await client.listObjects('/', `${normalizedPrefix}/`)
       if (!objects?.length)
         return
diff --git a/packages/vite-plugin-warpdrive/vitest.config.ts b/packages/vite-plugin-warpdrive/vitest.config.ts
new file mode 100644
index 000000000..a3ee64355
--- /dev/null
+++ b/packages/vite-plugin-warpdrive/vitest.config.ts
@@ -0,0 +1,14 @@
+import { join } from 'node:path'
+import { cwd } from 'node:process'
+
+import { loadEnv } from 'vite'
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig(({ mode }) => {
+  return ({
+    test: {
+      include: ['src/**/*.test.ts'],
+      env: loadEnv(mode, join(cwd(), 'packages', 'vite-plugin-warpdrive'), ''),
+    },
+  })
+})
diff --git a/services/telegram-bot/vitest.config.ts b/services/telegram-bot/vitest.config.ts
index 44f5922a2..2b2f9f3ab 100644
--- a/services/telegram-bot/vitest.config.ts
+++ b/services/telegram-bot/vitest.config.ts
@@ -10,7 +10,7 @@ export default defineConfig(({ mode }) => {
     test: {
       // mode defines what ".env.{mode}" file to choose if exists
       env: loadEnv(mode, cwd(), ''),
-      workspace: [
+      projects: [
         {
           extends: true,
           test: {
diff --git a/vitest.config.ts b/vitest.config.ts
index da11910bc..7404ad00a 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -3,8 +3,8 @@ import { defineConfig } from 'vitest/config'
 export default defineConfig({
   test: {
     projects: [
-      'packages/injecta',
       'packages/stage-ui',
+      'packages/vite-plugin-warpdrive',
     ],
   },
 })