diff --git a/package-lock.json b/package-lock.json
index e53a3e5..a635676 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,6 @@
         "@napi-rs/simple-git": "^0.1.8",
         "chalk": "^4.1.2",
         "cli-spinner": "^0.2.10",
-        "env-paths": "^3.0.0",
         "esbuild-sass-plugin": "^2.9.0",
         "github-slugger": "^2.0.0",
         "globby": "^13.1.4",
@@ -34,29 +33,29 @@
         "remark-frontmatter": "^4.0.1",
         "remark-gfm": "^3.0.1",
         "remark-math": "^5.1.1",
+        "remark-obsidian-callout": "^1.1.3",
         "remark-parse": "^10.0.1",
         "remark-rehype": "^10.1.0",
         "remark-smartypants": "^2.0.0",
-        "require-from-string": "^2.0.2",
         "rimraf": "^5.0.1",
         "serve-handler": "^6.1.5",
-        "shiki": "^0.14.2",
         "to-vfile": "^7.2.4",
         "unified": "^10.1.2",
         "unist-util-visit": "^4.1.2",
         "vfile": "^5.3.7",
+        "workerpool": "^6.4.0",
         "yargs": "^17.7.2"
       },
       "bin": {
-        "quartz": "quartz/bootstrap.mjs"
+        "quartz": "quartz/bootstrap-cli.mjs"
       },
       "devDependencies": {
         "@types/cli-spinner": "^0.2.1",
         "@types/hast": "^2.3.4",
         "@types/node": "^20.1.2",
         "@types/pretty-time": "^1.1.2",
-        "@types/require-from-string": "^1.2.1",
         "@types/serve-handler": "^6.1.1",
+        "@types/workerpool": "^6.4.0",
         "@types/yargs": "^17.0.24",
         "esbuild": "^0.17.18",
         "typescript": "^5.0.4"
@@ -938,12 +937,6 @@
       "integrity": "sha512-4i+Y+O5H80Rh01lY/3Z0hB/UWc4R64ReE83joEpVsIG3iQWpYx66k6pQh1amJNZquKtJQyu/RcfkTtvL0KwssA==",
       "dev": true
     },
-    "node_modules/@types/require-from-string": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/@types/require-from-string/-/require-from-string-1.2.1.tgz",
-      "integrity": "sha512-mIDK7lTHc0uW67SxPIqkwCrxmdKBV5aAET560hyZnT8c6Ekp9Aah3GPqe8Pl1Yzn/i2NMYmYv+HiMLwjGDCIAQ==",
-      "dev": true
-    },
     "node_modules/@types/serve-handler": {
       "version": "6.1.1",
       "resolved": "https://registry.npmjs.org/@types/serve-handler/-/serve-handler-6.1.1.tgz",
@@ -958,6 +951,15 @@
       "resolved": "https://registry.npmjs.org/@types/unist/-/unist-2.0.6.tgz",
       "integrity": "sha512-PBjIUxZHOuj0R15/xuwJYjFi+KZdNFrehocChv4g5hu6aFroHue8m0lBP0POdK2nKzbw0cgV1mws8+V/JAcEkQ=="
     },
+    "node_modules/@types/workerpool": {
+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/@types/workerpool/-/workerpool-6.4.0.tgz",
+      "integrity": "sha512-SIF2/169pDsLKeM8GQGHkOFifGalDbZgiBSaLUnnlVSRsAOenkAvQ6h4uhV2W+PZZczS+8LQxACwNkSykdT91A==",
+      "dev": true,
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/yargs": {
       "version": "17.0.24",
       "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-17.0.24.tgz",
@@ -998,7 +1000,8 @@
     "node_modules/ansi-sequence-parser": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/ansi-sequence-parser/-/ansi-sequence-parser-1.1.0.tgz",
-      "integrity": "sha512-lEm8mt52to2fT8GhciPCGeCXACSz2UwIN4X2e2LJSnZ5uAbn2/dsYdOmUXq0AtWS5cpAupysIneExOgH0Vd2TQ=="
+      "integrity": "sha512-lEm8mt52to2fT8GhciPCGeCXACSz2UwIN4X2e2LJSnZ5uAbn2/dsYdOmUXq0AtWS5cpAupysIneExOgH0Vd2TQ==",
+      "peer": true
     },
     "node_modules/ansi-styles": {
       "version": "4.3.0",
@@ -1347,17 +1350,6 @@
         "url": "https://github.com/fb55/entities?sponsor=1"
       }
     },
-    "node_modules/env-paths": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/env-paths/-/env-paths-3.0.0.tgz",
-      "integrity": "sha512-dtJUTepzMW3Lm/NPxRf3wP4642UWhjL2sQxc+ym2YMj1m/H2zDNQOlezafzkHwn6sMstjHTwG6iQQsctDW/b1A==",
-      "engines": {
-        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/esbuild": {
       "version": "0.17.19",
       "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.17.19.tgz",
@@ -2114,7 +2106,8 @@
     "node_modules/jsonc-parser": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/jsonc-parser/-/jsonc-parser-3.2.0.tgz",
-      "integrity": "sha512-gfFQZrcTc8CnKXp6Y4/CBT3fTc0OVuDofpre4aEeEpSBPV5X5v4+Vmx+8snU7RLPrNHPKSgLxGo9YuQzz20o+w=="
+      "integrity": "sha512-gfFQZrcTc8CnKXp6Y4/CBT3fTc0OVuDofpre4aEeEpSBPV5X5v4+Vmx+8snU7RLPrNHPKSgLxGo9YuQzz20o+w==",
+      "peer": true
     },
     "node_modules/katex": {
       "version": "0.16.7",
@@ -3412,6 +3405,14 @@
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/remark-obsidian-callout": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/remark-obsidian-callout/-/remark-obsidian-callout-1.1.3.tgz",
+      "integrity": "sha512-q2jZgPMHP5Wyq0WgeGdwboPoepqN7Ib77iWagEKThZjtl1wUd7/f2tdErdPr/LeZu9K7I6r52XylwhLs5GJi9g==",
+      "dependencies": {
+        "unist-util-visit": "^4.1.2"
+      }
+    },
     "node_modules/remark-parse": {
       "version": "10.0.2",
       "resolved": "https://registry.npmjs.org/remark-parse/-/remark-parse-10.0.2.tgz",
@@ -3476,14 +3477,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/require-from-string": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
-      "integrity": "sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==",
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/resolve": {
       "version": "1.22.2",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.2.tgz",
@@ -3717,6 +3710,7 @@
       "version": "0.14.2",
       "resolved": "https://registry.npmjs.org/shiki/-/shiki-0.14.2.tgz",
       "integrity": "sha512-ltSZlSLOuSY0M0Y75KA+ieRaZ0Trf5Wl3gutE7jzLuIcWxLp5i/uEnLoQWNvgKXQ5OMpGkJnVMRLAuzjc0LJ2A==",
+      "peer": true,
       "dependencies": {
         "ansi-sequence-parser": "^1.1.0",
         "jsonc-parser": "^3.2.0",
@@ -4158,12 +4152,14 @@
     "node_modules/vscode-oniguruma": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/vscode-oniguruma/-/vscode-oniguruma-1.7.0.tgz",
-      "integrity": "sha512-L9WMGRfrjOhgHSdOYgCt/yRMsXzLDJSL7BPrOZt73gU0iWO4mpqzqQzOz5srxqTvMBaR0XZTSrVWo4j55Rc6cA=="
+      "integrity": "sha512-L9WMGRfrjOhgHSdOYgCt/yRMsXzLDJSL7BPrOZt73gU0iWO4mpqzqQzOz5srxqTvMBaR0XZTSrVWo4j55Rc6cA==",
+      "peer": true
     },
     "node_modules/vscode-textmate": {
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/vscode-textmate/-/vscode-textmate-8.0.0.tgz",
-      "integrity": "sha512-AFbieoL7a5LMqcnOF04ji+rpXadgOXnZsxQr//r83kLPr7biP7am3g9zbaZIaBGwBRWeSvoMD4mgPdX3e4NWBg=="
+      "integrity": "sha512-AFbieoL7a5LMqcnOF04ji+rpXadgOXnZsxQr//r83kLPr7biP7am3g9zbaZIaBGwBRWeSvoMD4mgPdX3e4NWBg==",
+      "peer": true
     },
     "node_modules/web-namespaces": {
       "version": "2.0.1",
@@ -4188,6 +4184,11 @@
         "node": ">= 8"
       }
     },
+    "node_modules/workerpool": {
+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/workerpool/-/workerpool-6.4.0.tgz",
+      "integrity": "sha512-i3KR1mQMNwY2wx20ozq2EjISGtQWDIfV56We+yGJ5yDs8jTwQiLLaqHlkBHITlCuJnYlVRmXegxFxZg7gqI++A=="
+    },
     "node_modules/wrap-ansi": {
       "version": "6.2.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-6.2.0.tgz",
diff --git a/package.json b/package.json
index 83ddd54..c3bf0e2 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "@jackyzha0/quartz",
   "description": "🌱 publish your digital garden and notes as a website",
   "version": "4.0.3",
+  "type": "module",
   "author": "jackyzha0 <j.zhao2k19@gmail.com>",
   "license": "MIT",
   "homepage": "https://quartz.jzhao.xyz",
@@ -21,14 +22,13 @@
     "quartz"
   ],
   "bin": {
-    "quartz": "./quartz/bootstrap.mjs"
+    "quartz": "./quartz/bootstrap-cli.mjs"
   },
   "dependencies": {
     "@inquirer/prompts": "^1.0.3",
     "@napi-rs/simple-git": "^0.1.8",
     "chalk": "^4.1.2",
     "cli-spinner": "^0.2.10",
-    "env-paths": "^3.0.0",
     "esbuild-sass-plugin": "^2.9.0",
     "github-slugger": "^2.0.0",
     "globby": "^13.1.4",
@@ -49,17 +49,17 @@
     "remark-frontmatter": "^4.0.1",
     "remark-gfm": "^3.0.1",
     "remark-math": "^5.1.1",
+    "remark-obsidian-callout": "^1.1.3",
     "remark-parse": "^10.0.1",
     "remark-rehype": "^10.1.0",
     "remark-smartypants": "^2.0.0",
-    "require-from-string": "^2.0.2",
     "rimraf": "^5.0.1",
     "serve-handler": "^6.1.5",
-    "shiki": "^0.14.2",
     "to-vfile": "^7.2.4",
     "unified": "^10.1.2",
     "unist-util-visit": "^4.1.2",
     "vfile": "^5.3.7",
+    "workerpool": "^6.4.0",
     "yargs": "^17.7.2"
   },
   "devDependencies": {
@@ -67,8 +67,8 @@
     "@types/hast": "^2.3.4",
     "@types/node": "^20.1.2",
     "@types/pretty-time": "^1.1.2",
-    "@types/require-from-string": "^1.2.1",
     "@types/serve-handler": "^6.1.1",
+    "@types/workerpool": "^6.4.0",
     "@types/yargs": "^17.0.24",
     "esbuild": "^0.17.18",
     "typescript": "^5.0.4"
diff --git a/quartz/build.ts b/quartz/build.ts
index 73cebce..db8e4a9 100644
--- a/quartz/build.ts
+++ b/quartz/build.ts
@@ -24,10 +24,10 @@ export default async function buildQuartz(argv: Argv, version: string) {
   const perf = new PerfTimer()
   const output = argv.output
 
+  const pluginCount = Object.values(cfg.plugins).flat().length
+  const pluginNames = (key: 'transformers' | 'filters' | 'emitters') => cfg.plugins[key].map(plugin => plugin.name)
+  console.log(`Loaded ${pluginCount} plugins`)
   if (argv.verbose) {
-    const pluginCount = Object.values(cfg.plugins).flat().length
-    const pluginNames = (key: 'transformers' | 'filters' | 'emitters') => cfg.plugins[key].map(plugin => plugin.name)
-    console.log(`Loaded ${pluginCount} plugins`)
     console.log(`  Transformers: ${pluginNames('transformers').join(", ")}`)
     console.log(`  Filters: ${pluginNames('filters').join(", ")}`)
     console.log(`  Emitters: ${pluginNames('emitters').join(", ")}`)
@@ -37,9 +37,7 @@ export default async function buildQuartz(argv: Argv, version: string) {
   if (argv.clean) {
     perf.addEvent('clean')
     await rimraf(output)
-    if (argv.verbose) {
-      console.log(`Cleaned output directory \`${output}\` in ${perf.timeSince('clean')}`)
-    }
+    console.log(`Cleaned output directory \`${output}\` in ${perf.timeSince('clean')}`)
   }
 
   // glob
@@ -49,11 +47,7 @@ export default async function buildQuartz(argv: Argv, version: string) {
     ignore: cfg.configuration.ignorePatterns,
     gitignore: true,
   })
-
-  if (argv.verbose) {
-    console.log(`Found ${fps.length} input files in ${perf.timeSince('glob')}`)
-
-  }
+  console.log(`Found ${fps.length} input files in ${perf.timeSince('glob')}`)
 
   const filePaths = fps.map(fp => `${argv.directory}${path.sep}${fp}`)
   const parsedFiles = await parseMarkdown(cfg.plugins.transformers, argv.directory, filePaths, argv.verbose)
diff --git a/quartz/log.ts b/quartz/log.ts
new file mode 100644
index 0000000..f96cfe4
--- /dev/null
+++ b/quartz/log.ts
@@ -0,0 +1,26 @@
+import { Spinner } from 'cli-spinner'
+
+export class QuartzLogger {
+  verbose: boolean
+  spinner: Spinner | undefined
+  constructor(verbose: boolean) {
+    this.verbose = verbose
+  }
+
+  start(text: string) {
+    if (this.verbose) {
+      console.log(text)
+    } else {
+      this.spinner = new Spinner(`%s ${text}`)
+      this.spinner.setSpinnerString(18)
+      this.spinner.start()
+    }
+  }
+
+  success(text: string) {
+    if (!this.verbose) {
+      this.spinner!.stop(true)
+    }
+    console.log(text)
+  }
+}
diff --git a/quartz/processors/emit.ts b/quartz/processors/emit.ts
index f915574..3407de2 100644
--- a/quartz/processors/emit.ts
+++ b/quartz/processors/emit.ts
@@ -7,6 +7,7 @@ import { EmitCallback } from "../plugins/types"
 import { ProcessedContent } from "../plugins/vfile"
 import { QUARTZ, slugify } from "../path"
 import { globbyStream } from "globby"
+import chalk from "chalk"
 
 export async function emitContent(contentFolder: string, output: string, cfg: QuartzConfig, content: ProcessedContent[], verbose: boolean) {
   const perf = new PerfTimer()
@@ -23,13 +24,18 @@ export async function emitContent(contentFolder: string, output: string, cfg: Qu
 
   let emittedFiles = 0
   for (const emitter of cfg.plugins.emitters) {
-    const emitted = await emitter.emit(cfg.configuration, content, staticResources, emit)
-    emittedFiles += emitted.length
+    try {
+      const emitted = await emitter.emit(cfg.configuration, content, staticResources, emit)
+      emittedFiles += emitted.length
 
-    if (verbose) {
-      for (const file of emitted) {
-        console.log(`[emit:${emitter.name}] ${file}`)
+      if (verbose) {
+        for (const file of emitted) {
+          console.log(`[emit:${emitter.name}] ${file}`)
+        }
       }
+    } catch (err) {
+      console.log(chalk.red(`Failed to emit from plugin \`${emitter.name}\`: `) + err)
+      process.exit(1)
     }
   }
 
diff --git a/quartz/processors/parse.ts b/quartz/processors/parse.ts
index 715a4e9..173675e 100644
--- a/quartz/processors/parse.ts
+++ b/quartz/processors/parse.ts
@@ -12,9 +12,11 @@ import path from 'path'
 import os from 'os'
 import workerpool, { Promise as WorkerPromise } from 'workerpool'
 import { QuartzTransformerPlugin } from '../plugins/types'
+import { QuartzLogger } from '../log'
+import chalk from 'chalk'
 
 export type QuartzProcessor = Processor<MDRoot, HTMLRoot, void>
-export function createProcessor(transformers: QuartzTransformerPlugin[]): any {
+export function createProcessor(transformers: QuartzTransformerPlugin[]): QuartzProcessor {
   // base Markdown -> MD AST
   let processor = unified().use(remarkParse)
 
@@ -41,15 +43,11 @@ function* chunks<T>(arr: T[], n: number) {
   }
 }
 
-async function transpileWorkerScript(verbose: boolean) {
+async function transpileWorkerScript() {
   // transpile worker script
   const cacheFile = "./.quartz-cache/transpiled-worker.mjs"
   const fp = "./quartz/worker.ts"
-  if (verbose) {
-    console.log("Transpiling worker script")
-  }
-
-  await esbuild.build({
+  return esbuild.build({
     entryPoints: [fp],
     outfile: path.join("quartz", cacheFile),
     bundle: true,
@@ -75,31 +73,50 @@ async function transpileWorkerScript(verbose: boolean) {
   })
 }
 
+export function createFileParser(baseDir: string, fps: string[], verbose: boolean) {
+  return async (processor: QuartzProcessor) => {
+    const res: ProcessedContent[] = []
+    for (const fp of fps) {
+      try {
+        const file = await read(fp)
+
+        // base data properties that plugins may use
+        file.data.slug = slugify(path.relative(baseDir, file.path))
+        file.data.filePath = fp
+
+        const ast = processor.parse(file)
+        const newAst = await processor.run(ast, file)
+        res.push([newAst, file])
+
+        if (verbose) {
+          console.log(`[process] ${fp} -> ${file.data.slug}`)
+        }
+      } catch (err) {
+        console.log(chalk.red(`Failed to process \`${fp}\`: `) + err)
+        process.exit(1)
+      }
+    }
+
+    return res
+  }
+}
+
 export async function parseMarkdown(transformers: QuartzTransformerPlugin[], baseDir: string, fps: string[], verbose: boolean): Promise<ProcessedContent[]> {
   const perf = new PerfTimer()
+  const log = new QuartzLogger(verbose)
 
   const CHUNK_SIZE = 128
   let concurrency = fps.length < CHUNK_SIZE ? 1 : os.availableParallelism()
-  const res: ProcessedContent[] = []
+  let res: ProcessedContent[] = []
+
+  log.start(`Parsing input files using ${concurrency} threads`)
   if (concurrency === 1) {
     // single-thread
     const processor = createProcessor(transformers)
-    for (const fp of fps) {
-      const file = await read(fp)
-
-      // base data properties that plugins may use
-      file.data.slug = slugify(path.relative(baseDir, file.path))
-      file.data.filePath = fp
-
-      const ast = processor.parse(file)
-      res.push([await processor.run(ast, file), file])
-
-      if (verbose) {
-        console.log(`[process] ${fp} -> ${file.data.slug}`)
-      }
-    }
+    const parse = createFileParser(baseDir, fps, verbose)
+    res = await parse(processor)
   } else {
-    await transpileWorkerScript(verbose)
+    await transpileWorkerScript()
     const pool = workerpool.pool(
       './quartz/bootstrap-worker.mjs',
       {
@@ -113,11 +130,12 @@ export async function parseMarkdown(transformers: QuartzTransformerPlugin[], bas
     for (const chunk of chunks(fps, CHUNK_SIZE)) {
       childPromises.push(pool.exec('parseFiles', [baseDir, chunk, verbose]))
     }
+
     const results: ProcessedContent[][] = await WorkerPromise.all(childPromises)
-    res.push(...results.flat())
+    res = results.flat()
     await pool.terminate()
   }
 
-  console.log(`Parsed and transformed ${res.length} Markdown files with ${concurrency} cores in ${perf.timeSince()}`)
+  log.success(`Parsed ${res.length} Markdown files in ${perf.timeSince()}`)
   return res
 }
diff --git a/quartz/worker.ts b/quartz/worker.ts
index 71678b8..e2c278f 100644
--- a/quartz/worker.ts
+++ b/quartz/worker.ts
@@ -1,30 +1,11 @@
-import { read } from "to-vfile"
 import config from "../quartz.config"
-import { createProcessor } from "./processors/parse"
-import { slugify } from "./path"
-import path from "path"
-import { ProcessedContent } from "./plugins/vfile"
+import { createFileParser, createProcessor } from "./processors/parse"
 
 const transformers = config.plugins.transformers
 const processor = createProcessor(transformers)
 
 // only called from worker thread
 export async function parseFiles(baseDir: string, fps: string[], verbose: boolean) {
-  const res: ProcessedContent[] = []
-  for (const fp of fps) {
-    const file = await read(fp)
-
-    // base data properties that plugins may use
-    file.data.slug = slugify(path.relative(baseDir, file.path))
-    file.data.filePath = fp
-
-    const ast = processor.parse(file)
-    res.push([await processor.run(ast, file), file])
-
-    if (verbose) {
-      console.log(`[process] ${fp} -> ${file.data.slug}`)
-    }
-  }
-
-  return res
+  const parse = createFileParser(baseDir, fps, verbose)
+  return parse(processor)
 }