diff --git a/docs/ffmpeg.html b/docs/ffmpeg.html
index b0b8a760..b35f63fa 100644
--- a/docs/ffmpeg.html
+++ b/docs/ffmpeg.html
@@ -538,8 +538,9 @@
 </span></code></pre>
 <!--rehype:className=wrap-text -->
 <p>合并当前目录下所有视频</p>
-<pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">$ ffmpeg <span class="token parameter variable">-f</span> concat <span class="token parameter variable">-safe</span> <span class="token number">0</span> <span class="token parameter variable">-i</span> <span class="token operator">&#x3C;</span><span class="token punctuation">(</span><span class="token keyword">for</span> <span class="token for-or-select variable">f</span> <span class="token keyword">in</span> ./*.mp4<span class="token punctuation">;</span> <span class="token keyword">do</span> <span class="token builtin class-name">echo</span> <span class="token string">"file '<span class="token environment constant">$PWD</span>/<span class="token variable">$f</span>'"</span><span class="token punctuation">;</span> <span class="token keyword">done</span><span class="token punctuation">)</span> <span class="token parameter variable">-c</span> copy output.mp4
+<pre class="wrap-text "><code class="language-bash code-highlight"><span class="code-line">$ ffmpeg <span class="token parameter variable">-f</span> concat <span class="token parameter variable">-safe</span> <span class="token number">0</span> <span class="token parameter variable">-i</span> <span class="token operator">&#x3C;</span><span class="token punctuation">(</span><span class="token keyword">for</span> <span class="token for-or-select variable">f</span> <span class="token keyword">in</span> ./*.mp4<span class="token punctuation">;</span> <span class="token keyword">do</span> <span class="token builtin class-name">echo</span> <span class="token string">"file '<span class="token environment constant">$PWD</span>/<span class="token variable">$f</span>'"</span><span class="token punctuation">;</span> <span class="token keyword">done</span><span class="token punctuation">)</span> <span class="token parameter variable">-c</span> copy output.mp4
 </span></code></pre>
+<!--rehype:className=wrap-text -->
 <p>合并不同规格视频，保证视频不变形</p>
 <pre class="wrap-text "><code class="language-bash code-highlight"><span class="code-line">$ ffmpeg <span class="token parameter variable">-i</span> <span class="token number">1</span>.mp4 <span class="token parameter variable">-c</span> copy <span class="token parameter variable">-bsf:v</span> h264_mp4toannexb <span class="token parameter variable">-f</span> mpegts tmp1.ts
 </span><span class="code-line">$ ffmpeg <span class="token parameter variable">-i</span> <span class="token number">2</span>.mp4 <span class="token parameter variable">-c</span> copy <span class="token parameter variable">-bsf:v</span> h264_mp4toannexb <span class="token parameter variable">-f</span> mpegts tmp2.ts