diff --git a/renderer/renderer.js b/renderer/renderer.js
index 0a86d10..2b84857 100644
--- a/renderer/renderer.js
+++ b/renderer/renderer.js
@@ -126,6 +126,7 @@
     }
     try {
       preview.innerHTML = marked.parse(text);
+      preview.style.color = '';
     } catch (e) {
       preview.textContent = '渲染错误: ' + e.message;
       preview.style.color = 'red';