diff --git a/blossom-editor/src/renderer/src/views/article/scripts/codemirror.ts b/blossom-editor/src/renderer/src/views/article/scripts/codemirror.ts
index d95f28a..953f064 100644
--- a/blossom-editor/src/renderer/src/views/article/scripts/codemirror.ts
+++ b/blossom-editor/src/renderer/src/views/article/scripts/codemirror.ts
@@ -63,6 +63,9 @@ export const cwTheme: any = {
     minWidth: '50px',
     maxWidth: '50px'
   },
+  '.cm-gutterElement': {
+    fontSize: '13px !important'
+  },
   '.cm-activeLineGutter': {
     backgroundColor: 'var(--bl-editor-gutters-bg-color)',
     color: 'var(--el-color-primary)'