diff --git a/service.js b/service.js
index 1f2bb3a..b0d4d02 100644
--- a/service.js
+++ b/service.js
@@ -888,7 +888,7 @@ class BesService {
   setCtxFont(scale, dpr)
   {
     const styles = window.getComputedStyle(this.canvasPanel)
-    this.ctx.font = `${styles.fontStyle} ${styles.fontWeight} ${12 * scale * dpr}px ${styles.fontFamily}`
+    this.ctx.font = `${styles.fontStyle} ${styles.fontWeight} ${14 * scale * dpr}px ${styles.fontFamily}`
   }
 
   /**