diff --git a/src/utils/wartermark.ts b/src/utils/wartermark.ts
index aba49e7..95ffb9c 100644
--- a/src/utils/wartermark.ts
+++ b/src/utils/wartermark.ts
@@ -1,28 +1,29 @@
 // 页面添加水印效果
 const setWatermark = (str: string) => {
-	const id = '1.23452384164.123412416';
-	if (document.getElementById(id) !== null) document.body.removeChild(<HTMLElement>document.getElementById(id));
-	const can = document.createElement('canvas');
-	can.width = 200;
-	can.height = 130;
-	const cans = <CanvasRenderingContext2D>can.getContext('2d');
-	cans.rotate((-20 * Math.PI) / 180);
-	cans.font = '12px Vedana';
-	cans.fillStyle = 'rgba(200, 200, 200, 0.30)';
-	cans.textBaseline = 'middle';
-	cans.fillText(str, can.width / 10, can.height / 2);
-	const div = document.createElement('div');
-	div.id = id;
-	div.style.pointerEvents = 'none';
-	div.style.top = '0px';
-	div.style.left = '0px';
-	div.style.position = 'fixed';
-	div.style.zIndex = '10000000';
-	div.style.width = `${document.documentElement.clientWidth}px`;
-	div.style.height = `${document.documentElement.clientHeight}px`;
-	div.style.background = `url(${can.toDataURL('image/png')}) left top repeat`;
-	document.body.appendChild(div);
-	return id;
+  const id = '1.23452384164.123412416';
+  if (document.getElementById(id) !== null)
+    document.body.removeChild(<HTMLElement>document.getElementById(id));
+  const can = document.createElement('canvas');
+  can.width = 200;
+  can.height = 130;
+  const cans = <CanvasRenderingContext2D>can.getContext('2d');
+  cans.rotate((-20 * Math.PI) / 180);
+  cans.font = '18px Vedana';
+  cans.fillStyle = 'rgba(200, 200, 200, 0.40)';
+  cans.textBaseline = 'middle';
+  cans.fillText(str, can.width / 10, can.height / 2);
+  const div = document.createElement('div');
+  div.id = id;
+  div.style.pointerEvents = 'none';
+  div.style.top = '0px';
+  div.style.left = '0px';
+  div.style.position = 'fixed';
+  div.style.zIndex = '10000000';
+  div.style.width = `${document.documentElement.clientWidth}px`;
+  div.style.height = `${document.documentElement.clientHeight}px`;
+  div.style.background = `url(${can.toDataURL('image/png')}) left top repeat`;
+  document.body.appendChild(div);
+  return id;
 };
 
 /**
@@ -31,16 +32,17 @@ const setWatermark = (str: string) => {
  * @method del 删除水印
  */
 const watermark = {
-	// 设置水印
-	set: (str: string) => {
-		let id = setWatermark(str);
-		if (document.getElementById(id) === null) id = setWatermark(str);
-	},
-	// 删除水印
-	del: () => {
-		let id = '1.23452384164.123412416';
-		if (document.getElementById(id) !== null) document.body.removeChild(<HTMLElement>document.getElementById(id));
-	},
+  // 设置水印
+  set: (str: string) => {
+    let id = setWatermark(str);
+    if (document.getElementById(id) === null) id = setWatermark(str);
+  },
+  // 删除水印
+  del: () => {
+    const id = '1.23452384164.123412416';
+    if (document.getElementById(id) !== null)
+      document.body.removeChild(<HTMLElement>document.getElementById(id));
+  },
 };
 
 // 导出方法