diff --git a/public/static/pdf/web/viewer.js b/public/static/pdf/web/viewer.js
index 5cdd7d2b6..b81ad686c 100644
--- a/public/static/pdf/web/viewer.js
+++ b/public/static/pdf/web/viewer.js
@@ -10457,6 +10457,8 @@ class PDFPageView {
       });
       div.append(this.textLayer.div);
     }
+
+
     if (!this.annotationLayer && this.#annotationMode !== _pdfjsLib.AnnotationMode.DISABLE) {
       const {
         annotationStorage,
@@ -10607,6 +10609,117 @@ class PDFPageView {
       source: this,
       pageNumber: this.id
     });
+
+    div.style.overflow = 'hidden'
+
+    //添加水印
+    var cover = document.createElement('div');
+    cover.className = "cover";
+    var userInfo;
+    if (localStorage.getItem('userInfo')) {
+      userInfo = JSON.parse(localStorage.getItem('userInfo'));
+    }
+    var coverUserName = "";
+    // var coverWorkNum = "";
+    var msg = ""
+    if(userInfo != null){
+      coverUserName = userInfo.uName;
+      // if (userInfo.workNum != null) {
+      //   coverWorkNum = userInfo.workNum + ',';
+      // }
+      msg = coverUserName;
+    }
+    var defaultSettings = {
+      // watermark_txt: '测试水印',
+      watermark_txt: msg,
+      watermark_x: 50,//水印起始位置x轴坐标
+      watermark_y: 60,//水印起始位置Y轴坐标
+      watermark_rows: 0,//水印行数
+      watermark_cols: 0,//水印列数
+      watermark_x_space: 40,//水印x轴间隔
+      watermark_y_space: 50,//水印y轴间隔
+      watermark_color: 'rgba(232,232,240)',//水印字体颜色
+      watermark_alpha: 0.4,//水印透明度
+      watermark_fontsize: '40px',//水印字体大小
+      watermark_font: '微软雅黑',//水印字体
+      watermark_width: 120,//水印宽度
+      watermark_height: 80,//水印长度
+      watermark_angle: 40//水印倾斜度数
+    };
+    var screenHeight = window.screen.height;
+    var screenWidth = window.screen.width;
+    if((screenHeight>screenWidth) && (screenWidth>480 && screenWidth <= 1440)){
+      defaultSettings.watermark_fontsize = '20px';
+      defaultSettings.watermark_width = 60;
+      defaultSettings.watermark_height = 40;
+    }
+    var oTemp = document.createDocumentFragment();
+
+    // //获取页面最大宽度
+    // var page_width = Math.max(document.body.scrollWidth, document.body.clientWidth);
+    // //获取页面最大长度
+    // var page_height = Math.max(document.body.scrollHeight, document.body.clientHeight);
+
+    // var page_width = parseInt(canvasWrapper.style.width) //获取pdf页面宽度
+    // var page_height = parseInt(canvasWrapper.style.height)+defaultSettings.watermark_y  //获取pdf页面长度
+
+    var page_width = canvas.width //获取pdf页面宽度
+    var page_height = canvas.height  //获取pdf页面长度
+
+    //如果将水印列数设置为0，或水印列数设置过大，超过页面最大宽度，则重新计算水印列数和水印x轴间隔
+    if (defaultSettings.watermark_cols == 0 || (parseInt(defaultSettings.watermark_x + defaultSettings.watermark_width * defaultSettings.watermark_cols + defaultSettings.watermark_x_space * (defaultSettings.watermark_cols - 1)) > page_width)) {
+      defaultSettings.watermark_cols = parseInt((page_width - defaultSettings.watermark_x + defaultSettings.watermark_x_space) / (defaultSettings.watermark_width + defaultSettings.watermark_x_space));
+      defaultSettings.watermark_x_space = parseInt((page_width - defaultSettings.watermark_x - defaultSettings.watermark_width * defaultSettings.watermark_cols) / (defaultSettings.watermark_cols - 1));
+    }
+    //如果将水印行数设置为0，或水印行数设置过大，超过页面最大长度，则重新计算水印行数和水印y轴间隔
+    //这一段可以注释，因为可能会每页只加一半水印
+    if (defaultSettings.watermark_rows == 0 || (parseInt(defaultSettings.watermark_y + defaultSettings.watermark_height * defaultSettings.watermark_rows + defaultSettings.watermark_y_space * (defaultSettings.watermark_rows - 1)) > page_height)) {
+      defaultSettings.watermark_rows = parseInt((defaultSettings.watermark_y_space + page_height - defaultSettings.watermark_y) / (defaultSettings.watermark_height + defaultSettings.watermark_y_space));
+      defaultSettings.watermark_y_space = parseInt(((page_height - defaultSettings.watermark_y) - defaultSettings.watermark_height * defaultSettings.watermark_rows) / (defaultSettings.watermark_rows - 1));
+    }
+    var x;
+    var y;
+    for (var i = 0; i < defaultSettings.watermark_rows; i++) {
+      y = defaultSettings.watermark_y + (defaultSettings.watermark_y_space + defaultSettings.watermark_height) * i;
+      for (var j = 0; j < defaultSettings.watermark_cols; j++) {
+        x = defaultSettings.watermark_x + (defaultSettings.watermark_width + defaultSettings.watermark_x_space) * j;
+        var mask_div = document.createElement('div');
+        mask_div.id = 'mask_div' + i + j;
+        mask_div.className = 'mask_div';
+        mask_div.appendChild(document.createTextNode(defaultSettings.watermark_txt));
+        //设置水印div倾斜显示
+        mask_div.style.webkitTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
+        mask_div.style.MozTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
+        mask_div.style.msTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
+        mask_div.style.OTransform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
+        mask_div.style.transform = "rotate(-" + defaultSettings.watermark_angle + "deg)";
+        mask_div.style.visibility = "";
+        mask_div.style.position = "absolute";
+        mask_div.style.whiteSpace = "nowrap";
+
+        //奇偶行错开，这样水印就不对齐，显的不呆板
+        if (i % 2 != 0) {
+          // mask_div.style.left = x + 20 + 'px';
+          mask_div.style.left = x - 20 + 'px';
+        } else {
+          mask_div.style.left = x + 'px';
+        }
+        mask_div.style.top = y + 'px';
+        mask_div.style.overflow = "hidden";
+        mask_div.style.opacity = defaultSettings.watermark_alpha;
+        mask_div.style.fontSize = defaultSettings.watermark_fontsize;
+        mask_div.style.fontFamily = defaultSettings.watermark_font;
+        mask_div.style.color = defaultSettings.watermark_color;
+        mask_div.style.textAlign = "center";
+        // mask_div.style.width = canvas.style.width + 'px';
+        // mask_div.style.height = canvas.style.height + 'px';
+        mask_div.style.display = "block";
+        oTemp.appendChild(mask_div);
+      }
+    }
+    cover.appendChild(oTemp);
+    canvasWrapper.appendChild(cover)
+
     return resultPromise;
   }
   setPageLabel(label) {
@@ -13570,7 +13683,7 @@ function getXfaHtmlForPrinting(printContainer, pdfDocument) {
 /************************************************************************/
 /******/ 	// The module cache
 /******/ 	var __webpack_module_cache__ = {};
-/******/ 	
+/******/
 /******/ 	// The require function
 /******/ 	function __webpack_require__(moduleId) {
 /******/ 		// Check if module is in cache
@@ -13584,14 +13697,14 @@ function getXfaHtmlForPrinting(printContainer, pdfDocument) {
 /******/ 			// no module.loaded needed
 /******/ 			exports: {}
 /******/ 		};
-/******/ 	
+/******/
 /******/ 		// Execute the module function
 /******/ 		__webpack_modules__[moduleId](module, module.exports, __webpack_require__);
-/******/ 	
+/******/
 /******/ 		// Return the exports of the module
 /******/ 		return module.exports;
 /******/ 	}
-/******/ 	
+/******/
 /************************************************************************/
 var __webpack_exports__ = {};
 // This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
@@ -13775,4 +13888,4 @@ if (document.readyState === "interactive" || document.readyState === "complete")
 
 /******/ })()
 ;
-//# sourceMappingURL=viewer.js.map
\ No newline at end of file
+//# sourceMappingURL=viewer.js.map