diff --git a/yudao-ui-admin/src/directive/dialog/drag.js b/yudao-ui-admin/src/directive/dialog/drag.js
index c5c2455f8..83f8b6588 100644
--- a/yudao-ui-admin/src/directive/dialog/drag.js
+++ b/yudao-ui-admin/src/directive/dialog/drag.js
@@ -2,7 +2,6 @@
  * v-dialogDrag 弹窗拖拽
  * Copyright (c) 2019 ruoyi
  */
-
 export default {
   bind(el, binding, vnode, oldVnode) {
     const value = binding.value
diff --git a/yudao-ui-admin/src/directive/dialog/dragWidth.js b/yudao-ui-admin/src/directive/dialog/dragWidth.js
new file mode 100644
index 000000000..934a115e6
--- /dev/null
+++ b/yudao-ui-admin/src/directive/dialog/dragWidth.js
@@ -0,0 +1,31 @@
+/**
+ * v-dialogDragWidth 可拖动弹窗宽度
+ * Copyright (c) 2019 ruoyi
+ */
+
+export default {
+  bind(el) {
+    const dragDom = el.querySelector('.el-dialog');
+    const lineEl = document.createElement('div');
+    lineEl.style = 'width: 5px; background: inherit; height: 80%; position: absolute; right: 0; top: 0; bottom: 0; margin: auto; z-index: 1; cursor: w-resize;';
+    lineEl.addEventListener('mousedown',
+      function (e) {
+        // 鼠标按下，计算当前元素距离可视区的距离
+        const disX = e.clientX - el.offsetLeft;
+        // 当前宽度
+        const curWidth = dragDom.offsetWidth;
+        document.onmousemove = function (e) {
+          e.preventDefault(); // 移动时禁用默认事件
+          // 通过事件委托，计算移动的距离
+          const l = e.clientX - disX;
+          dragDom.style.width = `${curWidth + l}px`;
+        };
+        document.onmouseup = function (e) {
+          document.onmousemove = null;
+          document.onmouseup = null;
+        };
+      },
+    );
+    dragDom.appendChild(lineEl);
+  }
+}
diff --git a/yudao-ui-admin/src/directive/index.js b/yudao-ui-admin/src/directive/index.js
index 550109b4d..9e3b30f1c 100644
--- a/yudao-ui-admin/src/directive/index.js
+++ b/yudao-ui-admin/src/directive/index.js
@@ -1,17 +1,18 @@
 import hasRole from './permission/hasRole'
 import hasPermi from './permission/hasPermi'
 import dialogDrag from './dialog/drag'
+import dialogDragWidth from './dialog/dragWidth'
 
 const install = function(Vue) {
   Vue.directive('hasRole', hasRole)
   Vue.directive('hasPermi', hasPermi)
   Vue.directive('dialogDrag', dialogDrag)
+  Vue.directive('dialogDragWidth', dialogDragWidth)
 }
 
 if (window.Vue) {
   window['hasRole'] = hasRole
   window['hasPermi'] = hasPermi
-  window['dialogDrag'] = dialogDrag
   Vue.use(install); // eslint-disable-line
 }