diff --git a/yudao-ui-admin/src/directive/dialog/dragHeight.js b/yudao-ui-admin/src/directive/dialog/dragHeight.js
new file mode 100644
index 000000000..97e530544
--- /dev/null
+++ b/yudao-ui-admin/src/directive/dialog/dragHeight.js
@@ -0,0 +1,34 @@
+/**
+ * v-dialogDragWidth 可拖动弹窗高度（右下角）
+ * Copyright (c) 2019 ruoyi
+ */
+
+export default {
+  bind(el) {
+    const dragDom = el.querySelector('.el-dialog');
+    const lineEl = document.createElement('div');
+    lineEl.style = 'width: 6px; background: inherit; height: 10px; position: absolute; right: 0; bottom: 0; margin: auto; z-index: 1; cursor: nwse-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;
+        const disY = e.clientY - el.offsetTop;
+        // 当前宽度 高度
+        const curWidth = dragDom.offsetWidth;
+        const curHeight = dragDom.offsetHeight;
+        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 xl = e.clientX - disX;
+          const yl = e.clientY - disY
+          dragDom.style.width = `${curWidth + xl}px`;
+          dragDom.style.height = `${curHeight + yl}px`;
+        };
+        document.onmouseup = function(e) {
+          document.onmousemove = null;
+          document.onmouseup = null;
+        };
+      }, false);
+    dragDom.appendChild(lineEl);
+  }
+}
diff --git a/yudao-ui-admin/src/directive/dialog/dragWidth.js b/yudao-ui-admin/src/directive/dialog/dragWidth.js
index 934a115e6..2df086730 100644
--- a/yudao-ui-admin/src/directive/dialog/dragWidth.js
+++ b/yudao-ui-admin/src/directive/dialog/dragWidth.js
@@ -1,5 +1,5 @@
 /**
- * v-dialogDragWidth 可拖动弹窗宽度
+ * v-dialogDragWidth 可拖动弹窗宽度（右侧边）
  * Copyright (c) 2019 ruoyi
  */
 
@@ -24,8 +24,7 @@ export default {
           document.onmousemove = null;
           document.onmouseup = null;
         };
-      },
-    );
+      }, false);
     dragDom.appendChild(lineEl);
   }
 }
diff --git a/yudao-ui-admin/src/directive/index.js b/yudao-ui-admin/src/directive/index.js
index 9e3b30f1c..5801640a1 100644
--- a/yudao-ui-admin/src/directive/index.js
+++ b/yudao-ui-admin/src/directive/index.js
@@ -2,12 +2,14 @@ import hasRole from './permission/hasRole'
 import hasPermi from './permission/hasPermi'
 import dialogDrag from './dialog/drag'
 import dialogDragWidth from './dialog/dragWidth'
+import dialogDragHeight from './dialog/dragHeight'
 
 const install = function(Vue) {
   Vue.directive('hasRole', hasRole)
   Vue.directive('hasPermi', hasPermi)
   Vue.directive('dialogDrag', dialogDrag)
   Vue.directive('dialogDragWidth', dialogDragWidth)
+  Vue.directive('dialogDragHeight', dialogDragHeight)
 }
 
 if (window.Vue) {