diff --git a/ruoyi-ui/src/directive/dialog/dragHeight.js b/ruoyi-ui/src/directive/dialog/dragHeight.js
new file mode 100644
index 000000000..db5e1dbcc
--- /dev/null
+++ b/ruoyi-ui/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);
+    }
+}
\ No newline at end of file
diff --git a/ruoyi-ui/src/directive/dialog/dragWidth.js b/ruoyi-ui/src/directive/dialog/dragWidth.js
index 4ed7f2348..e3b5f3f84 100644
--- a/ruoyi-ui/src/directive/dialog/dragWidth.js
+++ b/ruoyi-ui/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);
     }
 }
\ No newline at end of file
diff --git a/ruoyi-ui/src/directive/index.js b/ruoyi-ui/src/directive/index.js
index 9bedc8a18..030fd4fe2 100644
--- a/ruoyi-ui/src/directive/index.js
+++ b/ruoyi-ui/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) {