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code/base-project/base-vue/packages/ao-design/src/modal/index.scss

@@ -40,6 +40,7 @@ $btn-prefix: '#{$prefix}-btn';
     justify-content: center;
     width: 100%;
     height: 100%;
+    overflow: visible;
 
     .#{$modal-prefix} {
       background: #fff;
@@ -59,7 +60,6 @@ $btn-prefix: '#{$prefix}-btn';
         width: 100%;
         font-size: 16px;
         padding: 12px 16px;
-        border-bottom: 1px solid $separator-color;
         word-break: break-all;
       }
 
@@ -111,7 +111,6 @@ $btn-prefix: '#{$prefix}-btn';
       &-footer {
         padding: 12px 16px;
         flex-shrink: 0;
-        border-top: 1px solid $separator-color;
         text-align: right;
         .#{$btn-prefix}:not(:first-child) {
           margin-left: 12px;