表单项布局样式优化

src/components/app-form-group/app-form-group.less

@@ -22,6 +22,7 @@
 }
 
 .app-form-group.app-group-collapse-contant {
+
     .ivu-card-body {
         display: none;
     }
@@ -29,10 +30,12 @@
 
 .app-group-flex {
     height: 100%;
-    overflow: auto;
+    overflow-y: auto;
+    overflow-x: hidden;
 
     >.ivu-card-body {
         height: calc(100% - 51px);
-        overflow: auto;
+        overflow-y: auto;
+        overflow-x: hidden;
     }
 }
\ No newline at end of file

src/components/app-form-item/app-form-item.less

+.app-form-item-wrapper {
+  height: 100%;
+}
+
 .app-form-item {
   height: 100%;