fix: 表单项栅格布局错位

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

 .app-form-group {
-    margin: 10px 0;
     .app-form-group-caption {
         padding-left: 20px;
     }
@@ -8,6 +7,8 @@
         margin-right: 20px;
         cursor: pointer;
     }
+    >.ivu-card{
+      margin: 10px 0;
       >.ivu-card-body {
           padding: 20px 5px 10px 5px;
       }
@@ -19,7 +20,9 @@
               margin-left: 4px;
           }
       }
+    }
     &.app-group-collapse-content {
+      >.ivu-card{
         >.ivu-card-head {
             color: var(--app-color-gray-200);
             border-bottom: none;
@@ -28,8 +31,10 @@
             display: none;
         }
       }
+    }
 
     &.app-group-flex {
+      >.ivu-card{
         height: 100%;
         overflow-y: auto;
         overflow-x: hidden;
@@ -40,4 +45,5 @@
             overflow-x: hidden;
         }
       }
+    }
 }
\ No newline at end of file

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

@@ -12,7 +12,7 @@
                 </app-form-group2>
         </template>
         <template v-else>
-            <card v-if="isShowCaption === true" :dis-hover="true" :class="classes">
+            <card v-if="isShowCaption === true" :dis-hover="true">
                 <span class='app-form-group-caption' slot='title'>
                     <icon v-if="titleBarCloseMode !== 0" :type="collapseContent ? 'md-add' : 'md-remove'" class="collapse-icon"
                     @click="clickCollapse"></icon>

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

 .app-form-item {
     height: 100%;
+    min-height: 45px;
     padding: 0 15px;
 
     .app-form-item-label {