修复combo提交验证失败后修改，只验证当前item的问题

src/renderers/Form/Control.tsx

@@ -9,7 +9,8 @@ import {
 } from '../../factory';
 import {
     ComboStore,
-    IComboStore
+    IComboStore,
+    IUniqueGroup
 } from '../../store/combo';
 import {
     anyChanged,
@@ -302,11 +303,15 @@ export default class FormControl extends React.Component<FormControlProps, any>
         } = this.props;
 
         if (this.model) {
-            this.model.validate(this.hook);
-
-            // 可能出现同名的表单项
-            form.getItemsByName(this.model.name)
-                .forEach(item => item !== this.model && item.validate())
+            if (form.parentStore && form.parentStore.storeType === 'ComboStore') {
+                const combo = form.parentStore as IComboStore;
+                const group = combo.uniques.get(this.model.name) as IUniqueGroup;
+                group.items.forEach(item => item.validate());
+            } else {
+                this.model.validate(this.hook);
+                form.getItemsByName(this.model.name)
+                    .forEach(item => item !== this.model && item.validate())
+            }
         }
     }