update:更新

src/model/panel-detail/panel-detail.ts

@@ -450,9 +450,15 @@ export class PanelDetailModel {
                 Object.assign(boxStyle, { 'flex-grow': 1, 'min-width': `${(100 / 12)}%`, 'height': '100%' });
             }
         }
-        const boxSizeStyle: any = this.getBoxSizeStyle();
-        if (boxSizeStyle && Object.keys(boxSizeStyle).length > 0) {
-            Object.assign(boxStyle, { 'flex-grow': 0 });
+        if (this.parentName && this.panel) {
+            const parentItem = this.panel.layoutModelDetails[this.parentName];
+            // 当前项兄弟项个数大于1且本身设置宽或者高默认不占满
+            if (parentItem && parentItem.details && parentItem.details.length > 1) {
+                const boxSizeStyle: any = this.getBoxSizeStyle();
+                if (boxSizeStyle && Object.keys(boxSizeStyle).length > 0) {
+                    Object.assign(boxStyle, { 'flex-grow': 0 });
+                }
+            }
         }
         return boxStyle;
     }