diff --git a/package.json b/package.json
index 5d047f85b..673c6d446 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fineui",
-  "version": "2.0.20221208121622",
+  "version": "2.0.20221208183344",
   "description": "fineui",
   "main": "dist/fineui_without_conflict.min.js",
   "types": "dist/lib/index.d.ts",
diff --git a/src/base/combination/combo.js b/src/base/combination/combo.js
index 02f838877..114e4a52e 100644
--- a/src/base/combination/combo.js
+++ b/src/base/combination/combo.js
@@ -219,7 +219,7 @@
                     },
                 },
             } : this.combo;
-            var positionRelativeElement = o.supportCSSTransform ? BI.DOM.getPositionRelativeContainingBlock(BI.Widget._renderEngine.createElement(BI.isFunction(o.container) ? o.container() : o.container)[0]) : null;
+            var positionRelativeElement = o.supportCSSTransform ? BI.DOM.getPositionRelativeContainingBlock(BI.isNull(o.container) ? this.element[0] : BI.Widget._renderEngine.createElement(BI.isFunction(o.container) ? o.container() : o.container)[0]) : null;
             switch (o.direction) {
                 case "bottom":
                 case "bottom,right":