diff --git a/packages/fineui/src/core/utils/dom.js b/packages/fineui/src/core/utils/dom.js
index 0530cfe95..275aa3adf 100644
--- a/packages/fineui/src/core/utils/dom.js
+++ b/packages/fineui/src/core/utils/dom.js
@@ -743,7 +743,7 @@ export function getComboPosition(combo, popup, extraWidth, extraHeight, needAdap
     }
     if (needAdaptHeight === true && popup.resetHeight) {
         const comboRect = combo.element[0].getBoundingClientRect();
-        const scale = comboRect.height / combo.element.height();
+        const scale = comboRect.height === 0 ? 1 : comboRect.height / combo.element.height();
         const relativeOffset = positionRelativeElement ? positionRelativeElement.getBoundingClientRect().top : 0;
         const positionTop = position.top + relativeOffset;
         if (positionTop < comboRect.top) {