diff --git a/hutool-core/src/main/java/cn/hutool/core/math/NumberUtil.java b/hutool-core/src/main/java/cn/hutool/core/math/NumberUtil.java
index 35a2096f0..6551520a9 100644
--- a/hutool-core/src/main/java/cn/hutool/core/math/NumberUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/math/NumberUtil.java
@@ -723,7 +723,7 @@ public class NumberUtil {
 		if (v1 instanceof BigDecimal && v2 instanceof BigDecimal) {
 			return div((BigDecimal) v1, (BigDecimal) v2, scale, roundingMode);
 		}
-		return div(v1.toString(), v2.toString(), scale, roundingMode);
+		return div(StrUtil.toStringOrNull(v1),StrUtil.toStringOrNull(v2), scale, roundingMode);
 	}
 
 	/**