diff --git a/arap/src/private/nc/bs/pub/action/N_F3_SAVE.java b/arap/src/private/nc/bs/pub/action/N_F3_SAVE.java
index a4bb0a3..a2ff377 100644
--- a/arap/src/private/nc/bs/pub/action/N_F3_SAVE.java
+++ b/arap/src/private/nc/bs/pub/action/N_F3_SAVE.java
@@ -128,9 +128,6 @@ public class N_F3_SAVE extends N_BASE_ACTION {
     private static final String ZERO_YUAN = "零元整";
 
     public static String toChineseAmount(BigDecimal number) {
-//        if (number == null || number.compareTo(BigDecimal.ZERO) < 0) {
-//            throw new IllegalArgumentException("请输入非负数字");
-//        }
         boolean isNegative = number.compareTo(BigDecimal.ZERO) < 0;
         if (isNegative) {
             number = number.abs(); // 转为正数
@@ -149,6 +146,8 @@ public class N_F3_SAVE extends N_BASE_ACTION {
         } else {
             char[] intChars = integerPart.toCharArray();
             int len = intChars.length;
+            int zeroCount = 0; // 记录连续的零的个数
+
             for (int i = 0; i < len; i++) {
                 int digit = intChars[i] - '0';
                 int digitPosition = len - i - 1;
@@ -156,18 +155,33 @@ public class N_F3_SAVE extends N_BASE_ACTION {
                 int positionInSection = digitPosition % 4;
 
                 if (digit != 0) {
+                    // 如果前面有连续的零，添加一个零
+                    if (zeroCount > 0) {
+                        chineseInteger.append(CHINESE_CHARS[0]);
+                        zeroCount = 0;
+                    }
+
                     chineseInteger.append(CHINESE_CHARS[digit]);
                     if (positionInSection > 0) {
                         chineseInteger.append(DIGIT_UNITS[positionInSection]);
                     }
-                }
-                if (positionInSection == 0) {
-                    if (digit != 0 || chineseInteger.length() == 0) {
+
+                    // 每四位添加一个大数单位
+                    if (positionInSection == 0) {
+                        chineseInteger.append(LARGE_NUMBERS[section]);
+                    }
+                } else {
+                    zeroCount++;
+
+                    // 每四位的末尾，即使是零也要添加大数单位
+                    if (positionInSection == 0 && zeroCount < 4) {
                         chineseInteger.append(LARGE_NUMBERS[section]);
                     }
                 }
-                if (digit == 0) {
-                    chineseInteger.append(CHINESE_CHARS[digit]);
+
+                // 每四位的末尾重置零计数
+                if (positionInSection == 0) {
+                    zeroCount = 0;
                 }
             }
             // 移除多余的零和重复的单位
@@ -214,6 +228,11 @@ public class N_F3_SAVE extends N_BASE_ACTION {
             return ZERO_YUAN;
         }
 
+        // 添加负号（如果需要）
+        if (isNegative) {
+            return "负" + chineseInteger.toString();
+        }
+
         return chineseInteger.toString();
     }
 
@@ -242,6 +261,14 @@ public class N_F3_SAVE extends N_BASE_ACTION {
                 }
             }
         }
+        // 移除连续的大数单位
+        for (String largeNum : LARGE_NUMBERS) {
+            if (!largeNum.isEmpty()) {
+                while (sb.indexOf(largeNum + largeNum) != -1) {
+                    sb.replace(sb.indexOf(largeNum + largeNum), sb.indexOf(largeNum + largeNum) + largeNum.length() * 2, largeNum);
+                }
+            }
+        }
     }