diff --git a/keyboard-server/src/main/java/com/yolo/keyboard/service/tenantbalance/TenantBalanceServiceImpl.java b/keyboard-server/src/main/java/com/yolo/keyboard/service/tenantbalance/TenantBalanceServiceImpl.java
index cb6f283..80d758c 100644
--- a/keyboard-server/src/main/java/com/yolo/keyboard/service/tenantbalance/TenantBalanceServiceImpl.java
+++ b/keyboard-server/src/main/java/com/yolo/keyboard/service/tenantbalance/TenantBalanceServiceImpl.java
@@ -243,18 +243,18 @@ public class TenantBalanceServiceImpl implements TenantBalanceService {
             throw exception(TENANT_BALANCE_NOT_EXISTS);
         }
 
-        // 3. 校验可用余额是否充足（可用余额 = 余额 - 冻结金额）
+        // 3. 校验可提现金额是否充足
         BigDecimal withdrawAmount = withdrawReqVO.getAmount();
-        BigDecimal frozenAmt = balance.getFrozenAmt() != null ? balance.getFrozenAmt() : BigDecimal.ZERO;
-        BigDecimal availableBalance = balance.getBalance().subtract(frozenAmt);
-        if (availableBalance.compareTo(withdrawAmount) < 0) {
+        BigDecimal withdrawableBalance = balance.getWithdrawableBalance() != null ? balance.getWithdrawableBalance() : BigDecimal.ZERO;
+        if (withdrawableBalance.compareTo(withdrawAmount) < 0) {
             throw exception(TENANT_BALANCE_WITHDRAW_INSUFFICIENT);
         }
 
-        // 4. 扣减余额并增加冻结金额
-        BigDecimal newBalance = balance.getBalance().subtract(withdrawAmount);
+        // 4. 从可提现金额中扣减并增加冻结金额
+        BigDecimal frozenAmt = balance.getFrozenAmt() != null ? balance.getFrozenAmt() : BigDecimal.ZERO;
+        BigDecimal newWithdrawableBalance = withdrawableBalance.subtract(withdrawAmount);
         BigDecimal newFrozenAmt = frozenAmt.add(withdrawAmount);
-        balance.setBalance(newBalance);
+        balance.setWithdrawableBalance(newWithdrawableBalance);
         balance.setFrozenAmt(newFrozenAmt);
         int updateCount = tenantBalanceMapper.updateById(balance);
         if (updateCount == 0) {
@@ -269,7 +269,7 @@ public class TenantBalanceServiceImpl implements TenantBalanceService {
         TenantBalanceTransactionDO transaction = TenantBalanceTransactionDO.builder()
                 .bizNo(bizNo)
                     .points(withdrawAmount.negate()) // 冻结金额（负数表示冻结扣减）
-                .balance(newBalance) // 扣减后的余额
+                .balance(newWithdrawableBalance) // 扣减后的可提现余额
                 .tenantId(tenantId)
                 .type("FREEZE")
                 .description("提现冻结")