feat(expense): 添加打款金额和汇率字段支持

- 在Expense结构体中新增PaymentAmount字段用于记录打款金额
- 在ExpenseDetails结构体中新增PaymentAmount字段保持数据一致性
- 在ExpenseChangeItem结构体中新增PaymentAmount和CurrencyRate字段
- 更新相关数据结构以支持打款金额和汇率的变更跟踪

erp/expense.go

@@ -58,6 +58,7 @@ type ExpenseItem struct {
 	BankName          string          `json:"bankName"`
 	PayAt             *time.Time      `json:"payAt"`
 	Amount            decimal.Decimal `json:"amount"`
+	PaymentAmount     decimal.Decimal `json:"paymentAmount"`
 	WorkflowId        int64           `json:"workflowId"`
 	WorkflowStatus    int64           `json:"workflowStatus"`
 	WorkflowReason    string          `json:"workflowReason"`
@@ -124,6 +125,7 @@ type ReplyExpenseInfo struct {
 	CurrencySymbol    string          `json:"currencySymbol"`
 	CurrencyRate      decimal.Decimal `json:"currencyRate"`
 	Amount            decimal.Decimal `json:"amount"`
+	PaymentAmount     decimal.Decimal `json:"paymentAmount"`
 	Remarks           string          `json:"remarks"`
 	BankAccount       string          `json:"bankAccount"`
 	BankName          string          `json:"bankName"`
@@ -178,8 +180,10 @@ type ArgsExpenseChange struct {
 	ExpenseChangeItem
 }
 type ExpenseChangeItem struct {
-	BankAccount string // 银行账号
-	BankName    string // 账号名称
+	BankAccount   string          // 银行账号
+	BankName      string          // 账号名称
+	PaymentAmount decimal.Decimal // 打款金额
+	CurrencyRate  decimal.Decimal // 汇率
 }
 
 // BatchChange @TITLE 批量修改