diff --git a/yuthon_report/models/penalty_month_received_report.py b/yuthon_report/models/penalty_month_received_report.py
index 1739bbefe..c1e1acc13 100644
--- a/yuthon_report/models/penalty_month_received_report.py
+++ b/yuthon_report/models/penalty_month_received_report.py
@@ -174,7 +174,7 @@ class PenaltyMonthReceivedReport(models.Model):
                     continue
                 processed_keys.add(key)
 
-                # --- 构建租金信息 ---
+                # --- 构建租金信息（从租金应收单获取）---
                 rent_amount_val = 0.0
                 rent_collected_amt = 0.0
                 rent_uncollected_amt = 0.0
@@ -346,9 +346,8 @@ class PenaltyMonthReceivedReport(models.Model):
             rent_payout_date_str = ""
 
             if rent_receivable:
-                rent_amount_val = round(
-                    (rent_receivable.original_amount or 0.0) - (rent_receivable.discount_amount or 0.0), 2
-                )
+                # 租金金额直接取 original_amount（原始金额）
+                rent_amount_val = round(rent_receivable.original_amount or 0.0, 2)
                 rent_collected_amt = round(rent_receivable.delivered1 or 0.0, 2)
                 rent_uncollected_amt = round(rent_receivable.submitted or 0.0, 2)
                 rent_due_date_str = rent_receivable.due_date.strftime("%Y-%m-%d") if rent_receivable.due_date else ""
diff --git a/yuthon_report/models/penalty_year_cum_report.py b/yuthon_report/models/penalty_year_cum_report.py
index 1c3b26808..f8b7ecdfa 100644
--- a/yuthon_report/models/penalty_year_cum_report.py
+++ b/yuthon_report/models/penalty_year_cum_report.py
@@ -347,9 +347,8 @@ class PenaltyYearCumReport(models.Model):
             rent_payout_date_str = ""
 
             if rent_receivable:
-                rent_amount_val = round(
-                    (rent_receivable.original_amount or 0.0) - (rent_receivable.discount_amount or 0.0), 2
-                )
+                # 租金金额直接取 original_amount（原始金额）
+                rent_amount_val = round(rent_receivable.original_amount or 0.0, 2)
                 rent_collected_amt = round(rent_receivable.delivered1 or 0.0, 2)
                 rent_uncollected_amt = round(rent_receivable.submitted or 0.0, 2)
                 rent_due_date_str = rent_receivable.due_date.strftime("%Y-%m-%d") if rent_receivable.due_date else ""