diff --git a/pjcloud-wallet/pjcloud-wallet-biz/src/main/java/com/bsd/pjcloud/wallet/service/impl/recharge/WalletRechargeInvoiceServiceImpl.java b/pjcloud-wallet/pjcloud-wallet-biz/src/main/java/com/bsd/pjcloud/wallet/service/impl/recharge/WalletRechargeInvoiceServiceImpl.java
index e2752b717..2f5b2abde 100644
--- a/pjcloud-wallet/pjcloud-wallet-biz/src/main/java/com/bsd/pjcloud/wallet/service/impl/recharge/WalletRechargeInvoiceServiceImpl.java
+++ b/pjcloud-wallet/pjcloud-wallet-biz/src/main/java/com/bsd/pjcloud/wallet/service/impl/recharge/WalletRechargeInvoiceServiceImpl.java
@@ -86,9 +86,13 @@ import java.util.Map;
 public class WalletRechargeInvoiceServiceImpl extends ServiceImpl<WalletRechargeInvoiceMapper, WalletRechargeInvoiceEntity> implements WalletRechargeInvoiceService {
 
     static private final String TAG = "充值/扣款发票";
-    private static final double INVOICE_STAMP_WIDTH_RATIO = 500D / (661.5D * 3D);
-    private static final double INVOICE_STAMP_X_RATIO = (500D + 661.5D * 3D * 0.15D + 80D) / (661.5D * 3D);
-    private static final double INVOICE_STAMP_BOTTOM_MARGIN_RATIO = 50D / (359.1D * 3D);
+    private static final double CSS_PX_PER_CM = 96D / 2.54D;
+    private static final double INVOICE_WIDTH_CSS_PX = 17.5D * CSS_PX_PER_CM;
+    private static final double INVOICE_HEIGHT_CSS_PX = 9.5D * CSS_PX_PER_CM;
+    private static final double INVOICE_TABLE_WIDTH_CSS_PX = 15D * CSS_PX_PER_CM;
+    private static final double INVOICE_STAMP_WIDTH_RATIO = 2.5D * 0.8D / 17.5D;
+    private static final double INVOICE_STAMP_X_RATIO = ((INVOICE_WIDTH_CSS_PX - INVOICE_TABLE_WIDTH_CSS_PX) / 2D + 140D) / INVOICE_WIDTH_CSS_PX;
+    private static final double INVOICE_STAMP_Y_RATIO = (24D + 36D + 24D + 4D + 4.5D * CSS_PX_PER_CM - 8D) / INVOICE_HEIGHT_CSS_PX;
 
     private final FlowUtil flowUtil;
 
@@ -478,7 +482,7 @@ public class WalletRechargeInvoiceServiceImpl extends ServiceImpl<WalletRecharge
             g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
             g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
             int x = (int) Math.round(baseMapWidth * INVOICE_STAMP_X_RATIO);
-            int y = baseMapHeight - stampHeight - (int) Math.round(baseMapHeight * INVOICE_STAMP_BOTTOM_MARGIN_RATIO);
+            int y = (int) Math.round(baseMapHeight * INVOICE_STAMP_Y_RATIO);
             x = clamp(x, 0, baseMapWidth - stampWidth);
             y = clamp(y, 0, baseMapHeight - stampHeight);
             g2d.drawImage(scaledStamp, x, y, null);