diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/invoice/AbstractInvoice.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/invoice/AbstractInvoice.java
index 4a137384e..50deecae8 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/invoice/AbstractInvoice.java
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/invoice/AbstractInvoice.java
@@ -11,7 +11,6 @@ import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.math.BigDecimal;
-import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Date;
 import java.util.HashMap;
@@ -171,6 +170,7 @@ public abstract class AbstractInvoice<E, F, G, H, I> {
             
             // si le nombre de lignes de data rentre dans 1 page A4
              if(data.size() < 44) {
+                // Fit in A4 page"
                 if(TOTAL_ROW > LAST_ROW + 3) { // s'il ne reste pas assez de place pour le footer
                     // on shift le footer à la page suivante (total + signature etc..)
                     sheet.shiftRows(startRow, fileLastRow, PAGE_ROW_MAX - LAST_ROW - 1, true, false);
@@ -186,12 +186,14 @@ public abstract class AbstractInvoice<E, F, G, H, I> {
             }
             else {// on dépasse forcément le format A4 d'un PDF
                 if(((TOTAL_ROW - 44) % 63) < 13) {
+                    // Not enough space for footer
                     sheet.shiftRows(startRow, fileLastRow, TOTAL_ROW - LAST_ROW + ((TOTAL_ROW-44)%63), true, false);
                     footerRow = additionalRowNum + ((TOTAL_ROW-44)%63) + 1;
                     imgShift = TOTAL_ROW-44 + ((TOTAL_ROW-44)%63) -1;
                     TOTAL_ROW += ((TOTAL_ROW-44)%63) + 1;
                 }
                 else {
+                    // Enough space for footer
                     sheet.shiftRows(startRow, fileLastRow, TOTAL_ROW - LAST_ROW, true, false);
                     footerRow = TOTAL_ROW - LAST_ROW +1;
                 }
@@ -254,6 +256,7 @@ public abstract class AbstractInvoice<E, F, G, H, I> {
         if(data.size() > dataRowNumber)
         {
             org.apache.poi.ss.usermodel.Row totalRow;
+            // Si ça pète c'est surement ici
             if(additionalRowNum%PAGE_ROW_MAX <= 13)
                 totalRow = sheet.getRow(TOTAL_ROW-1);
             else
@@ -322,18 +325,11 @@ public abstract class AbstractInvoice<E, F, G, H, I> {
             totalDueCellStyle.setBorderTop(BorderStyle.THIN);
             totalDueCellStyle.setFont(arialBold);
 
-            if(((LAST_ROW+additionalRowNum - 44) % 63) < 13 && ((LAST_ROW+additionalRowNum - 44) % 63) > 0) {
-                totalDueRow = sheet.getRow( data.size() < 44 ? PAGE_ROW_MAX + 1 : TOTAL_ROW + 1);
-                Cell totalDueCell = totalDueRow.createCell(7);
-                totalDueCell.setCellFormula("H" + (TOTAL_ROW) + "-G" + (TOTAL_ROW));
-                totalDueCell.setCellStyle(totalDueCellStyle);
-            }
-            else {
-                totalDueRow = sheet.getRow(data.size() < 44 ? TOTAL_ROW + 1 : TOTAL_ROW + 2);
-                Cell totalDueCell = totalDueRow.createCell(7);
-                totalDueCell.setCellFormula("H" + (data.size() < 44 ? TOTAL_ROW : TOTAL_ROW + 1) + "-G" + (data.size() < 44 ? TOTAL_ROW : TOTAL_ROW + 1));
-                totalDueCell.setCellStyle(totalDueCellStyle);
-            }
+            // Si ça pète c'est pas là
+            totalDueRow = sheet.getRow( totalRow.getRowNum() + 2);
+            Cell totalDueCell = totalDueRow.createCell(7);
+            totalDueCell.setCellFormula("H" + (totalRow.getRowNum() + 1) + "-G" + (totalRow.getRowNum()) + 1);
+            totalDueCell.setCellStyle(totalDueCellStyle);
         }
 
         if (targetClient.getCurrency().equals("USD")) {
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/logistic/CostTrialCalculation.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/logistic/CostTrialCalculation.java
index 9a5cdc5bf..0e6a3f34f 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/logistic/CostTrialCalculation.java
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/logistic/CostTrialCalculation.java
@@ -24,6 +24,9 @@ public class CostTrialCalculation {
     @JsonFormat(timezone = "GMT+8", pattern = "yyyy-MM-dd")
     private final Date effectiveDate;
 
+    @JsonFormat(timezone = "GMT+8", pattern = "yyyy-MM-dd")
+    private final Date previousEffectiveDate;
+
     private final BigDecimal unitPrice;
 
     private final BigDecimal shippingCost;
@@ -44,7 +47,7 @@ public class CostTrialCalculation {
 
     private CostTrialCalculation(String countryCode, String logisticsChannelName, String logisticChannelCode,
                                  BigDecimal unitPrice, BigDecimal shippingCost, BigDecimal registrationCost, BigDecimal additionalCost, Date effectiveDate,
-                                 BigDecimal previousUnitPrice,BigDecimal previousShippingCost, BigDecimal previousRegistrationCost, BigDecimal previousAdditionalCost) {
+                                 BigDecimal previousUnitPrice,BigDecimal previousShippingCost, BigDecimal previousRegistrationCost, BigDecimal previousAdditionalCost, Date previousEffectiveDate) {
         this.countryCode = countryCode;
         this.logisticsChannelName = logisticsChannelName;
         this.logisticChannelCode = logisticChannelCode;
@@ -57,12 +60,13 @@ public class CostTrialCalculation {
         this.previousShippingCost = previousShippingCost;
         this.previousRegistrationCost = previousRegistrationCost;
         this.previousAdditionalCost = previousAdditionalCost;
+        this.previousEffectiveDate = previousEffectiveDate;
     }
 
     public CostTrialCalculation(LogisticChannelPrice price, LogisticChannelPrice previousPrice,int weight, String logisticsChannelName, String code) {
         this(price.getEffectiveCountry(), logisticsChannelName, code, price.getCalUnitPrice(), price.calculateShippingPrice(BigDecimal.valueOf(weight)),
                 price.getRegistrationFee(), price.getAdditionalCost(), price.getEffectiveDate(),
-                previousPrice.getCalUnitPrice(), previousPrice.calculateShippingPrice(BigDecimal.valueOf(weight)), previousPrice.getRegistrationFee(), previousPrice.getAdditionalCost()
+                previousPrice.getCalUnitPrice(), previousPrice.calculateShippingPrice(BigDecimal.valueOf(weight)), previousPrice.getRegistrationFee(), previousPrice.getAdditionalCost(), previousPrice.getEffectiveDate()
         );
     }
 
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/LogisticChannelPriceMapper.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/LogisticChannelPriceMapper.java
index 955969d8f..72e63e9ac 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/LogisticChannelPriceMapper.java
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/LogisticChannelPriceMapper.java
@@ -39,6 +39,11 @@ public interface LogisticChannelPriceMapper extends BaseMapper<LogisticChannelPr
             @Param("date") Date shippingTime,
             @Param("trueWeight") BigDecimal weight,
             @Param("countryList") List<String> countryList);
+    LogisticChannelPrice findPrevious(
+            @Param("channelName") String channelName,
+            @Param("date") Date shippingTime,
+            @Param("trueWeight") BigDecimal weight,
+            @Param("countryList") List<String> countryList);
 
     /**
      * Find logistic channel price by indicating platform order's shipping time
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/xml/LogisticChannelPriceMapper.xml b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/xml/LogisticChannelPriceMapper.xml
index a36890c23..83cc06ce9 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/xml/LogisticChannelPriceMapper.xml
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/xml/LogisticChannelPriceMapper.xml
@@ -33,8 +33,71 @@
           AND effective_date &lt;= #{date}
           AND active = 1
         ORDER BY effective_date DESC
-        LIMIT 2    </select>
-
+        LIMIT 2
+    </select>
+    <select id="findPrevious" resultType="org.jeecg.modules.business.entity.LogisticChannelPrice">
+        WITH current_price AS
+            (
+            SELECT lcp.*
+            FROM logistic_channel_price lcp
+            JOIN logistic_channel lc ON lc.id = lcp.channel_id
+            WHERE zh_name = #{channelName}
+            AND weight_range_start &lt;= #{trueWeight}
+            AND weight_range_end &gt;= #{trueWeight}
+            AND effective_country IN
+            <foreach collection="countryList"
+                     separator=","
+                     open="("
+                     close=")"
+                     index="index"
+                     item="country"
+            >
+                #{country}
+            </foreach>
+            AND effective_date &lt;= #{date}
+            AND active = 1
+            ORDER BY effective_date DESC
+            LIMIT 1
+            )
+        SELECT lcp.*
+        FROM logistic_channel_price lcp
+        JOIN logistic_channel lc ON lc.id = lcp.channel_id
+        WHERE lc.zh_name = #{channelName}
+        AND weight_range_start &lt;= #{trueWeight}
+        AND weight_range_end &gt;= #{trueWeight}
+        AND effective_country IN
+        <foreach collection="countryList"
+                 separator=","
+                 open="("
+                 close=")"
+                 index="index"
+                 item="country"
+        >#{country}
+        </foreach>
+        AND effective_date &lt;= #{date}
+        AND active = 1
+        AND (
+                lcp.cal_unit_price != (
+                SELECT cal_unit_price
+                FROM current_price
+                WHERE effective_country = lcp.effective_country
+                )
+                OR
+                lcp.registration_fee != (
+                SELECT registration_fee
+                FROM current_price
+                WHERE effective_country = lcp.effective_country
+                )
+                OR
+                lcp.picking_fee_per_item != (
+                SELECT picking_fee_per_item
+                FROM current_price
+                WHERE effective_country = lcp.effective_country
+                )
+            )
+        ORDER BY effective_date DESC
+        LIMIT 1;
+    </select>
     <select id="findPricesBy" resultType="org.jeecg.modules.business.entity.LogisticChannelPrice">
         SELECT lcp.id, lcp.create_by, lcp.create_time, lcp.update_by, lcp.update_time,
         lc.id AS channel_id, effective_date, effective_country,
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/xml/ShippingInvoiceMapper.xml b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/xml/ShippingInvoiceMapper.xml
index 70a4f45ab..a959f6dd8 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/xml/ShippingInvoiceMapper.xml
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/mapper/xml/ShippingInvoiceMapper.xml
@@ -7,7 +7,7 @@
         FROM client c
             JOIN shop s ON c.id = s.owner_id
             JOIN platform_order po on s.id = po.shop_id
-        WHERE po.shipping_invoice_number = #{invoiceNumber}
+        WHERE po.shipping_invoice_number = #{invoiceNumber} OR po.purchase_invoice_number = #{invoiceNumber};
     </select>
     <select id="fetchShippingInvoiceId" resultType="java.lang.String">
         SELECT id
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/service/PlatformOrderShippingInvoiceService.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/service/PlatformOrderShippingInvoiceService.java
index 421de7b6c..2ae620c0b 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/service/PlatformOrderShippingInvoiceService.java
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/service/PlatformOrderShippingInvoiceService.java
@@ -1,8 +1,6 @@
 package org.jeecg.modules.business.service;
 
-import com.aspose.cells.PdfSaveOptions;
-import com.aspose.cells.SaveFormat;
-import com.aspose.cells.Workbook;
+import com.aspose.cells.*;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.shiro.SecurityUtils;
@@ -786,6 +784,19 @@ public class PlatformOrderShippingInvoiceService {
             saveOptions.setDefaultFont("Arial");
             saveOptions.setCheckWorkbookDefaultFont(false);
             Workbook workbook = new Workbook(excelFilePath);
+            Worksheet sheet = workbook.getWorksheets().get(0);
+            // get number of lines
+            Cells cells = sheet.getCells();
+            int maxRow = cells.getMaxDataRow();
+            PageSetup pageSetup = sheet.getPageSetup();
+            // Setting the number of pages to which the length of the worksheet will
+            if(maxRow < 63) {
+                // be spanned
+                pageSetup.setFitToPagesTall(1);
+
+                // Setting the number of pages to which the width of the worksheet will be spanned
+                pageSetup.setFitToPagesWide(1);
+            }
             // On enregistre le document au format PDF
             workbook.save(pdfFilePath, saveOptions);
             return pdfFilePath;
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/service/impl/LogisticChannelServiceImpl.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/service/impl/LogisticChannelServiceImpl.java
index 83ac17176..d6d8f3f3f 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/service/impl/LogisticChannelServiceImpl.java
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/service/impl/LogisticChannelServiceImpl.java
@@ -79,7 +79,22 @@ public class LogisticChannelServiceImpl extends ServiceImpl<LogisticChannelMappe
 
     @Override
     public List<LogisticChannelPrice> findLogisticsChannelPrice(String channelName, Date date, int trueWeight, List<String> countryList) {
-        return logisticChannelPriceMapper.findBy(channelName, new java.util.Date(), BigDecimal.valueOf(trueWeight), countryList);
+        List<LogisticChannelPrice> priceList = new ArrayList<>();
+        List<LogisticChannelPrice> currentPriceList = logisticChannelPriceMapper.findBy(channelName, new java.util.Date(), BigDecimal.valueOf(trueWeight), countryList);
+        LogisticChannelPrice currentPrice = currentPriceList.stream()
+                .max(Comparator.comparing(LogisticChannelPrice::getEffectiveDate))
+                .orElse(null);
+        if(currentPrice != null) {
+            priceList.add(currentPrice);
+            LogisticChannelPrice previousPrice = logisticChannelPriceMapper.findPrevious(channelName, new java.util.Date(), BigDecimal.valueOf(trueWeight), countryList);
+            if(previousPrice != null) {
+                priceList.add(previousPrice);
+            } else {
+                currentPriceList.stream()
+                        .min(Comparator.comparing(LogisticChannelPrice::getEffectiveDate)).ifPresent(priceList::add);
+            }
+        }
+        return priceList;
     }
 
     @Override
@@ -99,6 +114,8 @@ public class LogisticChannelServiceImpl extends ServiceImpl<LogisticChannelMappe
                         trueWeight = weight;
                     }
                     List<LogisticChannelPrice> priceList = findLogisticsChannelPrice(channelName, new Date(), trueWeight, countryList);
+                    System.out.println("Price list for " + channelName + " is : ");
+                    System.out.println(priceList);
                     LogisticChannelPrice price = priceList.stream()
                             .max(Comparator.comparing(LogisticChannelPrice::getEffectiveDate))
                             .orElse(null);