diff --git a/backend/services/planting-service/src/infrastructure/pdf/pdf-generator.service.ts b/backend/services/planting-service/src/infrastructure/pdf/pdf-generator.service.ts
index 54b6bb1c..b5b67951 100644
--- a/backend/services/planting-service/src/infrastructure/pdf/pdf-generator.service.ts
+++ b/backend/services/planting-service/src/infrastructure/pdf/pdf-generator.service.ts
@@ -1,7 +1,7 @@
 import { Injectable, Logger } from '@nestjs/common';
 import * as fs from 'fs';
 import * as path from 'path';
-import { PDFDocument, PDFFont, rgb } from 'pdf-lib';
+import { PDFDocument, PDFFont /* , rgb */ } from 'pdf-lib';
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const fontkit = require('@pdf-lib/fontkit');
@@ -16,12 +16,104 @@ const FORM_FIELDS = {
   USER_ID_CARD: 'userIdCard',
   USER_PHONE: 'userPhone',
   TREE_COUNT: 'treeCount',
+  TOTAL_AMOUNT: 'totalAmount',               // 认种金额（数字）
+  TOTAL_AMOUNT_CHINESE: 'totalAmountChinese', // 认种金额（大写）
+  GREEN_POINTS_AMOUNT: 'greenPointsAmount',   // 绿积分金额
   SIGN_YEAR: 'signYear',
   SIGN_MONTH: 'signMonth',
   SIGN_DAY: 'signDay',
   SIGNATURE: 'signature', // 签名图片按钮字段
 } as const;
 
+/**
+ * 数字转中文大写金额
+ * @param num 数字金额
+ * @returns 中文大写金额字符串
+ */
+function numberToChineseAmount(num: number): string {
+  if (num === 0) return '零元整';
+
+  const digits = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];
+  const units = ['', '拾', '佰', '仟'];
+  const bigUnits = ['', '万', '亿', '兆'];
+
+  // 分离整数和小数部分
+  const [integerPart, decimalPart] = num.toFixed(2).split('.');
+  const intNum = parseInt(integerPart, 10);
+  const jiao = parseInt(decimalPart[0], 10); // 角
+  const fen = parseInt(decimalPart[1], 10);  // 分
+
+  let result = '';
+
+  // 处理整数部分
+  if (intNum > 0) {
+    const intStr = intNum.toString();
+    const len = intStr.length;
+    let zeroFlag = false; // 是否需要补零
+
+    for (let i = 0; i < len; i++) {
+      const digit = parseInt(intStr[i], 10);
+      const unitIndex = (len - i - 1) % 4;
+      const bigUnitIndex = Math.floor((len - i - 1) / 4);
+
+      if (digit === 0) {
+        zeroFlag = true;
+        // 在万、亿位置需要加单位
+        if (unitIndex === 0 && bigUnitIndex > 0) {
+          // 检查这个大单位区间是否全为零
+          const start = Math.max(0, i - 3);
+          let allZero = true;
+          for (let j = start; j <= i; j++) {
+            if (parseInt(intStr[j], 10) !== 0) {
+              allZero = false;
+              break;
+            }
+          }
+          if (!allZero) {
+            result += bigUnits[bigUnitIndex];
+          }
+        }
+      } else {
+        if (zeroFlag) {
+          result += digits[0]; // 补零
+          zeroFlag = false;
+        }
+        result += digits[digit] + units[unitIndex];
+        if (unitIndex === 0) {
+          result += bigUnits[bigUnitIndex];
+        }
+      }
+    }
+    result += '元';
+  }
+
+  // 处理小数部分
+  if (jiao === 0 && fen === 0) {
+    result += '整';
+  } else {
+    if (jiao > 0) {
+      result += digits[jiao] + '角';
+    } else if (intNum > 0) {
+      result += '零';
+    }
+    if (fen > 0) {
+      result += digits[fen] + '分';
+    }
+  }
+
+  return result || '零元整';
+}
+
+/**
+ * 单棵榴莲树含税价格（人民币）
+ */
+export const PRICE_PER_TREE_CNY = 17414.1;
+
+/**
+ * 单棵榴莲树绿积分价格
+ */
+export const PRICE_PER_TREE_GREEN_POINTS = 15831;
+
 /**
  * 合同 PDF 生成数据
  */
@@ -31,6 +123,8 @@ export interface ContractPdfData {
   userIdCard: string;
   userPhone: string;
   treeCount: number;
+  totalAmount?: number;        // 认种金额（人民币），可选，默认根据 treeCount 计算
+  greenPointsAmount?: number;  // 绿积分金额，可选
   signingDate: string; // YYYY-MM-DD 格式
 }
 
@@ -100,17 +194,15 @@ export class PdfGeneratorService {
       const fontBytes = fs.readFileSync(this.fontPath);
       const customFont = await pdfDoc.embedFont(fontBytes);
 
-      // 4. 选择填充方式：优先使用表单字段，否则使用坐标定位
-      if (this.hasFormFields(pdfDoc)) {
-        this.logger.log('Using form fields mode');
-        await this.fillFormFields(pdfDoc, data, customFont);
-        // 预览PDF时扁平化所有字段（包括签名字段）
-        const form = pdfDoc.getForm();
-        form.flatten();
-      } else {
-        this.logger.log('Using coordinate mode (no form fields found)');
-        this.fillByCoordinates(pdfDoc, data, customFont);
+      // 4. 使用表单字段填充
+      if (!this.hasFormFields(pdfDoc)) {
+        throw new Error('PDF模板缺少表单字段，请使用带表单字段的模板');
       }
+      this.logger.log('Using form fields mode');
+      await this.fillFormFields(pdfDoc, data, customFont);
+      // 预览PDF时扁平化所有字段（包括签名字段）
+      const form = pdfDoc.getForm();
+      form.flatten();
 
       // 5. 保存 PDF
       const pdfBytes = await pdfDoc.save();
@@ -138,6 +230,12 @@ export class PdfGeneratorService {
     const form = pdfDoc.getForm();
     const [year, month, day] = data.signingDate.split('-');
 
+    // 计算金额：优先使用传入的金额，否则根据棵数计算
+    const totalAmount = data.totalAmount ?? data.treeCount * PRICE_PER_TREE_CNY;
+    const totalAmountChinese = numberToChineseAmount(totalAmount);
+    // 绿积分金额：优先使用传入的金额，否则根据棵数计算（使用绿积分单价）
+    const greenPointsAmount = data.greenPointsAmount ?? data.treeCount * PRICE_PER_TREE_GREEN_POINTS;
+
     // 填充各个字段
     const fieldMappings: Array<{ name: string; value: string }> = [
       { name: FORM_FIELDS.CONTRACT_NO, value: data.contractNo },
@@ -145,6 +243,9 @@ export class PdfGeneratorService {
       { name: FORM_FIELDS.USER_ID_CARD, value: data.userIdCard || '未认证' },
       { name: FORM_FIELDS.USER_PHONE, value: data.userPhone || '未认证' },
       { name: FORM_FIELDS.TREE_COUNT, value: data.treeCount.toString() },
+      { name: FORM_FIELDS.TOTAL_AMOUNT, value: totalAmount.toFixed(2) },
+      { name: FORM_FIELDS.TOTAL_AMOUNT_CHINESE, value: totalAmountChinese },
+      { name: FORM_FIELDS.GREEN_POINTS_AMOUNT, value: greenPointsAmount.toFixed(2) },
       { name: FORM_FIELDS.SIGN_YEAR, value: year },
       { name: FORM_FIELDS.SIGN_MONTH, value: month },
       { name: FORM_FIELDS.SIGN_DAY, value: day },
@@ -156,7 +257,8 @@ export class PdfGeneratorService {
         field.setText(value);
         field.updateAppearances(font);
       } catch (error) {
-        this.logger.warn(`Form field '${name}' not found, skipping`);
+        // 所有字段都是必须的，缺少任何字段都应该报错
+        throw new Error(`PDF模板缺少必需的表单字段: ${name}`);
       }
     }
 
@@ -164,92 +266,6 @@ export class PdfGeneratorService {
     // 签名字段需要保留，待签名嵌入后再统一扁平化
   }
 
-  /**
-   * 使用坐标定位填充 PDF（后备方式）
-   * 坐标需要根据实际 PDF 布局调整
-   */
-  private fillByCoordinates(
-    pdfDoc: PDFDocument,
-    data: ContractPdfData,
-    customFont: PDFFont,
-  ): void {
-    const pages = pdfDoc.getPages();
-    const page1 = pages[0]; // 第1页：协议编号
-    const page2 = pages[1]; // 第2页：乙方信息
-    const page3 = pages[2]; // 第3页：种植期限、认种数量
-    const page6 = pages[5]; // 第6页：签名区域
-
-    const fontSize = 12;
-    const textColor = rgb(0, 0, 0);
-
-    // 填充第1页 - 协议编号（使用合同编号）
-    page1.drawText(data.contractNo, {
-      x: 390,
-      y: 95,
-      size: fontSize,
-      font: customFont,
-      color: textColor,
-    });
-
-    // 填充第2页 - 乙方信息
-    page2.drawText(data.userRealName || '未认证', {
-      x: 155,
-      y: 583,
-      size: fontSize,
-      font: customFont,
-      color: textColor,
-    });
-
-    page2.drawText(data.userIdCard || '未认证', {
-      x: 130,
-      y: 557,
-      size: fontSize,
-      font: customFont,
-      color: textColor,
-    });
-
-    page2.drawText(data.userPhone || '未认证', {
-      x: 130,
-      y: 531,
-      size: fontSize,
-      font: customFont,
-      color: textColor,
-    });
-
-    // 填充第3页 - 认种数量
-    page3.drawText(data.treeCount.toString(), {
-      x: 138,
-      y: 477,
-      size: fontSize,
-      font: customFont,
-      color: textColor,
-    });
-
-    // 填充第6页 - 签约日期
-    const [year, month, day] = data.signingDate.split('-');
-    page6.drawText(year, {
-      x: 290,
-      y: 103,
-      size: fontSize,
-      font: customFont,
-      color: textColor,
-    });
-    page6.drawText(month, {
-      x: 345,
-      y: 103,
-      size: fontSize,
-      font: customFont,
-      color: textColor,
-    });
-    page6.drawText(day, {
-      x: 385,
-      y: 103,
-      size: fontSize,
-      font: customFont,
-      color: textColor,
-    });
-  }
-
   /**
    * 在已生成的 PDF 上嵌入签名
    * @param pdfBuffer 原始 PDF Buffer
@@ -367,13 +383,11 @@ export class PdfGeneratorService {
       const customFont = await pdfDoc.embedFont(fontBytes);
 
       // 4. 填充表单字段（不扁平化）
-      if (this.hasFormFields(pdfDoc)) {
-        this.logger.log('Using form fields mode');
-        await this.fillFormFields(pdfDoc, data, customFont);
-      } else {
-        this.logger.log('Using coordinate mode (no form fields found)');
-        this.fillByCoordinates(pdfDoc, data, customFont);
+      if (!this.hasFormFields(pdfDoc)) {
+        throw new Error('PDF模板缺少表单字段，请使用带表单字段的模板');
       }
+      this.logger.log('Using form fields mode');
+      await this.fillFormFields(pdfDoc, data, customFont);
 
       // 5. 如果有签名，嵌入签名图片到 signature 按钮字段
       if (signature) {
diff --git a/backend/services/planting-service/templates/contract-template.pdf b/backend/services/planting-service/templates/contract-template.pdf
index 44bba373..580f2d27 100644
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diff --git a/榴莲树认种权益协议_发布版_form.pdf b/榴莲树认种权益协议_发布版_form.pdf
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diff --git a/联合种植协议董事长_正式合同_带公章_form.pdf b/联合种植协议董事长_正式合同_带公章_form.pdf
new file mode 100644
index 00000000..580f2d27
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