diff --git a/src/main/java/com/nbport/zgwl/contractlaunch/dto/ContractLaunchDto.java b/src/main/java/com/nbport/zgwl/contractlaunch/dto/ContractLaunchDto.java
index 089facd..004c6e9 100644
--- a/src/main/java/com/nbport/zgwl/contractlaunch/dto/ContractLaunchDto.java
+++ b/src/main/java/com/nbport/zgwl/contractlaunch/dto/ContractLaunchDto.java
@@ -121,6 +121,12 @@ public class ContractLaunchDto implements Serializable {
     /** 计价方式（0:无金额, 1:固定总价, 2:预估总价, 3:无法预估总价, 4:固定单价） */
     private String valuationMode;
 
+    /** 是否需修订条款（1:是, 0:否） */
+    private String needAmendments;
+
+    /** 预估金额（计价方式为预估总价时填写） */
+    private Double estimatedAmount;
+
     // ==================== 签署相关 ====================
 
     /** 签订方式（GZ:公章, HTZYZ:合同专用章, 等） */
diff --git a/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchServiceImpl.java b/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchServiceImpl.java
index f876c70..8a2d2dc 100644
--- a/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchServiceImpl.java
+++ b/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchServiceImpl.java
@@ -600,6 +600,8 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
         target.setPrimaryContent(source.getPrimaryContent());
         target.setAmountExplain(source.getAmountExplain());
         target.setValuationMode(source.getValuationMode());
+        target.setNeedAmendments(source.getNeedAmendments());
+        target.setEstimatedAmount(source.getEstimatedAmount());
         target.setSealType(source.getSealType());
         target.setTextSource(source.getTextSource());
         target.setMandateType(source.getMandateType());
@@ -881,6 +883,7 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
         contract.setPaymentMethod(trim(contract.getPaymentMethod()));
         contract.setPrimaryContent(trim(contract.getPrimaryContent()));
         contract.setAmountExplain(trim(contract.getAmountExplain()));
+        contract.setNeedAmendments(trim(contract.getNeedAmendments()));
         contract.setAssistDepartmentName(trim(contract.getAssistDepartmentName()));
         contract.setExecutorAccount(trim(contract.getExecutorAccount()));
         contract.setPeriodExplain(trim(contract.getPeriodExplain()));
@@ -891,6 +894,7 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
         contract.setDateType(trim(contract.getDateType()));
         contract.setPushUrl(trim(contract.getPushUrl()));
         contract.setEwAmountType(trim(contract.getEwAmountType()));
+        contract.setBiddingNo(trim(contract.getBiddingNo()));
         if (contract.getDateType() == null || contract.getDateType().isBlank()) {
             contract.setDateType("0");
         }
@@ -903,6 +907,9 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
         if (contract.getPaymentDirection() == null || contract.getPaymentDirection().isBlank()) {
             contract.setPaymentDirection("0");
         }
+        if (contract.getNeedAmendments() == null || contract.getNeedAmendments().isBlank()) {
+            contract.setNeedAmendments("0");
+        }
         if (contract.getPushUrl() == null || contract.getPushUrl().isBlank()) {
             contract.setPushUrl("/contract/launch/callback/law/approve");
         }
@@ -951,6 +958,9 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
         if (contract.getPartyList() == null || contract.getPartyList().isEmpty()) {
             throw new ServiceException("至少需要维护一个合同方");
         }
+        if ("2".equals(contract.getValuationMode()) && contract.getEstimatedAmount() == null) {
+            throw new ServiceException("预估总价合同必须填写预估金额");
+        }
         boolean hasPartyA = contract.getPartyList().stream().anyMatch(item -> "A".equalsIgnoreCase(item.getRoleCode()));
         boolean hasCounterparty = contract.getPartyList().stream().anyMatch(item -> !"A".equalsIgnoreCase(item.getRoleCode()));
         if (!hasPartyA) {
@@ -959,6 +969,17 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
         if (!hasCounterparty) {
             throw new ServiceException("至少维护一个相对方");
         }
+        if (Integer.valueOf(1).equals(contract.getIsOpenBidding())
+                && (contract.getBiddingNo() == null || contract.getBiddingNo().isBlank())) {
+            throw new ServiceException("公开招标时必须填写关联招标号");
+        }
+        if (requiresAuthAttachment(contract.getSealType())
+                && (contract.getFileList() == null || contract.getFileList().stream().noneMatch(item ->
+                ContractLaunchConstants.FILE_CATEGORY_AUTH.equals(item.getFileCategory())
+                        && item.getFilePath() != null
+                        && !item.getFilePath().isBlank()))) {
+            throw new ServiceException("当前签订方式必须上传授权委托书附件");
+        }
     }
 
     private boolean canEdit(String status) {
@@ -1109,11 +1130,15 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
         payload.put("c_weNames", contract.getSigningSubjectCode() != null && !contract.getSigningSubjectCode().isBlank()
                 ? contract.getSigningSubjectCode()
                 : contract.getOrgId());
-        // TODO: c_oppositeNames 应传集团返回的相对方ID，多个用逗号分隔，当前暂时传摘要占位
-        payload.put("c_oppositeNames", contract.getCounterpartySummary());
+        payload.put("c_oppositeNames", contract.getPartyList().stream()
+                .filter(item -> !"A".equalsIgnoreCase(item.getRoleCode()))
+                .map(item -> item.getOppositeId() != null && !item.getOppositeId().isBlank()
+                        ? item.getOppositeId()
+                        : item.getPartnerId() == null ? null : String.valueOf(item.getPartnerId()))
+                .filter(Objects::nonNull)
+                .collect(Collectors.joining(",")));
         payload.put("c_textSource", contract.getTextSource());
-        // c_needAmendments（是否需修订条款）：DTO 暂无此字段，默认传 0（否）
-        payload.put("c_needAmendments", "0");
+        payload.put("c_needAmendments", contract.getNeedAmendments());
         payload.put("c_mainContent", contract.getPrimaryContent());
         payload.put("c_direction", contract.getPaymentDirection());
         payload.put("c_method", contract.getValuationMode());
@@ -1124,8 +1149,7 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
             payload.put("c_subjectAMT", null);
         }
         payload.put("c_currency", contract.getCurrencyName());
-        // TODO: c_estimatedAMT（预估金额）DTO 暂无此字段，计价方式=预估总价时需传
-        payload.put("c_estimatedAMT", null);
+        payload.put("c_estimatedAMT", "2".equals(contract.getValuationMode()) ? contract.getEstimatedAmount() : null);
         payload.put("c_amountExplain", contract.getAmountExplain());
         // 额外金额
         payload.put("c_additional", contract.getEwAmountType());
@@ -1151,8 +1175,7 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
         payload.put("c_currentBudget", contract.getIsYearBudget());
         payload.put("c_major", contract.getIsMajorContract());
         payload.put("c_signMethod", contract.getSealType());
-        // TODO: c_authAttachs（授权委托书附件）当前暂无此数据，传空数组
-        payload.put("c_authAttachs", Collections.emptyList());
+        payload.put("c_authAttachs", buildCollectionFilePayloadList(contract, ContractLaunchConstants.FILE_CATEGORY_AUTH));
         payload.put("c_creator", contract.getInitiator());
         payload.put("c_creatorPhone", contract.getCreatorPhone());
         payload.put("c_createDept", contract.getInitiatorDept());
@@ -1183,6 +1206,10 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
         return payload;
     }
 
+    private boolean requiresAuthAttachment(String sealType) {
+        return "GZBSQRQZ".equals(sealType) || "HTZYZBSQRQZ".equals(sealType);
+    }
+
     /** 构建归档报文（pushArchive 接口的 payload） */
     private Map<String, Object> buildArchivePayload(ContractLaunchDto contract, ContractLaunchArchiveDto archiveDto) {
         Map<String, Object> payload = new LinkedHashMap<>();
diff --git a/src/main/java/com/nbport/zgwl/contractlaunch/utils/ContractLaunchConstants.java b/src/main/java/com/nbport/zgwl/contractlaunch/utils/ContractLaunchConstants.java
index a418d1f..ab7fffa 100644
--- a/src/main/java/com/nbport/zgwl/contractlaunch/utils/ContractLaunchConstants.java
+++ b/src/main/java/com/nbport/zgwl/contractlaunch/utils/ContractLaunchConstants.java
@@ -29,6 +29,7 @@ public final class ContractLaunchConstants {
     public static final String FILE_CATEGORY_BODY = "body";
     public static final String FILE_CATEGORY_OTHER = "other";
     public static final String FILE_CATEGORY_GIST = "gist";
+    public static final String FILE_CATEGORY_AUTH = "auth";
     public static final String FILE_CATEGORY_SIGNED = "signed";
     public static final String FILE_CATEGORY_ARCHIVE = "archive";
 
diff --git a/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml b/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml
index 3b10884..5436f63 100644
--- a/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml
+++ b/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml
@@ -31,6 +31,8 @@
         <result property="primaryContent" column="PRIMARY_CONTENT"/>
         <result property="amountExplain" column="AMOUNT_EXPLAIN"/>
         <result property="valuationMode" column="VALUATION_MODE"/>
+        <result property="needAmendments" column="NEED_AMENDMENTS"/>
+        <result property="estimatedAmount" column="ESTIMATED_AMOUNT"/>
         <result property="sealType" column="SEAL_TYPE"/>
         <result property="textSource" column="TEXT_SOURCE"/>
         <result property="mandateType" column="MANDATE_TYPE"/>
@@ -248,7 +250,7 @@
             TEMPLATE_ID, TEMPLATE_CODE, TEMPLATE_NAME, STATUS, APPROVE_STATUS, APPROVE_MESSAGE,
             SEAL_CONTRACT_ID, SEAL_CONTRACT_STATUS, CONTRACT_AMOUNT, CURRENCY_NAME,
             CONTRACT_PERIOD_TYPE, PERIOD_EXPLAIN, EFFECTIVE_START, EFFECTIVE_END,
-            PAYMENT_METHOD, PRIMARY_CONTENT, AMOUNT_EXPLAIN, VALUATION_MODE, SEAL_TYPE,
+            PAYMENT_METHOD, PRIMARY_CONTENT, AMOUNT_EXPLAIN, VALUATION_MODE, NEED_AMENDMENTS, ESTIMATED_AMOUNT, SEAL_TYPE,
             TEXT_SOURCE, MANDATE_TYPE, CARGO_TYPE, ASSIST_DEPARTMENT_NAME, EXECUTOR_ACCOUNT,
             CREATOR_PHONE, SELF_CODE, MAIN_CONTRACT_CODE, SIGNING_SUBJECT_CODE, DATE_TYPE, IS_ADDIT, IS_ELECTRON,
             PAYMENT_DIRECTION, PUSH_URL, IS_MAJOR_CONTRACT, IS_OPEN_BIDDING, IS_YEAR_BUDGET, IS_SHARE,
@@ -268,7 +270,7 @@
             #{templateId}, #{templateCode}, #{templateName}, #{status}, #{approveStatus}, #{approveMessage},
             #{sealContractId}, #{sealContractStatus}, #{contractAmount}, #{currencyName},
             #{contractPeriodType}, #{periodExplain}, #{effectiveStart}, #{effectiveEnd},
-            #{paymentMethod}, #{primaryContent}, #{amountExplain}, #{valuationMode}, #{sealType},
+            #{paymentMethod}, #{primaryContent}, #{amountExplain}, #{valuationMode}, #{needAmendments}, #{estimatedAmount}, #{sealType},
             #{textSource}, #{mandateType}, #{cargoType}, #{assistDepartmentName}, #{executorAccount},
             #{creatorPhone}, #{selfCode}, #{mainContractCode}, #{signingSubjectCode}, #{dateType}, #{isAddit}, #{isElectron},
             #{paymentDirection}, #{pushUrl}, #{isMajorContract}, #{isOpenBidding}, #{isYearBudget}, #{isShare},
@@ -313,6 +315,8 @@
             PRIMARY_CONTENT = #{primaryContent},
             AMOUNT_EXPLAIN = #{amountExplain},
             VALUATION_MODE = #{valuationMode},
+            NEED_AMENDMENTS = #{needAmendments},
+            ESTIMATED_AMOUNT = #{estimatedAmount},
             SEAL_TYPE = #{sealType},
             TEXT_SOURCE = #{textSource},
             MANDATE_TYPE = #{mandateType},
diff --git a/zgwl_contract_launch_collect_patch_oracle.sql b/zgwl_contract_launch_collect_patch_oracle.sql
new file mode 100644
index 0000000..6535fee
--- /dev/null
+++ b/zgwl_contract_launch_collect_patch_oracle.sql
@@ -0,0 +1,24 @@
+DECLARE
+    v_count NUMBER;
+BEGIN
+    SELECT COUNT(1)
+      INTO v_count
+      FROM USER_TAB_COLUMNS
+     WHERE TABLE_NAME = 'SEAL_CONTRACT_LAUNCH_MAIN'
+       AND COLUMN_NAME = 'NEED_AMENDMENTS';
+    IF v_count = 0 THEN
+        EXECUTE IMMEDIATE 'ALTER TABLE SEAL_CONTRACT_LAUNCH_MAIN ADD NEED_AMENDMENTS VARCHAR2(4 CHAR) DEFAULT ''0''';
+        EXECUTE IMMEDIATE 'COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.NEED_AMENDMENTS IS ''是否需修订条款：1是 0否''';
+    END IF;
+
+    SELECT COUNT(1)
+      INTO v_count
+      FROM USER_TAB_COLUMNS
+     WHERE TABLE_NAME = 'SEAL_CONTRACT_LAUNCH_MAIN'
+       AND COLUMN_NAME = 'ESTIMATED_AMOUNT';
+    IF v_count = 0 THEN
+        EXECUTE IMMEDIATE 'ALTER TABLE SEAL_CONTRACT_LAUNCH_MAIN ADD ESTIMATED_AMOUNT NUMBER(20, 2)';
+        EXECUTE IMMEDIATE 'COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.ESTIMATED_AMOUNT IS ''预估金额''';
+    END IF;
+END;
+/
diff --git a/zgwl_contract_launch_oracle.sql b/zgwl_contract_launch_oracle.sql
index e7cbf8d..7f5220a 100644
--- a/zgwl_contract_launch_oracle.sql
+++ b/zgwl_contract_launch_oracle.sql
@@ -115,6 +115,8 @@ CREATE TABLE SEAL_CONTRACT_LAUNCH_MAIN (
     PRIMARY_CONTENT VARCHAR2(2000 CHAR),
     AMOUNT_EXPLAIN VARCHAR2(2000 CHAR),
     VALUATION_MODE VARCHAR2(10 CHAR),
+    NEED_AMENDMENTS VARCHAR2(4 CHAR) DEFAULT '0',
+    ESTIMATED_AMOUNT NUMBER(20, 2),
     SEAL_TYPE VARCHAR2(50 CHAR),
     TEXT_SOURCE VARCHAR2(50 CHAR),
     MANDATE_TYPE VARCHAR2(50 CHAR),
@@ -299,6 +301,8 @@ COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.PAYMENT_METHOD IS '付款方式';
 COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.PRIMARY_CONTENT IS '合同主要内容';
 COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.AMOUNT_EXPLAIN IS '金额说明';
 COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.VALUATION_MODE IS '计价方式';
+COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.NEED_AMENDMENTS IS '是否需修订条款：1是 0否';
+COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.ESTIMATED_AMOUNT IS '预估金额';
 COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.SEAL_TYPE IS '签订方式';
 COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.TEXT_SOURCE IS '文本来源';
 COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.MANDATE_TYPE IS '委托类型';