diff --git a/src/main/java/com/nbport/zgwl/contractlaunch/dto/ContractLaunchQueryDto.java b/src/main/java/com/nbport/zgwl/contractlaunch/dto/ContractLaunchQueryDto.java
index ba57dcf..163b8b6 100644
--- a/src/main/java/com/nbport/zgwl/contractlaunch/dto/ContractLaunchQueryDto.java
+++ b/src/main/java/com/nbport/zgwl/contractlaunch/dto/ContractLaunchQueryDto.java
@@ -23,7 +23,7 @@ public class ContractLaunchQueryDto extends BasePageDto implements Serializable
     /** 合同编号 */
     private String contractCode;
 
-    /** 合同类型 */
+    /** 合同类型编码 */
     private String contractType;
 
     /** 状态（draft/reviewing/rejected/pending_sign/signing/pending_collect/pending_archive/completed） */
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 8ee8713..896bf91 100644
--- a/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchServiceImpl.java
+++ b/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchServiceImpl.java
@@ -749,6 +749,9 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
             ContractLaunchPartyDto target = new ContractLaunchPartyDto();
             target.setRoleCode(source.getRoleCode());
             target.setRoleName(source.getRoleName());
+            // subjectCode 虽然不单独落 party 子表，但复制/变更草稿时仍需沿用，
+            // 否则后续“我方主体必须包含当前登录主体”校验会误判失败。
+            target.setSubjectCode(source.getSubjectCode());
             target.setPartnerId(source.getPartnerId());
             target.setOppositeId(source.getOppositeId());
             target.setCompanyName(source.getCompanyName());
@@ -1302,7 +1305,7 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
                 .filter(this::isOppositeParty)
                 .map(item -> {
                     Map<String, Object> map = new LinkedHashMap<>();
-                    map.put("oppCharacter", "2".equals(item.getOppositeCharacter()) ? "ZZR" : "QY");
+                    map.put("oppCharacter", "2".equals(item.getOppositeCharacter()) || "4".equals(item.getOppositeCharacter()) ? "ZZR" : "QY");
                     map.put("credirCode", item.getCreditCode());
                     map.put("idCard", item.getNaturalPersonIdNumber());
                     map.put("oppositeName", item.getCompanyName());
@@ -1335,9 +1338,7 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
         payload.put("c_weNames", resolveSigningSubjectCodes(contract));
         payload.put("c_oppositeNames", contract.getPartyList().stream()
                 .filter(this::isOppositeParty)
-                .map(item -> item.getOppositeId() != null && !item.getOppositeId().isBlank()
-                        ? item.getOppositeId()
-                        : item.getPartnerId() == null ? null : String.valueOf(item.getPartnerId()))
+                .map(ContractLaunchPartyDto::getOppositeId)
                 .filter(Objects::nonNull)
                 .collect(Collectors.joining(",")));
         payload.put("c_textSource", contract.getTextSource());
diff --git a/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml b/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml
index 56b4caf..929caae 100644
--- a/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml
+++ b/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml
@@ -246,7 +246,7 @@
                 and CONTRACT_CODE like CONCAT(CONCAT('%', #{query.contractCode}), '%')
             </if>
             <if test="query.contractType != null and query.contractType != ''">
-                and CONTRACT_TYPE = #{query.contractType}
+                and CONTRACT_TYPE_CODE = #{query.contractType}
             </if>
             <if test="query.status != null and query.status != ''">
                 and STATUS = #{query.status}