diff --git a/src/main/java/com/nbport/zgwl/contractlaunch/controller/ContractLaunchController.java b/src/main/java/com/nbport/zgwl/contractlaunch/controller/ContractLaunchController.java
index 753d316..a8d1f08 100644
--- a/src/main/java/com/nbport/zgwl/contractlaunch/controller/ContractLaunchController.java
+++ b/src/main/java/com/nbport/zgwl/contractlaunch/controller/ContractLaunchController.java
@@ -326,6 +326,30 @@ public class ContractLaunchController {
         return R.success(contractLaunchService.saveCollectInfo(id, collectDto));
     }
 
+    /**
+     * 获取相对方签署确认状态。
+     */
+    @GetMapping("/{id}/counterparty-confirm")
+    public R<Map<String, Object>> getCounterpartyConfirm(@PathVariable("id") Long id) {
+        return R.success(contractLaunchService.getCounterpartyConfirmMap(id));
+    }
+
+    /**
+     * 相对方确认已签署完成。
+     *
+     * 请求体：{"companyName": "四川德鑫矿业资源有限公司"}
+     * 后端自动获取当前登录用户信息写入确认记录。
+     */
+    @PostMapping("/{id}/counterparty-confirm")
+    public R<Map<String, Object>> confirmCounterparty(@PathVariable("id") Long id,
+                                                       @RequestBody Map<String, String> body) {
+        String companyName = body.get("companyName");
+        if (companyName == null || companyName.isBlank()) {
+            return R.error("companyName 不能为空");
+        }
+        return R.success(contractLaunchService.confirmCounterparty(id, companyName));
+    }
+
     /**
      * 合同归档。
      *
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 1d1fcc9..d3e40bd 100644
--- a/src/main/java/com/nbport/zgwl/contractlaunch/dto/ContractLaunchDto.java
+++ b/src/main/java/com/nbport/zgwl/contractlaunch/dto/ContractLaunchDto.java
@@ -373,6 +373,11 @@ public class ContractLaunchDto implements Serializable {
     /** 备注 */
     private String remark;
 
+    // ==================== 相对方签署确认 ====================
+
+    /** 相对方签署确认状态JSON：{"公司名": {"confirmed":true, "method":"self"/"manual", "confirmedBy":"xxx", "confirmedAt":"..."}} */
+    private String counterpartyConfirmJson;
+
     // ==================== 子表数据（非数据库字段） ====================
 
     /**
diff --git a/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchService.java b/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchService.java
index 964b11b..315354f 100644
--- a/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchService.java
+++ b/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchService.java
@@ -10,6 +10,8 @@ import com.nbport.zgwl.contractlaunch.dto.ContractLaunchLawCallbackSampleDto;
 import com.nbport.zgwl.contractlaunch.dto.ContractLaunchQueryDto;
 import com.nbport.zgwl.contractlaunch.dto.ContractLaunchSealDto;
 
+import java.util.Map;
+
 public interface ContractLaunchService {
 
     /** 分页查询合同列表 */
@@ -54,6 +56,12 @@ public interface ContractLaunchService {
     /** 保存采集信息（用印+签订信息），用于采集弹窗保存草稿 */
     ContractLaunchDto saveCollectInfo(Long id, ContractLaunchCollectSaveDto collectDto);
 
+    /** 获取相对方签署确认状态 Map */
+    Map<String, Object> getCounterpartyConfirmMap(Long id);
+
+    /** 相对方确认已签署完成 */
+    Map<String, Object> confirmCounterparty(Long id, String companyName);
+
     /** 模拟合同采集（调用数据采集 collectContract 接口，TODO：替换为真实调用） */
     ContractLaunchDto mockCollect(Long id);
 
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 8e6bceb..02962ed 100644
--- a/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchServiceImpl.java
+++ b/src/main/java/com/nbport/zgwl/contractlaunch/service/ContractLaunchServiceImpl.java
@@ -597,6 +597,46 @@ public class ContractLaunchServiceImpl implements ContractLaunchService {
         return getDetail(id);
     }
 
+    @Override
+    public Map<String, Object> getCounterpartyConfirmMap(Long id) {
+        ContractLaunchDto contract = getDetail(id);
+        String raw = contract.getCounterpartyConfirmJson();
+        if (raw == null || raw.isBlank()) {
+            return new LinkedHashMap<>();
+        }
+        return JsonUtils.parseMap(raw);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Map<String, Object> confirmCounterparty(Long id, String companyName) {
+        ContractLaunchDto contract = getDetail(id);
+        SysUserEntity currentUser = adminSecurityManage.getUser();
+        String orgName = currentUser.getSysOrgEntity() == null ? "" : currentUser.getSysOrgEntity().getOrgName();
+        String username = currentUser.getUsername();
+        String mobile = currentUser.getMobilePhone();
+
+        Map<String, Object> confirmMap = getCounterpartyConfirmMap(id);
+
+        Map<String, Object> entry = new LinkedHashMap<>();
+        entry.put("confirmed", true);
+        boolean isSelf = companyName.equals(orgName);
+        entry.put("method", isSelf ? "self" : "manual");
+        entry.put("confirmedBy", username);
+        entry.put("confirmedMobile", mobile);
+        entry.put("confirmedAt", LocalDateTime.now().toString());
+        if (!isSelf) {
+            entry.put("remark", "非本组织相对方，由 " + username + " 代为确认");
+        }
+        confirmMap.put(companyName, entry);
+
+        contract.setCounterpartyConfirmJson(JsonUtils.toJson(confirmMap));
+        contract.setUpdateBy(username);
+        contract.setUpdateTime(LocalDateTime.now());
+        contractLaunchMapper.updateContract(contract);
+        return confirmMap;
+    }
+
     /**
      * 【测试按钮】模拟合同采集。
      */
diff --git a/src/main/java/com/nbport/zgwl/contractlaunch/utils/JsonUtils.java b/src/main/java/com/nbport/zgwl/contractlaunch/utils/JsonUtils.java
index 1ea4b05..b4131b6 100644
--- a/src/main/java/com/nbport/zgwl/contractlaunch/utils/JsonUtils.java
+++ b/src/main/java/com/nbport/zgwl/contractlaunch/utils/JsonUtils.java
@@ -29,8 +29,19 @@ public class JsonUtils {
         try {
             return OBJECT_MAPPER.writeValueAsString(obj);
         } catch (Exception e) {
-            // 序列化失败时返回 toString，保证不报错
             return obj.toString();
         }
     }
+
+    @SuppressWarnings("unchecked")
+    public static java.util.Map<String, Object> parseMap(String json) {
+        if (json == null || json.isBlank()) {
+            return new java.util.LinkedHashMap<>();
+        }
+        try {
+            return OBJECT_MAPPER.readValue(json, java.util.LinkedHashMap.class);
+        } catch (Exception e) {
+            return new java.util.LinkedHashMap<>();
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/nbport/zgwl/controller/AdminDictController.java b/src/main/java/com/nbport/zgwl/controller/AdminDictController.java
index ecb027d..ddddbed 100644
--- a/src/main/java/com/nbport/zgwl/controller/AdminDictController.java
+++ b/src/main/java/com/nbport/zgwl/controller/AdminDictController.java
@@ -57,7 +57,10 @@ public class AdminDictController {
                 new DictDataItem("合同方摘要", "counterpartySummary", "模板变量值，由用户自行维护"),
                 new DictDataItem("附件情况", "attachmentSummary", "模板变量值，由用户自行维护"),
                 new DictDataItem("模板名称", "templateLabel", "模板变量值，由用户自行维护"),
-                new DictDataItem("签署日期", "signDate", "模板变量值，由用户自行维护")
+                new DictDataItem("签署日期", "signDate", "模板变量值，由用户自行维护"),
+                new DictDataItem("A的TAx", "partyATaxNo", "模板变量值，由用户自行维护"),
+                new DictDataItem("B的TAx", "partyBTaxNo", "模板变量值，由用户自行维护")
+
         );
     }
 
diff --git a/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml b/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml
index 95fbe20..c0a3287 100644
--- a/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml
+++ b/src/main/resources/mapper/contractlaunch/ContractLaunchMapper.xml
@@ -92,6 +92,7 @@
         <result property="invoiceDate" column="INVOICE_DATE"/>
         <result property="receiveDate" column="RECEIVE_DATE"/>
         <result property="remindDays" column="REMIND_DAYS"/>
+        <result property="counterpartyConfirmJson" column="COUNTERPARTY_CONFIRM_JSON"/>
         <result property="initiator" column="INITIATOR"/>
         <result property="initiatorDept" column="INITIATOR_DEPT"/>
         <result property="companyName" column="COMPANY_NAME"/>
@@ -211,6 +212,7 @@
                SIGNED_FILE_NAME, SIGNED_FILE_PATH, SIGNED_FILE_TYPE, SIGNED_FILE_SIZE, SIGNED_FILE_URL, SIGNED_OFFLINE_REASON,
                SIGN_DATE, SEAL_DATE, SEAL_IS_SEAL, SEAL_APPROVE_SAME, ACTIVE_DATE, ARCHIVE_DATE, ARCHIVE_RECEIVE_DEPT, ARCHIVE_TRANSFEROR, ARCHIVE_KEEPER, ARCHIVE_KEEPER_UNIT,
                ARCHIVE_KEEPER_UNIT_CODE, INVOICE_DATE, RECEIVE_DATE, REMIND_DAYS,
+               COUNTERPARTY_CONFIRM_JSON,
                INITIATOR, INITIATOR_DEPT, COMPANY_NAME, ORG_ID, QUERY_SCOPE,
                CREATE_BY, CREATE_TIME, UPDATE_BY, UPDATE_TIME, IS_DELETED, REMARK
         from SEAL_CONTRACT_LAUNCH_MAIN
@@ -500,6 +502,7 @@
             INVOICE_DATE = #{invoiceDate},
             RECEIVE_DATE = #{receiveDate},
             REMIND_DAYS = #{remindDays},
+            COUNTERPARTY_CONFIRM_JSON = #{counterpartyConfirmJson},
             INITIATOR = #{initiator},
             INITIATOR_DEPT = #{initiatorDept},
             COMPANY_NAME = #{companyName},
diff --git a/zgwl_contract_launch_archive_v3_patch_oracle.sql b/zgwl_contract_launch_archive_v3_patch_oracle.sql
index 25ffbaf..fac66a0 100644
--- a/zgwl_contract_launch_archive_v3_patch_oracle.sql
+++ b/zgwl_contract_launch_archive_v3_patch_oracle.sql
@@ -224,3 +224,19 @@ BEGIN
     COMMIT;
 END;
 /
+
+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 = 'COUNTERPARTY_CONFIRM_JSON';
+    IF v_count = 0 THEN
+        EXECUTE IMMEDIATE 'ALTER TABLE SEAL_CONTRACT_LAUNCH_MAIN ADD COUNTERPARTY_CONFIRM_JSON VARCHAR2(2000 CHAR)';
+    END IF;
+END;
+/
+
+COMMENT ON COLUMN SEAL_CONTRACT_LAUNCH_MAIN.COUNTERPARTY_CONFIRM_JSON IS '相对方签署确认状态JSON';