diff --git a/contract_management/__init__.py b/contract_management/__init__.py
index e69de29..9232540 100644
--- a/contract_management/__init__.py
+++ b/contract_management/__init__.py
@@ -0,0 +1,36 @@
+"""
+合同管理模块 - 增强版
+支持从商机创建合同、自动生成里程碑和订单、AI智能审核等功能
+"""
+
+from .enhanced_contract_core import (
+    create_contract,
+    create_contract_from_opportunity,
+    create_contract_version,
+    create_manual_order,
+    update_contract_milestone_status,
+    ai_contract_analysis,
+    update_contract,
+    delete_contract,
+    get_contract_by_id,
+    list_contracts
+)
+
+# 版本信息
+__version__ = "2.0.0"
+__author__ = "Hermes AI Agent"
+__description__ = "Enhanced Contract Management Module with Opportunity Integration and AI Analysis"
+
+# 导出所有公共接口
+__all__ = [
+    'create_contract',
+    'create_contract_from_opportunity', 
+    'create_contract_version',
+    'create_manual_order',
+    'update_contract_milestone_status',
+    'ai_contract_analysis',
+    'update_contract',
+    'delete_contract',
+    'get_contract_by_id',
+    'list_contracts'
+]
\ No newline at end of file
diff --git a/models/contract.json b/models/contract.json
index 27120ea..6ac1100 100644
--- a/models/contract.json
+++ b/models/contract.json
@@ -124,6 +124,53 @@
             "nullable": "yes",
             "comments": "AI提取的关键时点JSON数据"
         },
+        {
+            "name": "payment_terms",
+            "title": "付款条款",
+            "type": "text",
+            "nullable": "yes",
+            "comments": "付款节点规则，如'30%预付款+50%进度款+20%尾款'"
+        },
+        {
+            "name": "credit_period",
+            "title": "账期",
+            "type": "long",
+            "nullable": "yes",
+            "comments": "账期天数"
+        },
+        {
+            "name": "penalty_clause",
+            "title": "违约金条款",
+            "type": "text",
+            "nullable": "yes",
+            "comments": "违约金相关条款"
+        },
+        {
+            "name": "opportunity_id",
+            "title": "关联商机ID",
+            "type": "str",
+            "length": 32,
+            "nullable": "yes",
+            "comments": "关联的商机ID"
+        },
+        {
+            "name": "customer_id",
+            "title": "客户ID",
+            "type": "str",
+            "length": 32,
+            "nullable": "yes",
+            "comments": "关联的客户ID"
+        },
+        {
+            "name": "tax_rate",
+            "title": "税率",
+            "type": "decimal",
+            "length": 5,
+            "dec": 4,
+            "nullable": "yes",
+            "default": "0.1300",
+            "comments": "税率，默认13%"
+        },
         {
             "name": "created_at",
             "title": "创建时间",