diff --git a/utils/client.py b/utils/client.py
index cb09f0d..5e3baa7 100644
--- a/utils/client.py
+++ b/utils/client.py
@@ -411,10 +411,22 @@ class HTTPClient:
             try:
                 with self:
                     self._execute(
-                        sql="""CREATE TABLE IF NOT EXISTS caches (guid TEXT PRIMARY KEY, cache TEXT NOT NULL, timestamp REAL NOT NULL)"""
+                        sql="""
+                            CREATE TABLE IF NOT EXISTS caches
+                            (
+                                --缓存唯一标识
+                                guid TEXT PRIMARY KEY,
+                                --缓存（JSON序列化）
+                                cache TEXT NOT NULL,
+                                --缓存时间
+                                timestamp REAL NOT NULL
+                            )
+                            """
                     )
                     self._execute(
-                        sql="""CREATE INDEX IF NOT EXISTS idx_timestamp ON caches(timestamp)"""
+                        sql="""
+                            CREATE INDEX IF NOT EXISTS idx_timestamp ON caches(timestamp)
+                            """
                     )
             except Exception as exception:
                 raise RuntimeError(
@@ -432,7 +444,11 @@ class HTTPClient:
             try:
                 with self:
                     result = self._query_one(
-                        sql="SELECT cache FROM caches WHERE guid = ? AND timestamp >= ?",
+                        sql="""
+                            SELECT cache
+                            FROM caches
+                            WHERE guid = ? AND timestamp >= ?
+                            """,
                         parameters=(guid, time.time() - self.cache_ttl),
                     )
                 return (
@@ -453,7 +469,9 @@ class HTTPClient:
             try:
                 with self:
                     return self._execute(
-                        sql="INSERT OR REPLACE INTO caches (guid, cache, timestamp) VALUES (?, ?, ?)",
+                        sql="""
+                        INSERT OR REPLACE INTO caches (guid, cache, timestamp) VALUES (?, ?, ?)
+                        """,
                         parameters=(
                             guid,
                             json.dumps(cache, ensure_ascii=False),
diff --git a/票据理赔自动化/SQLite.db b/票据理赔自动化/SQLite.db
index 5c57b1e..efad18e 100644
Binary files a/票据理赔自动化/SQLite.db and b/票据理赔自动化/SQLite.db differ
diff --git a/票据理赔自动化/main.py b/票据理赔自动化/main.py
index cfecd14..ab3163d 100644
--- a/票据理赔自动化/main.py
+++ b/票据理赔自动化/main.py
@@ -282,12 +282,75 @@ if __name__ == "__main__":
             # 初始化SQLite客户端
             super().__init__(database="SQLite.db")
 
-            # 初始化购药及就医机构表
             try:
                 with self:
+                    # 初始化购药及就医机构表
                     self._execute(
-                        sql="""CREATE TABLE IF NOT EXISTS institutions (institution TEXT PRIMARY KEY, type TEXT NOT NULL, province TEXT NOT NULL, city TEXT NOT NULL)"""
+                        sql="""
+                            CREATE TABLE IF NOT EXISTS institutions
+                            (
+                                --购药及就医机构
+                                institution      TEXT PRIMARY KEY,
+                                --购药及就医机构类型
+                                institution_type TEXT NOT NULL,
+                                --所在省
+                                province         TEXT NOT NULL,
+                                --所在市
+                                city             TEXT NOT NULL
+                            )
+                            """
                     )
+
+                    # 初始化团单表
+                    self._execute(
+                        sql="""
+                            CREATE TABLE IF NOT EXISTS group_policies
+                            (
+                                --团单号，一张团单包括多张个单
+                                group_policy      TEXT NOT NULL,
+                                --投保公司
+                                insurance_company TEXT NOT NULL,
+                                --保险分公司
+                                insurer_company   TEXT NOT NULL,
+                                --团单有效起期
+                                from_date         REAL NOT NULL,
+                                --团单有效止期
+                                to_date           REAL NOT NULL,
+                                --联合主键：团单号+投保公司+保险分公司
+                                PRIMARY KEY (group_policy, insurance_company, insurer_company)
+                            )
+                            """
+                    )
+
+                    # 初始化个单表
+                    self._execute(
+                        sql="""
+                            CREATE TABLE IF NOT EXISTS person_policies
+                            (
+                                group_policy  TEXT NOT NULL,
+                                person_policy TEXT NOT NULL,
+                                from_date     REAL NOT NULL,
+                                to_date       REAL NOT NULL,
+                                PRIMARY KEY (person_policy, group_policy)
+                            )
+                            """
+                    )
+
+                    # 初始化被保人表
+                    self._execute(
+                        sql="""
+                            CREATE TABLE IF NOT EXISTS insured_persons
+                            (
+                                insured_person  TEXT NOT NULL,
+                                identity_type   TEXT NOT NULL,
+                                identity_number TEXT NOT NULL,
+                                relationship    TEXT NOT NULL,
+                                person_policy   TEXT NOT NULL,
+                                PRIMARY KEY (person_policy, insured_person, identity_type, identity_number)
+                            )
+                            """
+                    )
+
             except Exception as exception:
                 raise RuntimeError(
                     f"初始化数据库发生异常：{str(exception)}"
@@ -305,11 +368,11 @@ if __name__ == "__main__":
                 with self:
                     # noinspection SqlResolve
                     result = self._query_one(
-                        sql="SELECT type FROM institutions WHERE institution = ?",
+                        sql="SELECT institution_type FROM institutions WHERE institution = ?",
                         parameters=(institution,),
                     )
                 return (
-                    None if result is None else result["type"]
+                    None if result is None else result["institution_type"]
                 )  # 返回购药及就医机构类型
             except Exception as exception:
                 raise RuntimeError(