diff --git a/lib/PostgreSQL/store.js b/lib/PostgreSQL/store.js
index 12a2a54..714d1c0 100644
--- a/lib/PostgreSQL/store.js
+++ b/lib/PostgreSQL/store.js
@@ -336,50 +336,62 @@ class PostgreSQLStore extends CascadeStore_1.CascadeStore {
         await this.connector.disconnect();
     }
     async initialize(option) {
-        // PG的DDL支持事务，所以这里直接用一个事务包裹所有的初始化操作
+        const schema = this.getSchema();
+        // ===== 第一阶段：事务外创建扩展 =====
+        let hasGeoType = false;
+        let hasChineseTsConfig = false;
+        let chineseParser = null;
+        // 扫描 schema
+        for (const entity in schema) {
+            const { attributes, indexes } = schema[entity];
+            for (const attr in attributes) {
+                if (attributes[attr].type === 'geometry') {
+                    hasGeoType = true;
+                }
+            }
+            for (const index of indexes || []) {
+                if (index.config?.tsConfig === 'chinese' || index.config?.tsConfig?.includes('chinese')) {
+                    hasChineseTsConfig = true;
+                }
+                if (index.config?.chineseParser) {
+                    (0, assert_1.default)(!chineseParser || chineseParser === index.config.chineseParser, '当前定义了多个中文分词器，请保持一致');
+                    chineseParser = index.config.chineseParser;
+                }
+            }
+        }
+        // 在事务外创建扩展
+        if (hasGeoType) {
+            console.log('Initializing PostGIS extension for geometry support...');
+            await this.connector.exec('CREATE EXTENSION IF NOT EXISTS postgis;');
+        }
+        if (hasChineseTsConfig) {
+            console.log('Initializing Chinese parser extension...');
+            await this.connector.exec(`CREATE EXTENSION IF NOT EXISTS ${chineseParser || 'zhparser'};`);
+        }
+        // ===== 第二阶段：事务内创建配置和表 =====
         const txn = await this.connector.startTransaction({
             isolationLevel: 'serializable',
         });
         try {
-            const schema = this.getSchema();
-            let hasGeoType = false;
-            let hasChineseTsConfig = false;
-            for (const entity in schema) {
-                const { attributes, indexes } = schema[entity];
-                for (const attr in attributes) {
-                    const { type } = attributes[attr];
-                    if (type === 'geometry') {
-                        hasGeoType = true;
-                    }
-                }
-                for (const index of indexes || []) {
-                    if (index.config?.tsConfig === 'chinese' || index.config?.tsConfig?.includes('chinese')) {
-                        hasChineseTsConfig = true;
-                    }
-                }
-            }
-            if (hasGeoType) {
-                console.log('Initializing PostGIS extension for geometry support...');
-                await this.connector.exec('CREATE EXTENSION IF NOT EXISTS postgis;');
-            }
+            // 创建中文文本搜索配置
             if (hasChineseTsConfig) {
                 console.log('Initializing Chinese text search configuration...');
                 const checkChineseConfigSql = `
-            SELECT COUNT(*) as cnt
-            FROM pg_catalog.pg_ts_config
-            WHERE cfgname = 'chinese';
+                SELECT COUNT(*) as cnt
+                FROM pg_catalog.pg_ts_config
+                WHERE cfgname = 'chinese';
             `;
-                const result = await this.connector.exec(checkChineseConfigSql);
+                const result = await this.connector.exec(checkChineseConfigSql, txn);
                 const count = parseInt(result[0][0]?.cnt || '0', 10);
                 if (count === 0) {
                     const createChineseConfigSql = `
-                CREATE EXTENSION IF NOT EXISTS zhparser;
-                CREATE TEXT SEARCH CONFIGURATION chinese (PARSER = zhparser);
-                ALTER TEXT SEARCH CONFIGURATION chinese ADD MAPPING FOR n,v,a,i,e,l WITH simple;
+                    CREATE TEXT SEARCH CONFIGURATION chinese (PARSER = ${chineseParser || 'zhparser'});
+                    ALTER TEXT SEARCH CONFIGURATION chinese ADD MAPPING FOR n,v,a,i,e,l WITH simple;
                 `;
-                    await this.connector.exec(createChineseConfigSql);
+                    await this.connector.exec(createChineseConfigSql, txn);
                 }
             }
+            // 创建实体表
             for (const entity in schema) {
                 const sqls = this.translator.translateCreateEntity(entity, option);
                 for (const sql of sqls) {
diff --git a/lib/types/dbStore.d.ts b/lib/types/dbStore.d.ts
index 22ccc34..e48fa94 100644
--- a/lib/types/dbStore.d.ts
+++ b/lib/types/dbStore.d.ts
@@ -16,6 +16,7 @@ export type Plan = {
     updatedIndexes: Record<string, Index<any>[]>;
 };
 export interface DbStore<ED extends EntityDict & BaseEntityDict, Cxt extends AsyncContext<ED>> extends AsyncRowStore<ED, Cxt> {
+    checkRelationAsync<T extends keyof ED, Cxt extends AsyncContext<ED>>(entity: T, operation: Omit<ED[T]['Operation'] | ED[T]['Selection'], 'id'>, context: Cxt): Promise<void>;
     connect: () => Promise<void>;
     disconnect: () => Promise<void>;
     initialize(options: CreateEntityOption): Promise<void>;
diff --git a/src/PostgreSQL/store.ts b/src/PostgreSQL/store.ts
index c66e797..0ae5a0c 100644
--- a/src/PostgreSQL/store.ts
+++ b/src/PostgreSQL/store.ts
@@ -452,68 +452,85 @@ export class PostgreSQLStore<
     }
 
     async initialize(option: CreateEntityOption) {
-        // PG的DDL支持事务，所以这里直接用一个事务包裹所有的初始化操作
+        const schema = this.getSchema();
+
+        // ===== 第一阶段：事务外创建扩展 =====
+        let hasGeoType = false;
+        let hasChineseTsConfig = false;
+        let chineseParser = null;
+
+        // 扫描 schema
+        for (const entity in schema) {
+            const { attributes, indexes } = schema[entity];
+            for (const attr in attributes) {
+                if (attributes[attr].type === 'geometry') {
+                    hasGeoType = true;
+                }
+            }
+            for (const index of indexes || []) {
+                if (index.config?.tsConfig === 'chinese' || index.config?.tsConfig?.includes('chinese')) {
+                    hasChineseTsConfig = true;
+                }
+                if (index.config?.chineseParser) {
+                    assert(!chineseParser || chineseParser === index.config.chineseParser,
+                        '当前定义了多个中文分词器，请保持一致');
+                    chineseParser = index.config.chineseParser;
+                }
+            }
+        }
+
+        // 在事务外创建扩展
+        if (hasGeoType) {
+            console.log('Initializing PostGIS extension for geometry support...');
+            await this.connector.exec('CREATE EXTENSION IF NOT EXISTS postgis;');
+        }
+
+        if (hasChineseTsConfig) {
+            console.log('Initializing Chinese parser extension...');
+            await this.connector.exec(`CREATE EXTENSION IF NOT EXISTS ${chineseParser || 'zhparser'};`);
+        }
+
+        // ===== 第二阶段：事务内创建配置和表 =====
         const txn = await this.connector.startTransaction({
             isolationLevel: 'serializable',
         });
+
         try {
-
-            const schema = this.getSchema();
-
-            let hasGeoType = false;
-            let hasChineseTsConfig = false;
-
-            for (const entity in schema) {
-                const { attributes, indexes } = schema[entity];
-                for (const attr in attributes) {
-                    const { type } = attributes[attr];
-                    if (type === 'geometry') {
-                        hasGeoType = true;
-                    }
-                }
-                for (const index of indexes || []) {
-                    if (index.config?.tsConfig === 'chinese' || index.config?.tsConfig?.includes('chinese')) {
-                        hasChineseTsConfig = true;
-                    }
-                }
-            }
-
-            if (hasGeoType) {
-                console.log('Initializing PostGIS extension for geometry support...');
-                await this.connector.exec('CREATE EXTENSION IF NOT EXISTS postgis;');
-            }
-
+            // 创建中文文本搜索配置
             if (hasChineseTsConfig) {
                 console.log('Initializing Chinese text search configuration...');
                 const checkChineseConfigSql = `
-            SELECT COUNT(*) as cnt
-            FROM pg_catalog.pg_ts_config
-            WHERE cfgname = 'chinese';
+                SELECT COUNT(*) as cnt
+                FROM pg_catalog.pg_ts_config
+                WHERE cfgname = 'chinese';
             `;
-                const result = await this.connector.exec(checkChineseConfigSql);
+                const result = await this.connector.exec(checkChineseConfigSql, txn);
                 const count = parseInt(result[0][0]?.cnt || '0', 10);
+
                 if (count === 0) {
                     const createChineseConfigSql = `
-                CREATE EXTENSION IF NOT EXISTS zhparser;
-                CREATE TEXT SEARCH CONFIGURATION chinese (PARSER = zhparser);
-                ALTER TEXT SEARCH CONFIGURATION chinese ADD MAPPING FOR n,v,a,i,e,l WITH simple;
+                    CREATE TEXT SEARCH CONFIGURATION chinese (PARSER = ${chineseParser || 'zhparser'});
+                    ALTER TEXT SEARCH CONFIGURATION chinese ADD MAPPING FOR n,v,a,i,e,l WITH simple;
                 `;
-                    await this.connector.exec(createChineseConfigSql);
+                    await this.connector.exec(createChineseConfigSql, txn);
                 }
             }
 
+            // 创建实体表
             for (const entity in schema) {
                 const sqls = this.translator.translateCreateEntity(entity, option);
                 for (const sql of sqls) {
                     await this.connector.exec(sql, txn);
                 }
             }
+
             await this.connector.commitTransaction(txn);
         } catch (error) {
             await this.connector.rollbackTransaction(txn);
             throw error;
         }
     }
+
     // 从数据库中读取当前schema
     readSchema() {
         return this.translator.readSchema((sql) => this.connector.exec(sql));
diff --git a/src/types/dbStore.ts b/src/types/dbStore.ts
index 6264256..1c0a31a 100644
--- a/src/types/dbStore.ts
+++ b/src/types/dbStore.ts
@@ -24,6 +24,7 @@ export type Plan = {
 };
 
 export interface DbStore<ED extends EntityDict & BaseEntityDict, Cxt extends AsyncContext<ED>> extends AsyncRowStore<ED, Cxt> {
+    checkRelationAsync<T extends keyof ED, Cxt extends AsyncContext<ED>>(entity: T, operation: Omit<ED[T]['Operation'] | ED[T]['Selection'], 'id'>, context: Cxt): Promise<void>;
     connect: () => Promise<void>;
     disconnect: () => Promise<void>;
     initialize(options: CreateEntityOption): Promise<void>;