diff --git a/src/pages/api/model/data/delModelDataById.ts b/src/pages/api/model/data/delModelDataById.ts
index d3e04ec09..1d8f5b930 100644
--- a/src/pages/api/model/data/delModelDataById.ts
+++ b/src/pages/api/model/data/delModelDataById.ts
@@ -1,7 +1,7 @@
 import type { NextApiRequest, NextApiResponse } from 'next';
 import { jsonRes } from '@/service/response';
 import { authToken } from '@/service/utils/tools';
-import { connectPg } from '@/service/pg';
+import { PgClient } from '@/service/pg';
 
 export default async function handler(req: NextApiRequest, res: NextApiResponse<any>) {
   try {
@@ -21,8 +21,9 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse<
     // 凭证校验
     const userId = await authToken(authorization);
 
-    const pg = await connectPg();
-    await pg.query(`DELETE FROM modelData WHERE user_id = '${userId}' AND id = '${dataId}'`);
+    await PgClient.delete('modelData', {
+      where: [['user_id', userId], 'AND', ['id', dataId]]
+    });
 
     jsonRes(res);
   } catch (err) {
diff --git a/src/pages/api/model/data/getModelData.ts b/src/pages/api/model/data/getModelData.ts
index 4ec0783ac..38b400fa7 100644
--- a/src/pages/api/model/data/getModelData.ts
+++ b/src/pages/api/model/data/getModelData.ts
@@ -2,7 +2,7 @@ import type { NextApiRequest, NextApiResponse } from 'next';
 import { jsonRes } from '@/service/response';
 import { connectToDatabase } from '@/service/mongo';
 import { authToken } from '@/service/utils/tools';
-import { connectPg } from '@/service/pg';
+import { PgClient } from '@/service/pg';
 import type { PgModelDataItemType } from '@/types/pg';
 
 export default async function handler(req: NextApiRequest, res: NextApiResponse<any>) {
@@ -35,21 +35,23 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse<
     const userId = await authToken(authorization);
 
     await connectToDatabase();
-    const pg = await connectPg();
 
-    const searchRes = await pg.query<PgModelDataItemType>(`SELECT id, q, a, status
-              FROM modelData
-              WHERE user_id='${userId}' AND model_id='${modelId}'
-              ORDER BY id DESC
-              LIMIT ${pageSize} OFFSET ${pageSize * (pageNum - 1)}
-            `);
+    const searchRes = await PgClient.select<PgModelDataItemType>('modelData', {
+      field: ['id', 'q', 'a', 'status'],
+      where: [['user_id', userId], 'AND', ['model_id', modelId]],
+      order: [{ field: 'id', mode: 'DESC' }],
+      limit: pageSize,
+      offset: pageSize * (pageNum - 1)
+    });
 
     jsonRes(res, {
       data: {
         pageNum,
         pageSize,
         data: searchRes.rows,
-        total: searchRes.rowCount
+        total: await PgClient.count('modelData', {
+          where: [['user_id', userId], 'AND', ['model_id', modelId]]
+        })
       }
     });
   } catch (err) {
diff --git a/src/pages/api/model/data/pushModelDataInput.ts b/src/pages/api/model/data/pushModelDataInput.ts
index 6fab7572a..9240a1fd3 100644
--- a/src/pages/api/model/data/pushModelDataInput.ts
+++ b/src/pages/api/model/data/pushModelDataInput.ts
@@ -4,7 +4,7 @@ import { connectToDatabase, Model } from '@/service/mongo';
 import { authToken } from '@/service/utils/tools';
 import { ModelDataSchema } from '@/types/mongoSchema';
 import { generateVector } from '@/service/events/generateVector';
-import { connectPg } from '@/service/pg';
+import { connectPg, PgClient } from '@/service/pg';
 
 export default async function handler(req: NextApiRequest, res: NextApiResponse<any>) {
   try {
@@ -39,17 +39,15 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse<
     }
 
     // 插入记录
-    await pg.query(
-      `INSERT INTO modelData (user_id, model_id, q, a, status) VALUES ${data
-        .map(
-          (item) =>
-            `('${userId}', '${modelId}', '${item.q.replace(/\'/g, '"')}', '${item.a.replace(
-              /\'/g,
-              '"'
-            )}', 'waiting')`
-        )
-        .join(',')}`
-    );
+    await PgClient.insert('modelData', {
+      values: data.map((item) => [
+        { key: 'user_id', value: userId },
+        { key: 'model_id', value: modelId },
+        { key: 'q', value: item.q },
+        { key: 'a', value: item.a },
+        { key: 'status', value: 'waiting' }
+      ])
+    });
 
     generateVector();
 
diff --git a/src/service/events/generateQA.ts b/src/service/events/generateQA.ts
index 8d0826d71..d6ae0c7e4 100644
--- a/src/service/events/generateQA.ts
+++ b/src/service/events/generateQA.ts
@@ -7,7 +7,7 @@ import { ChatModelNameEnum } from '@/constants/model';
 import { pushSplitDataBill } from '@/service/events/pushBill';
 import { generateVector } from './generateVector';
 import { openaiError2 } from '../errorCode';
-import { connectPg } from '@/service/pg';
+import { PgClient } from '@/service/pg';
 import { ModelSplitDataSchema } from '@/types/mongoSchema';
 
 export async function generateQA(next = false): Promise<any> {
@@ -22,7 +22,6 @@ export async function generateQA(next = false): Promise<any> {
   let dataId = null;
 
   try {
-    const pg = await connectPg();
     // 找出一个需要生成的 dataItem
     const data = await SplitData.aggregate([
       { $match: { textList: { $exists: true, $ne: [] } } },
@@ -115,7 +114,7 @@ export async function generateQA(next = false): Promise<any> {
             };
           })
           .catch((err) => {
-            console.log('QA 拆分错误');
+            console.log('QA 拆分错误', err);
             return Promise.reject(err);
           })
       )
@@ -137,18 +136,16 @@ export async function generateQA(next = false): Promise<any> {
         textList: dataItem.textList.slice(0, -5)
       }), // 删掉后5个数据
       // 生成的内容插入 pg
-      pg.query(`INSERT INTO modelData (user_id, model_id, q, a, status) VALUES ${resultList
-        .map(
-          (item) =>
-            `('${String(dataItem.userId)}', '${String(dataItem.modelId)}', '${item.q.replace(
-              /\'/g,
-              '"'
-            )}', '${item.a.replace(/\'/g, '"')}', 'waiting')`
-        )
-        .join(',')}
-            `)
+      PgClient.insert('modelData', {
+        values: resultList.map((item) => [
+          { key: 'user_id', value: dataItem.userId },
+          { key: 'model_id', value: dataItem.modelId },
+          { key: 'q', value: item.q },
+          { key: 'a', value: item.a },
+          { key: 'status', value: 'waiting' }
+        ])
+      })
     ]);
-
     console.log('生成QA成功，time:', `${(Date.now() - startTime) / 1000}s`);
 
     generateQA(true);
diff --git a/src/service/events/generateVector.ts b/src/service/events/generateVector.ts
index 58b6f3c51..e137ffbda 100644
--- a/src/service/events/generateVector.ts
+++ b/src/service/events/generateVector.ts
@@ -1,8 +1,7 @@
 import { connectRedis } from '../redis';
 import { openaiCreateEmbedding, getOpenApiKey } from '../utils/openai';
 import { openaiError2 } from '../errorCode';
-import { connectPg } from '@/service/pg';
-import type { PgModelDataItemType } from '@/types/pg';
+import { connectPg, PgClient } from '@/service/pg';
 
 export async function generateVector(next = false): Promise<any> {
   if (process.env.queueTask !== '1') {
@@ -16,14 +15,12 @@ export async function generateVector(next = false): Promise<any> {
   let dataId = null;
 
   try {
-    const pg = await connectPg();
-
     // 从找出一个 status = waiting 的数据
-    const searchRes = await pg.query<PgModelDataItemType>(`SELECT id, q, user_id
-                        FROM modelData
-                        WHERE status='waiting'
-                        LIMIT 1
-                      `);
+    const searchRes = await PgClient.select('modelData', {
+      field: ['id', 'q', 'user_id'],
+      where: [['status', 'waiting']],
+      limit: 1
+    });
 
     if (searchRes.rowCount === 0) {
       console.log('没有需要生成 【向量】 的数据');
@@ -47,7 +44,9 @@ export async function generateVector(next = false): Promise<any> {
       systemKey = res.systemKey;
     } catch (error: any) {
       if (error?.code === 501) {
-        await pg.query(`DELETE FROM modelData WHERE id = '${dataId}'`);
+        await PgClient.delete('modelData', {
+          where: [['id', dataId]]
+        });
         generateVector(true);
         return;
       }
@@ -64,9 +63,13 @@ export async function generateVector(next = false): Promise<any> {
     });
 
     // 更新 pg 向量和状态数据
-    await pg.query(
-      `UPDATE modelData SET vector = '[${vector}]', status = 'ready' WHERE id = ${dataId}`
-    );
+    await PgClient.update('modelData', {
+      values: [
+        { key: 'vector', value: `[${vector}]` },
+        { key: 'status', value: `ready` }
+      ],
+      where: [['id', dataId]]
+    });
 
     console.log(`生成向量成功: ${dataItem.id}`);
 
diff --git a/src/service/mongo.ts b/src/service/mongo.ts
index 610a1c5e8..e413ac952 100644
--- a/src/service/mongo.ts
+++ b/src/service/mongo.ts
@@ -12,7 +12,6 @@ export async function connectToDatabase(): Promise<void> {
   }
 
   global.mongodb = 'connecting';
-  console.log('connect mongo');
   try {
     mongoose.set('strictQuery', true);
     global.mongodb = await mongoose.connect(process.env.MONGODB_URI as string, {
@@ -22,6 +21,7 @@ export async function connectToDatabase(): Promise<void> {
       minPoolSize: 1,
       maxConnecting: 5
     });
+    console.log('mongo connected');
   } catch (error) {
     console.log('error->', 'mongo connect error');
     global.mongodb = null;
diff --git a/src/service/pg.ts b/src/service/pg.ts
index f1d142bc3..53c51e937 100644
--- a/src/service/pg.ts
+++ b/src/service/pg.ts
@@ -1,4 +1,5 @@
 import { Pool } from 'pg';
+import type { QueryResultRow } from 'pg';
 
 export const connectPg = async () => {
   if (global.pgClient) {
@@ -30,3 +31,111 @@ export const connectPg = async () => {
     return Promise.reject(error);
   }
 };
+
+type WhereProps = (string | [string, string | number])[];
+type GetProps = {
+  field?: string[];
+  where?: WhereProps;
+  order?: { field: string; mode: 'DESC' | 'ASC' }[];
+  limit?: number;
+  offset?: number;
+};
+
+type DeleteProps = {
+  where: WhereProps;
+};
+
+type ValuesProps = { key: string; value: string | number }[];
+type UpdateProps = {
+  values: ValuesProps;
+  where: WhereProps;
+};
+type InsertProps = {
+  values: ValuesProps[];
+};
+
+class Pg {
+  private getWhereStr(where?: WhereProps) {
+    return where
+      ? `WHERE ${where
+          .map((item) => {
+            if (typeof item === 'string') {
+              return item;
+            }
+            const val = typeof item[1] === 'string' ? `'${item[1]}'` : item[1];
+            return `${item[0]}=${val}`;
+          })
+          .join(' ')}`
+      : '';
+  }
+  private getUpdateValStr(values: ValuesProps) {
+    return values
+      .map((item) => {
+        const val =
+          typeof item.value === 'number'
+            ? item.value
+            : `'${String(item.value).replace(/\'/g, '"')}'`;
+
+        return `${item.key}=${val}`;
+      })
+      .join(',');
+  }
+  private getInsertValStr(values: ValuesProps[]) {
+    return values
+      .map(
+        (items) =>
+          `(${items
+            .map((item) =>
+              typeof item.value === 'number'
+                ? item.value
+                : `'${String(item.value).replace(/\'/g, '"')}'`
+            )
+            .join(',')})`
+      )
+      .join(',');
+  }
+  async select<T extends QueryResultRow = any>(table: string, props: GetProps) {
+    const sql = `SELECT ${!props.field || props.field?.length === 0 ? '*' : props.field?.join(',')}
+      FROM ${table}
+      ${this.getWhereStr(props.where)}
+      ${
+        props.order
+          ? `ORDER BY ${props.order.map((item) => `${item.field} ${item.mode}`).join(',')}`
+          : ''
+      }
+      LIMIT ${props.limit || 10} OFFSET ${props.offset || 0}
+    `;
+
+    const pg = await connectPg();
+    return pg.query<T>(sql);
+  }
+  async count(table: string, props: GetProps) {
+    const sql = `SELECT COUNT(*)
+      FROM ${table}
+      ${this.getWhereStr(props.where)}
+    `;
+    const pg = await connectPg();
+    return pg.query(sql).then((res) => Number(res.rows[0]?.count || 0));
+  }
+  async delete(table: string, props: DeleteProps) {
+    const sql = `DELETE FROM ${table} ${this.getWhereStr(props.where)}`;
+    const pg = await connectPg();
+    return pg.query(sql);
+  }
+  async update(table: string, props: UpdateProps) {
+    const sql = `UPDATE ${table} SET ${this.getUpdateValStr(props.values)} ${this.getWhereStr(
+      props.where
+    )}`;
+
+    const pg = await connectPg();
+    return pg.query(sql);
+  }
+  async insert(table: string, props: InsertProps) {
+    const fields = props.values[0].map((item) => item.key).join(',');
+    const sql = `INSERT INTO ${table} (${fields}) VALUES ${this.getInsertValStr(props.values)} `;
+    const pg = await connectPg();
+    return pg.query(sql);
+  }
+}
+
+export const PgClient = new Pg();