refactor(data):优化数据处理和格式化

- 修改 OpenAI 消息内容格式，增加日期信息
- 重置股票指数和基本信息的 ID 为 0，以确保正确插入数据库

backend/data/openai_api.go

@@ -179,7 +179,7 @@ func (o OpenAi) NewChatStream(stock, stockCode, userQuestion string) <-chan map[
 			}
 			msg = append(msg, map[string]interface{}{
 				"role":    "assistant",
-				"content": stock + "当前价格：" + price,
+				"content": stock + time.Now().Format(time.DateOnly) + "价格：" + price,
 			})
 		}()
 

backend/data/stock_data_api.go

@@ -226,6 +226,7 @@ func (receiver StockDataApi) GetIndexBasic() {
 		if err != nil {
 			continue
 		}
+		index.ID = 0
 		db.Dao.Model(&IndexBasic{}).FirstOrCreate(index, &IndexBasic{TsCode: index.TsCode}).Where("ts_code = ?", index.TsCode).Updates(index)
 	}
 
@@ -274,6 +275,7 @@ func (receiver StockDataApi) GetStockBaseInfo() {
 		if err != nil {
 			continue
 		}
+		stock.ID = 0
 		db.Dao.Model(&StockBasic{}).FirstOrCreate(stock, &StockBasic{TsCode: stock.TsCode}).Where("ts_code = ?", stock.TsCode).Updates(stock)
 	}