修改了数据库插入中的数据类型错误

src/main.rs

@@ -1,4 +1,5 @@
 use actix_web::{App, HttpResponse, HttpServer, Responder, Result, post, web};
+use chrono::NaiveDate;
 use db::create_pool;
 use reqwest::Client;
 use serde::{Deserialize, Serialize};
@@ -33,7 +34,7 @@ pub struct WeatherData {
     #[serde(rename = "convertedWindSpeed")]
     converted_wind_speed: f64,
 
-    date: String,
+    date: NaiveDate,
 
     #[serde(rename = "daySinceJanFirst")]
     day_since_jan_first: i32,