diff --git a/.gitignore b/.gitignore
index a524c14..9e97857 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,4 +32,4 @@ build/
 ### VS Code ###
 .vscode/
 /src/main/resources/5963105_www.peteralbus.com.pfx
-/src/main/resources/application.yml.example
+/src/main/resources/application.yml
diff --git a/src/main/java/com/peteralbus/controller/EstimateController.java b/src/main/java/com/peteralbus/controller/EstimateController.java
index 6cd9d2c..7584416 100644
--- a/src/main/java/com/peteralbus/controller/EstimateController.java
+++ b/src/main/java/com/peteralbus/controller/EstimateController.java
@@ -16,6 +16,10 @@ import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;
 
+/**
+ * The type Estimate controller.
+ * @author PeterAlbus
+ */
 @CrossOrigin
 @RestController
 @RequestMapping("/estimate")
@@ -25,6 +29,9 @@ public class EstimateController {
      */
     EstimateUtil estimateUtil;
 
+    /**
+     * The Estimate service.
+     */
     EstimateService estimateService;
     /**
      * The Earthquake info service.
@@ -41,6 +48,7 @@ public class EstimateController {
     {
         this.earthquakeInfoService = earthquakeInfoService;
     }
+
     /**
      * Sets estimate util.
      *
@@ -51,10 +59,11 @@ public class EstimateController {
     {
         this.estimateUtil = estimateUtil;
     }
+
     /**
      * Sets estimate service.
      *
-     * @param estimateService
+     * @param estimateService the service of estimate
      */
     @Autowired
     public void setAnalyzeService(EstimateService estimateService) {
@@ -72,7 +81,8 @@ public class EstimateController {
         System.out.println(earthquakeId);
         int count = estimateService.queryAnalyze(earthquakeId);
         Estimate estimate = new Estimate();
-        if(count==0){
+        if(count==0)
+        {
             Map<String, Object> mapParameter = new HashMap<String, Object>();
             mapParameter.put("earthquakeId",earthquakeId);
             EarthquakeInfo earthquakeInfo=earthquakeInfoService.queryInfoWithLine(mapParameter).get(0);
@@ -84,7 +94,8 @@ public class EstimateController {
                     shortRadius = earthquakeInfo.getIntensityLineList().get(2).getShortRadius();
             System.out.println(longRadius);
             LocalDateTime earthquakeTime = earthquakeInfo.getEarthquakeTime();
-            double radians = Math.toRadians(latitude);//将角度转换为弧度。
+            //将角度转换为弧度。
+            double radians = Math.toRadians(latitude);
             double minLongitude = longitude-shortRadius/(111-Math.cos(radians)),
                     maxLongitude = longitude+shortRadius/(111-Math.cos(radians)),
                     minLatitude = latitude-longRadius/111,
@@ -94,9 +105,9 @@ public class EstimateController {
             estimate.setPredictEconomy(estimateUtil.economyPredict(earthquakeInfo.getHighIntensity()));
             estimate.setEarthquakeId(earthquakeId);
             estimate.setPopulation(population);
-            Date date = new Date();
-            estimate.setGmt_time(date);
-            estimateService.insertAnalyze(estimate);
+            LocalDateTime date = LocalDateTime.now();
+            estimate.setGmtCreate(date);
+            int result=estimateService.insertAnalyze(estimate);
         }
         else
         {
diff --git a/src/main/java/com/peteralbus/controller/HospitalController.java b/src/main/java/com/peteralbus/controller/HospitalController.java
index dbf3e59..393c348 100644
--- a/src/main/java/com/peteralbus/controller/HospitalController.java
+++ b/src/main/java/com/peteralbus/controller/HospitalController.java
@@ -10,28 +10,63 @@ import org.springframework.web.bind.annotation.RestController;
 
 import java.util.List;
 
+/**
+ * The type Hospital controller.
+ * @author PeterAlbus
+ */
 @CrossOrigin
 @RestController
 public class HospitalController {
-    @Autowired
+
+    /**
+     * The Hospital service.
+     */
     HospitalService hospitalService;
+
+    /**
+     * Sets hospital service.
+     *
+     * @param hospitalService the hospital service
+     */
+    @Autowired
+    public void setHospitalService(HospitalService hospitalService)
+    {
+        this.hospitalService = hospitalService;
+    }
+
+    /**
+     * Find all hospital list.
+     *
+     * @return the list
+     */
     @RequestMapping("/findAllHospital")
     public List<Hospital> findAllHospital(){
     return hospitalService.findAllHospital();
     }
+
+    /**
+     * Calculate distance distance.
+     *
+     * @param lng the lng
+     * @param lat the lat
+     * @return the distance
+     */
     @RequestMapping("/calculateDistance")
-    public Distance calculateDistance(double lng, double lat){//输入经纬度的值，遍历所有Hosiptai的经纬度并比较其距离
-//        return getDistance(121.446014,31.215937,121.446028464238,31.2158502442799 );
+    public Distance calculateDistance(double lng, double lat)
+    {
+        //输入经纬度的值，遍历所有Hospital的经纬度并比较其距离
+        //return getDistance(121.446014,31.215937,121.446028464238,31.2158502442799 );
         System.out.print("进入函数calculate");
         List<Hospital> hospitals=hospitalService.findAllHospital();
-        double minDistance=Double.MAX_VALUE;
+        Double minDistance=Double.MAX_VALUE;
         Distance distance=new Distance();
-        for(int i=0;i<hospitals.size();i++){
-            Hospital hospital=hospitals.get(i);
-            double distanceTwoPlaces=getDistance(hospital.getLon(),hospital.getLat(),lng,lat);
+        for (Hospital hospital : hospitals)
+        {
+            Double distanceTwoPlaces = getDistance(hospital.getLon(), hospital.getLat(), lng, lat);
             System.out.println(distanceTwoPlaces);
-            minDistance=Math.min(minDistance,distanceTwoPlaces);
-            if(minDistance==distanceTwoPlaces){
+            minDistance = Math.min(minDistance, distanceTwoPlaces);
+            if (minDistance.equals(distanceTwoPlaces))
+            {
                 distance.setDistance(minDistance);
                 distance.setEndLon(hospital.getLon());
                 distance.setEndLat(hospital.getLat());
@@ -44,6 +79,16 @@ public class HospitalController {
         return distance;
     }
     private static final double EARTH_RADIUS = 6378.137;
+
+    /**
+     * Gets distance.
+     *
+     * @param longitude1 the longitude 1
+     * @param latitude1  the latitude 1
+     * @param longitude2 the longitude 2
+     * @param latitude2  the latitude 2
+     * @return the distance
+     */
     public static double getDistance(double longitude1, double latitude1, double longitude2, double latitude2) {
         // 纬度
         double lat1 = Math.toRadians(latitude1);
@@ -56,16 +101,25 @@ public class HospitalController {
         // 经度之差
         double b = lng1 - lng2;
         // 计算两点距离的公式
-        double s = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) +
-                Math.cos(lat1) * Math.cos(lat2) * Math.pow(Math.sin(b / 2), 2)));
+        double s = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) + Math.cos(lat1) * Math.cos(lat2) * Math.pow(Math.sin(b / 2), 2)));
         // 弧长乘地球半径, 返回单位: 千米
         s =  s * EARTH_RADIUS;
         return s;
     }
-//    Haversine公式的最终实现方式可以有多种，比如借助转角度的函数atan2：
-    public static double getDistance2(double longitude1, double latitude1,
-                                      double longitude2, double latitude2) {
 
+    /**
+     * Gets distance 2.
+     *
+     * @param longitude1 the longitude 1
+     * @param latitude1  the latitude 1
+     * @param longitude2 the longitude 2
+     * @param latitude2  the latitude 2
+     * @return the distance 2
+     */
+
+    public static double getDistance2(double longitude1, double latitude1, double longitude2, double latitude2)
+    {
+        //Haversine公式的最终实现方式可以有多种，比如借助转角度的函数atan2：
         double latDistance = Math.toRadians(longitude1 - longitude2);
         double lngDistance = Math.toRadians(latitude1 - latitude2);
 
diff --git a/src/main/java/com/peteralbus/entity/Distance.java b/src/main/java/com/peteralbus/entity/Distance.java
index b674080..1cd37c6 100644
--- a/src/main/java/com/peteralbus/entity/Distance.java
+++ b/src/main/java/com/peteralbus/entity/Distance.java
@@ -4,15 +4,19 @@ import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+/**
+ * The type Distance.
+ * @author PeterAlbus
+ */
 @Data
 @AllArgsConstructor
 @NoArgsConstructor
 public class Distance {
-    private double startLon;
-    private double startLat;
-    private double endLon;
-    private double endLat;
-    private double distance;
+    private Double startLon;
+    private Double startLat;
+    private Double endLon;
+    private Double endLat;
+    private Double distance;
     private String endName;
     private String endAddress;
 }
diff --git a/src/main/java/com/peteralbus/entity/EarthquakeInfo.java b/src/main/java/com/peteralbus/entity/EarthquakeInfo.java
index 49eedf8..e28e588 100644
--- a/src/main/java/com/peteralbus/entity/EarthquakeInfo.java
+++ b/src/main/java/com/peteralbus/entity/EarthquakeInfo.java
@@ -29,6 +29,7 @@ import java.util.List;
 public class EarthquakeInfo implements Serializable
 {
     @TableId(type= IdType.ASSIGN_ID)
+    @JsonFormat(shape = JsonFormat.Shape.STRING)
     private Long earthquakeId;
     private String earthquakeName;
     private Double magnitude;
diff --git a/src/main/java/com/peteralbus/entity/Estimate.java b/src/main/java/com/peteralbus/entity/Estimate.java
index 5fcd131..ad68362 100644
--- a/src/main/java/com/peteralbus/entity/Estimate.java
+++ b/src/main/java/com/peteralbus/entity/Estimate.java
@@ -3,11 +3,15 @@ package com.peteralbus.entity;
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
+import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 import lombok.ToString;
+import org.apache.tomcat.jni.Local;
+import org.springframework.format.annotation.DateTimeFormat;
 
+import java.time.LocalDateTime;
 import java.util.Date;
 
 @ToString
@@ -16,10 +20,14 @@ import java.util.Date;
 @NoArgsConstructor
 public class Estimate {
     @TableId(type= IdType.ASSIGN_ID)
+    @JsonFormat(shape = JsonFormat.Shape.STRING)
     private Long analyzeId;
+    @JsonFormat(shape = JsonFormat.Shape.STRING)
     private Long earthquakeId;
     private Double predictDeath;
     private Double predictEconomy;
-    private int population;
-    private Date gmt_time;
+    private Integer population;
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
+    private LocalDateTime gmtCreate;
 }
diff --git a/src/main/java/com/peteralbus/entity/Hospital.java b/src/main/java/com/peteralbus/entity/Hospital.java
index 64013bd..298d9f3 100644
--- a/src/main/java/com/peteralbus/entity/Hospital.java
+++ b/src/main/java/com/peteralbus/entity/Hospital.java
@@ -1,16 +1,22 @@
 package com.peteralbus.entity;
 
+import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+/**
+ * The type Hospital.
+ * @author PeterAlbus
+ */
 @Data
 @AllArgsConstructor
 @NoArgsConstructor
+@TableName("fire_center")
 public class Hospital {
-    private int id;
-    private double lon;
-    private double lat;
+    private Integer id;
+    private Double lon;
+    private Double lat;
     private String name;
     private String address;
     private String pname;
diff --git a/src/main/java/com/peteralbus/entity/IntensityLine.java b/src/main/java/com/peteralbus/entity/IntensityLine.java
index 79f80e3..04bc72e 100644
--- a/src/main/java/com/peteralbus/entity/IntensityLine.java
+++ b/src/main/java/com/peteralbus/entity/IntensityLine.java
@@ -2,6 +2,7 @@ package com.peteralbus.entity;
 
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableId;
+import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
@@ -21,11 +22,13 @@ import java.io.Serializable;
 public class IntensityLine implements Serializable
 {
     @TableId(type= IdType.ASSIGN_ID)
+    @JsonFormat(shape = JsonFormat.Shape.STRING)
     private Long lineId;
     private Double longRadius;
     private Double shortRadius;
     private Double angle;
     private Integer intensity;
+    @JsonFormat(shape = JsonFormat.Shape.STRING)
     private Long earthquakeId;
 
     public IntensityLine(Double longRadius, Double shortRadius, Double angle, Integer intensity, Long earthquakeId)
diff --git a/src/main/java/com/peteralbus/mapper/HospitalMapper.java b/src/main/java/com/peteralbus/mapper/HospitalMapper.java
index b395455..fcc0ed1 100644
--- a/src/main/java/com/peteralbus/mapper/HospitalMapper.java
+++ b/src/main/java/com/peteralbus/mapper/HospitalMapper.java
@@ -1,15 +1,17 @@
 package com.peteralbus.mapper;
 
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.peteralbus.entity.Hospital;
 import org.apache.ibatis.annotations.Mapper;
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
 
-@Repository
+/**
+ * The interface Hospital mapper.
+ * @author PeterAlbus
+ */
 @Mapper
-public interface HospitalMapper {
-
-    public List<Hospital> findAllHospital();
-
+public interface HospitalMapper extends BaseMapper<Hospital>
+{
 }
diff --git a/src/main/java/com/peteralbus/service/EstimateService.java b/src/main/java/com/peteralbus/service/EstimateService.java
index 730538e..9f0b8be 100644
--- a/src/main/java/com/peteralbus/service/EstimateService.java
+++ b/src/main/java/com/peteralbus/service/EstimateService.java
@@ -3,18 +3,42 @@ package com.peteralbus.service;
 import com.peteralbus.entity.Estimate;
 import org.apache.ibatis.annotations.Param;
 
+/**
+ * The interface Estimate service.
+ */
 public interface EstimateService {
     /**
      * Get
      *
      * @param minLongitude the minimum Longitude
      * @param maxLongitude the maximum Longitude
-     * @param minLatitude the minimum Latitude
-     * @param maxLatitude the maximum Latitude
+     * @param minLatitude  the minimum Latitude
+     * @param maxLatitude  the maximum Latitude
      * @return the double
      */
     double getPopulation(@Param("minLongitude") Double minLongitude, @Param("maxLongitude") Double maxLongitude, @Param("minLatitude") Double minLatitude, @Param("maxLatitude") Double maxLatitude);
+
+    /**
+     * Insert analyze int.
+     *
+     * @param estimate the estimate
+     * @return the int
+     */
     int insertAnalyze(Estimate estimate);
+
+    /**
+     * Query analyze by id estimate.
+     *
+     * @param earthquakeId the earthquake id
+     * @return the estimate
+     */
     Estimate queryAnalyzeById(long earthquakeId);
+
+    /**
+     * Query analyze int.
+     *
+     * @param earthquakeId the earthquake id
+     * @return the int
+     */
     int queryAnalyze(@Param("earthquakeId") long earthquakeId);
 }
diff --git a/src/main/java/com/peteralbus/service/HospitalService.java b/src/main/java/com/peteralbus/service/HospitalService.java
index 23f6f42..6a63b62 100644
--- a/src/main/java/com/peteralbus/service/HospitalService.java
+++ b/src/main/java/com/peteralbus/service/HospitalService.java
@@ -4,6 +4,15 @@ import com.peteralbus.entity.Hospital;
 
 import java.util.List;
 
+/**
+ * The interface Hospital service.
+ * @author PeterAlbus
+ */
 public interface HospitalService {
+    /**
+     * Find all hospital list.
+     *
+     * @return the list
+     */
     public List<Hospital> findAllHospital();
 }
diff --git a/src/main/java/com/peteralbus/service/impl/EstimateServiceImpl.java b/src/main/java/com/peteralbus/service/impl/EstimateServiceImpl.java
index 607deb4..2c89411 100644
--- a/src/main/java/com/peteralbus/service/impl/EstimateServiceImpl.java
+++ b/src/main/java/com/peteralbus/service/impl/EstimateServiceImpl.java
@@ -6,10 +6,23 @@ import com.peteralbus.service.EstimateService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+/**
+ * The type Estimate service.
+ * @author PeterAlbus
+ */
 @Service
 public class EstimateServiceImpl implements EstimateService {
 
+    /**
+     * The Estimate mapper.
+     */
     EstimateMapper estimateMapper;
+
+    /**
+     * Set analyze mapper.
+     *
+     * @param estimateMapper the estimate mapper
+     */
     @Autowired
     public void setAnalyzeMapper(EstimateMapper estimateMapper){
         this.estimateMapper = estimateMapper;
diff --git a/src/main/java/com/peteralbus/service/impl/HospitalServiceImpl.java b/src/main/java/com/peteralbus/service/impl/HospitalServiceImpl.java
index eaab3f4..3b7227f 100644
--- a/src/main/java/com/peteralbus/service/impl/HospitalServiceImpl.java
+++ b/src/main/java/com/peteralbus/service/impl/HospitalServiceImpl.java
@@ -8,12 +8,28 @@ import org.springframework.stereotype.Service;
 
 import java.util.List;
 
+/**
+ * The type Hospital service.
+ * @author PeterAlbus
+ */
 @Service
 public class HospitalServiceImpl implements HospitalService {
-    @Autowired
+
     private HospitalMapper hospitalMapper;
+
+    /**
+     * Sets hospital mapper.
+     *
+     * @param hospitalMapper the hospital mapper
+     */
+    @Autowired
+    public void setHospitalMapper(HospitalMapper hospitalMapper)
+    {
+        this.hospitalMapper = hospitalMapper;
+    }
+
     @Override
     public List<Hospital> findAllHospital() {
-        return hospitalMapper.findAllHospital();
+        return hospitalMapper.selectList(null);
     }
 }
diff --git a/src/main/resources/mapper/EstimateMapper.xml b/src/main/resources/mapper/EstimateMapper.xml
index 2975726..acd7110 100644
--- a/src/main/resources/mapper/EstimateMapper.xml
+++ b/src/main/resources/mapper/EstimateMapper.xml
@@ -26,7 +26,7 @@
     </select>
 
     <select id="queryAnalyzeById" resultType="Estimate">
-        select predict_death,predict_economy,population
+        select analyze_id, earthquake_id, predict_death, predict_economy, population, gmt_create
         from estimate
         where earthquake_id = #{earthquakeId}
     </select>
diff --git a/src/main/resources/mapper/HospitalMapper.xml b/src/main/resources/mapper/HospitalMapper.xml
deleted file mode 100644
index e6db5c1..0000000
--- a/src/main/resources/mapper/HospitalMapper.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<!DOCTYPE mapper
-        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
-        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-
-<mapper namespace="com.peteralbus.mapper.HospitalMapper">
-
-
-    <select id="findAllHospital" resultType="com.peteralbus.entity.Hospital">
-        select * from hospital_center
-    </select>
-
-</mapper>
\ No newline at end of file