diff --git a/hiatmp-hidden-danger-server/src/main/java/com/hisense/hiatmp/server_api/controller/HighDangerController.java b/hiatmp-hidden-danger-server/src/main/java/com/hisense/hiatmp/server_api/controller/HighDangerController.java
index d55c071..d105c5d 100644
--- a/hiatmp-hidden-danger-server/src/main/java/com/hisense/hiatmp/server_api/controller/HighDangerController.java
+++ b/hiatmp-hidden-danger-server/src/main/java/com/hisense/hiatmp/server_api/controller/HighDangerController.java
@@ -351,20 +351,26 @@ public class HighDangerController {
         if(roadInfo.getCoordinate() == null){
             return ServerResponse.ok("无对应路口信息",null);
         }
-        LinkedList<Map<String, Float>> coordinateMapTemporary = new LinkedList<>();
+        LinkedList<Map<String, Double>> coordinateMapTemporary = new LinkedList<>();
 
         String[] split = roadInfo.getCoordinate().split(",");
         for(int i = 0; i < split.length; i+=2){
-            CoordinateConverter coordinateConverter = new CoordinateConverter();
-            Map<String,Float> pointMap = new LinkedHashMap<>();
+            //CoordinateConverter coordinateConverter = new CoordinateConverter();
+            Map<String,Double> pointMap = new LinkedHashMap<>();
 
-            float x = Float.parseFloat(split[i]);
-            float y = Float.parseFloat(split[i + 1]);
+            float lon = Float.parseFloat(split[i]);
+            float lat = Float.parseFloat(split[i + 1]);
 
-            CoordinateConverter.AMap transform = highDangerService.transform(x, y);
+            //CoordinateConverter.AMap transform = highDangerService.transform(x, y);
 
-            pointMap.put("longitude", transform.getLongitude());
-            pointMap.put("latitude", transform.getLatitude());
+            CoordinateConverter.AMap aMap = CoordinateConverter.transform(lon, lat);
+            // 108.766167,34.207948
+            //System.out.println("GPS转高德之前：" + lon + "," + lat);
+            // 108.77088779593853,34.206482360676944
+            //System.out.println("GPS转高德之后：" + aMap.getLongitude() + "," + aMap.getLatitude());
+
+            pointMap.put("longitude", aMap.getLongitude());
+            pointMap.put("latitude", aMap.getLatitude());
             coordinateMapTemporary.add(pointMap);
         }
         roadInfo.setCoordinateList(coordinateMapTemporary);
diff --git a/hiatmp-hidden-danger-server/src/main/java/com/hisense/hiatmp/server_api/utils/CoordinateConverter.java b/hiatmp-hidden-danger-server/src/main/java/com/hisense/hiatmp/server_api/utils/CoordinateConverter.java
index 7b1179b..b11490e 100644
--- a/hiatmp-hidden-danger-server/src/main/java/com/hisense/hiatmp/server_api/utils/CoordinateConverter.java
+++ b/hiatmp-hidden-danger-server/src/main/java/com/hisense/hiatmp/server_api/utils/CoordinateConverter.java
@@ -24,7 +24,7 @@ public class CoordinateConverter {
      */
     public static AMap transform(double wgLon, double wgLat) {
         if (outOfChina(wgLat, wgLon)) {
-            return new AMap((float) wgLon, (float) wgLat);
+            return new AMap(wgLon, wgLat);
         }
 
         double dLat = transformLat(wgLon - 105.0, wgLat - 35.0);
@@ -37,7 +37,7 @@ public class CoordinateConverter {
         dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * pi);
         double transLat = wgLat + dLat;
         double transLon = wgLon + dLon;
-        return new AMap((float) transLon, (float) transLat);
+        return new AMap(transLon, transLat);
     }
 
     /**
@@ -92,24 +92,39 @@ public class CoordinateConverter {
         /**
          * 经度
          */
-        private float longitude;
+        private double longitude;
 
         /**
          * 维度
          */
-        private float latitude;
+        private double latitude;
 
-        public AMap(float longitude, float latitude) {
+        public AMap(double longitude, double latitude) {
             this.longitude = longitude;
             this.latitude = latitude;
         }
 
-        public float getLongitude() {
+        public double getLongitude() {
             return longitude;
         }
 
-        public float getLatitude() {
+        public double getLatitude() {
             return latitude;
         }
     }
+
+    public static void main(String[] args) {
+        double lon = 120.420537;
+        double lat = 36.16946;
+        AMap aMap = transform(lon, lat);
+        // 108.766167,34.207948
+        System.out.println("GPS转高德之前：" + lon + "," + lat);
+        // 108.77088779593853,34.206482360676944
+        System.out.println("GPS转高德之后：" + aMap.getLongitude() + "," + aMap.getLatitude());
+        /**
+         * 108.77090467665,34.206496310764
+         * 高德API（https://lbs.amap.com/api/webservice/guide/api/convert）经纬度转换之后.
+         * 两者误差不是很大
+         */
+    }
 }
\ No newline at end of file
diff --git a/hiatmp-model/src/main/java/com/hisense/hiatmp/model/common/HighDangerRoad.java b/hiatmp-model/src/main/java/com/hisense/hiatmp/model/common/HighDangerRoad.java
index bf1f554..7904c3f 100644
--- a/hiatmp-model/src/main/java/com/hisense/hiatmp/model/common/HighDangerRoad.java
+++ b/hiatmp-model/src/main/java/com/hisense/hiatmp/model/common/HighDangerRoad.java
@@ -79,7 +79,7 @@ public class HighDangerRoad implements Serializable {
     @JsonIgnore
     private String coordinate;
 
-    private List<Map<String,Float>> coordinateList;
+    private List<Map<String,Double>> coordinateList;
 
     // 地址类型
 //    private String coordinateType;