diff --git a/src/main/java/com/gis3c/common/exception/BusinessException.java b/src/main/java/com/gis3c/common/exception/BusinessException.java
index 745ec9a..b7b2c4b 100644
--- a/src/main/java/com/gis3c/common/exception/BusinessException.java
+++ b/src/main/java/com/gis3c/common/exception/BusinessException.java
@@ -6,6 +6,8 @@ package com.gis3c.common.exception;
 public class BusinessException extends RuntimeException {
     private static final long serialVersionUID = 1L;
 
+    private Integer exceptionCode;
+
     public BusinessException(){
         super();
     }
@@ -21,4 +23,24 @@ public class BusinessException extends RuntimeException {
     public BusinessException(String message, Throwable cause) {
         super(message, cause);
     }
+
+    public BusinessException(Integer exceptionCode){
+        super();
+        this.exceptionCode = exceptionCode;
+    }
+
+    public BusinessException(String message,Integer exceptionCode) {
+        super(message);
+        this.exceptionCode = exceptionCode;
+    }
+
+    public BusinessException(Throwable cause,Integer exceptionCode) {
+        super(cause);
+        this.exceptionCode = exceptionCode;
+    }
+
+    public BusinessException(String message, Throwable cause,Integer exceptionCode) {
+        super(message, cause);
+        this.exceptionCode = exceptionCode;
+    }
 }
diff --git a/src/main/java/com/gis3c/spatial/common/FeatureUtilities.java b/src/main/java/com/gis3c/spatial/common/FeatureUtilities.java
index 8df4f4a..27c9c6b 100644
--- a/src/main/java/com/gis3c/spatial/common/FeatureUtilities.java
+++ b/src/main/java/com/gis3c/spatial/common/FeatureUtilities.java
@@ -2,6 +2,7 @@ package com.gis3c.spatial.common;
 
 
 import com.gis3c.spatial.entity.BaseFeature;
+import com.gis3c.spatial.entity.Region;
 import org.geotools.data.DataUtilities;
 import org.geotools.data.simple.SimpleFeatureCollection;
 import org.geotools.geojson.feature.FeatureJSON;
@@ -18,6 +19,34 @@ import java.util.List;
  * Created by hukekuan on 2018/1/16.
  */
 public class FeatureUtilities {
+    /**
+     * SimpleFeature转GeoJSON字符串
+     * @param simpleFeature
+     * @return
+     */
+    public static String Feature2Json(SimpleFeature simpleFeature) throws IOException {
+        String result = null;
+        FeatureJSON fjson = new FeatureJSON();
+        StringWriter writer = new StringWriter();
+        fjson.writeFeature(simpleFeature,writer);
+        result = writer.toString();
+        return result;
+    }
+
+    /**
+     *
+     * @param t 继承于BaseFeature的实体类转换成GeoJSON字符串
+     * @param featureIndex
+     * @param <T>
+     * @return
+     * @throws IOException
+     */
+    public static <T extends BaseFeature> String JavaBean2Json(T t,String featureIndex)
+            throws IOException {
+        SimpleFeature simpleFeature =t.javaBean2SimpleFeature("featureIndex");
+        return Feature2Json(simpleFeature);
+    }
+
     /**
      * @Description: 将java bean转换为Simple Feature
      * @param beansList
@@ -30,9 +59,8 @@ public class FeatureUtilities {
             throw new NullPointerException("参数无效");
         }
         List<SimpleFeature> simpleFeatureList = new ArrayList<>();
-        SimpleFeatureType featureType = beansList.get(0).createFeatureType();
         for(int i = 0,len = beansList.size();i < len;i++){
-            simpleFeatureList.add(beansList.get(i).javaBean2SimpleFeature(featureType,Integer.toString(i)));
+            simpleFeatureList.add(beansList.get(i).javaBean2SimpleFeature(Integer.toString(i)));
         }
 
         return simpleFeatureList;
diff --git a/src/main/java/com/gis3c/spatial/entity/BaseFeature.java b/src/main/java/com/gis3c/spatial/entity/BaseFeature.java
index bca7e20..12cf264 100644
--- a/src/main/java/com/gis3c/spatial/entity/BaseFeature.java
+++ b/src/main/java/com/gis3c/spatial/entity/BaseFeature.java
@@ -1,5 +1,6 @@
 package com.gis3c.spatial.entity;
 
+import com.gis3c.common.exception.BusinessException;
 import com.vividsolutions.jts.geom.Geometry;
 import org.geotools.feature.simple.SimpleFeatureBuilder;
 import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
@@ -55,11 +56,11 @@ public class BaseFeature {
      * @throws NullPointerException
      * @date 2017-07-10 下午6:39
      */
-    public SimpleFeatureType createFeatureType() throws NullPointerException{
+    public SimpleFeatureType createFeatureType() {
         SimpleFeatureTypeBuilder build = new SimpleFeatureTypeBuilder();
         SimpleFeatureType featureType=null;
         if(!geometryChecked()){
-            throw new NullPointerException("空间字段为空");
+            throw new BusinessException("空间字段为空");
         }
 
         CoordinateReferenceSystem crs = null;
@@ -77,28 +78,28 @@ public class BaseFeature {
     /**
      * @author hukekuan
      * @Description 生成SimpleFeature对象
-     * @param featureType,转换类对应的featureType
      * @param featureIndex,feature序列号
      * @return 对象转SimpleFeature
      * @throws IllegalArgumentException
      * @throws IllegalAccessException
      * @date 2017-07-10 下午7:10
      */
-    public SimpleFeature javaBean2SimpleFeature(SimpleFeatureType featureType, String featureIndex)
-            throws IllegalArgumentException, IllegalAccessException {
-        SimpleFeature simpleFeature = null;
-        if(featureType == null){
-            throw new IllegalArgumentException("featureType参数为空");
-        }
+    public SimpleFeature javaBean2SimpleFeature(String featureIndex) {
+        SimpleFeatureType featureType = this.createFeatureType();
         SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(featureType);
+
         List<Field> fields = this.AllFieldes();
         List<Object> objList = new ArrayList<>();
-        for (Field field : fields) {
-            field.setAccessible(true);
-            objList.add(field.get(this));
+        try {
+            for (Field field : fields) {
+                field.setAccessible(true);
+                objList.add(field.get(this));
+            }
+        } catch (IllegalAccessException e) {
+            throw new BusinessException("无访问权限");
         }
-        simpleFeature = featureBuilder.buildFeature(featureIndex, objList.toArray());
-        return simpleFeature;
+
+        return featureBuilder.buildFeature(featureIndex, objList.toArray());
     }
 
 
diff --git a/src/main/java/com/gis3c/spatial/service/RegionService.java b/src/main/java/com/gis3c/spatial/service/RegionService.java
index 74f0ee7..1f1eaf4 100644
--- a/src/main/java/com/gis3c/spatial/service/RegionService.java
+++ b/src/main/java/com/gis3c/spatial/service/RegionService.java
@@ -14,7 +14,7 @@ public interface RegionService {
      * 获取区域实体
      * @param reginCode
      */
-    public Region findRegionByCode(String reginCode);
+    public String findRegionByCode(String reginCode);
 
     /**
      * 获取区域中心点
@@ -28,14 +28,14 @@ public interface RegionService {
      * @param reginCode
      * @return
      */
-    public List<Region> findAroundRegions(String reginCode);
+    public String findAroundRegions(String reginCode);
 
     /**
      * 获取区域内部的所有子区域
      * @param parentCode
      * @return
      */
-    public List<Region> findRegionsByParentCode(String parentCode);
+    public String findRegionsByParentCode(String parentCode);
 
     /**
      * 获取子区域内部的所有子区域的中心点
diff --git a/src/main/java/com/gis3c/spatial/service/impl/RegionServiceImpl.java b/src/main/java/com/gis3c/spatial/service/impl/RegionServiceImpl.java
index 7093513..dad1e9c 100644
--- a/src/main/java/com/gis3c/spatial/service/impl/RegionServiceImpl.java
+++ b/src/main/java/com/gis3c/spatial/service/impl/RegionServiceImpl.java
@@ -1,13 +1,18 @@
 package com.gis3c.spatial.service.impl;
 
+import com.gis3c.common.exception.BusinessException;
+import com.gis3c.spatial.common.FeatureUtilities;
 import com.gis3c.spatial.dao.RegionDao;
 import com.gis3c.spatial.entity.Region;
 import com.gis3c.spatial.entity.RegionCenter;
 import com.gis3c.spatial.entity.RegionType;
 import com.gis3c.spatial.service.RegionService;
+import org.opengis.feature.simple.SimpleFeature;
+import org.opengis.feature.simple.SimpleFeatureType;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.io.IOException;
 import java.util.List;
 import java.util.Map;
 
@@ -20,11 +25,18 @@ public class RegionServiceImpl implements RegionService {
     private RegionDao regionDao;
 
     @Override
-    public Region findRegionByCode(String reginCode) {
-        return regionDao.findRegionByCode(
+    public String findRegionByCode(String reginCode) {
+        String regionJson = null;
+        Region queryRegion = regionDao.findRegionByCode(
                 regionTableByCode(reginCode).getName(),
                 reginCode
         );
+        try {
+            regionJson = FeatureUtilities.JavaBean2Json(queryRegion,"1");
+        } catch (IOException e) {
+            throw new BusinessException("Region实体转GeoJSON出错");
+        }
+        return regionJson;
     }
 
     @Override
@@ -36,25 +48,41 @@ public class RegionServiceImpl implements RegionService {
     }
 
     @Override
-    public List<Region> findAroundRegions(String reginCode) {
-        return regionDao.findAroundRegions(
+    public String findAroundRegions(String reginCode) {
+        String result = null;
+        List<Region> regionLsit = regionDao.findAroundRegions(
                 regionTableByCode(reginCode).getName(),
                 reginCode
         );
+        try {
+            result = FeatureUtilities.JavaBeans2Json(regionLsit);
+        } catch (IllegalAccessException | IOException e) {
+            throw new BusinessException("Region实体转GeoJSON出错");
+        }
+        return result;
     }
 
     @Override
-    public List<Region> findRegionsByParentCode(String parentCode) {
+    public String findRegionsByParentCode(String parentCode) {
+        String result = null;
+
         RegionType parentType = regionTableByCode(parentCode);
         RegionType regionType = parentType.ChildType();
         if (regionType == null) {
-            throw new IllegalArgumentException("新政区编号输入错误");
+            throw new BusinessException("新政区编号输入错误");
         }
 
-        return regionDao.findRegionsByParentCode(
+        List<Region> regionLsit = regionDao.findRegionsByParentCode(
                 regionType.getName(),
                 getlikeCode(parentCode)
         );
+
+        try {
+            result = FeatureUtilities.JavaBeans2Json(regionLsit);
+        } catch (IllegalAccessException | IOException e) {
+            throw new BusinessException("Region实体转GeoJSON出错");
+        }
+        return result;
     }
 
     @Override