diff --git a/dipper_position_run.sh b/dipper_position_run.sh
index fbea5dc..fb9d25a 100644
--- a/dipper_position_run.sh
+++ b/dipper_position_run.sh
@@ -18,7 +18,7 @@ if [[ ${environment} == 'pro' ]]; then
 	  mv /home/linwl/dipperposition/dipperposition.jar /home/data/dipperposition/dipperposition.jar
   fi
   
-  nohup java -Xmx2048M -Xms2048M -Djava.security.egd=file:/dev/./urandom -Dio.netty.leakDetectionLevel=ADVANCED -jar dipperposition.jar --spring.profiles.active=pro &
+  nohup java -Xmx1024M -Xms1024M -Djava.security.egd=file:/dev/./urandom -Dio.netty.leakDetectionLevel=ADVANCED -jar   dipperposition.jar --spring.profiles.active=pro &
 
 fi
 if [[ ${environment} == 'test' ]]; then
diff --git a/src/main/java/com/telpo/dipperposition/service/impl/DipperAstPosAsyncTaskServiceImpl.java b/src/main/java/com/telpo/dipperposition/service/impl/DipperAstPosAsyncTaskServiceImpl.java
index 800d6f7..ef21201 100644
--- a/src/main/java/com/telpo/dipperposition/service/impl/DipperAstPosAsyncTaskServiceImpl.java
+++ b/src/main/java/com/telpo/dipperposition/service/impl/DipperAstPosAsyncTaskServiceImpl.java
@@ -70,11 +70,17 @@ public class DipperAstPosAsyncTaskServiceImpl implements IDipperAstPosAsyncTaskS
                     }
                     //log.debug("IP省份获取错误，结果为：" + result);
                     JSONObject provinceJson = JSONObject.parseObject(result);
-                    String province = (String)provinceJson.get("province");
-                    if (ObjectUtils.isEmpty(province)) {
-                        log.debug("json is :" + buffer.toString());
-                        return null;
+                    String province = null;
+                    try {
+                        province = (String)provinceJson.get("province");
+                        if (ObjectUtils.isEmpty(province)) {
+                            log.debug("json is :" + buffer.toString());
+                            return null;
+                        }
+                    } catch (Exception e) {
+                        log.error("JSONObject分析出错，provinceJson：" + provinceJson);
                     }
+
                     return province;
                 }
             } else {
@@ -116,7 +122,7 @@ public class DipperAstPosAsyncTaskServiceImpl implements IDipperAstPosAsyncTaskS
         //this.centerProvinceFilePath = positionConfig.getCenterProvinceFilePath();
         // (1) 获取省会城市信息
         String centerAddress = getIpPositionProvince(ipAddress);
-        if (ObjectUtils.isEmpty(centerAddress) || centerAddress.equals("0")) {
+        if (centerAddress == null || ObjectUtils.isEmpty(centerAddress) || centerAddress.equals("0")) {
             log.warn("IP地址非法，无法获取辅助位置信息！");
             // 返回武汉的定位数据
             centerAddress = this.centerProvince;
@@ -132,10 +138,16 @@ public class DipperAstPosAsyncTaskServiceImpl implements IDipperAstPosAsyncTaskS
             String utf8CenterAddress = new String(utf8, "UTF-8");
             log.debug("centerAddress is " + utf8CenterAddress);
 
-            ProvinceInfoEntity entity = provinceInfoService.getProvinceInfo(utf8CenterAddress);
-            if (entity != null) {
-                lonValue = entity.getLon();
-                altValue = entity.getAlt();
+            if (utf8CenterAddress.endsWith("省") || utf8CenterAddress.endsWith("区") || utf8CenterAddress.endsWith("市")) {
+
+                ProvinceInfoEntity entity = provinceInfoService.getProvinceInfo(utf8CenterAddress);
+                if (entity != null) {
+                    lonValue = entity.getLon();
+                    altValue = entity.getAlt();
+                }
+            } else {
+                log.error("非法省份：" + utf8CenterAddress);
+                return null;
             }
         } catch (Exception e) {
             log.error(e.getMessage());
diff --git a/src/main/java/com/telpo/dipperposition/service/impl/ProvinceInfoServiceImpl.java b/src/main/java/com/telpo/dipperposition/service/impl/ProvinceInfoServiceImpl.java
index b9e7baf..46ae674 100644
--- a/src/main/java/com/telpo/dipperposition/service/impl/ProvinceInfoServiceImpl.java
+++ b/src/main/java/com/telpo/dipperposition/service/impl/ProvinceInfoServiceImpl.java
@@ -1,5 +1,6 @@
 package com.telpo.dipperposition.service.impl;
 
+import cn.hutool.core.util.ObjectUtil;
 import com.telpo.dipperposition.entity.mongo.ProvinceInfoEntity;
 import com.telpo.dipperposition.mapper.ProvinceInfoMapper;
 import com.telpo.dipperposition.service.IProvinceInfoService;
@@ -56,7 +57,11 @@ public class ProvinceInfoServiceImpl implements IProvinceInfoService {
       ExampleMatcher matcher = ExampleMatcher.matching().withIgnorePaths("_class");
       Example<ProvinceInfoEntity> example = Example.of(query, matcher);
       Optional<ProvinceInfoEntity> data = provinceInfoMapper.findOne(example);
-      return data.get();
+      if (ObjectUtil.isNotEmpty(data)) {
+        return data.get();
+      } else {
+        return null;
+      }
     } catch (Exception e) {
       log.error("获取省份异常:", e);
       return null;