diff --git a/jero-boot/jero-boot-module-demo/src/main/java/com/jero/modules/demo/mock/MockController.java b/jero-boot/jero-boot-module-demo/src/main/java/com/jero/modules/demo/mock/MockController.java
index f32cae46..2a5b8b32 100644
--- a/jero-boot/jero-boot-module-demo/src/main/java/com/jero/modules/demo/mock/MockController.java
+++ b/jero-boot/jero-boot-module-demo/src/main/java/com/jero/modules/demo/mock/MockController.java
@@ -3,6 +3,7 @@ package com.jero.modules.demo.mock;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -27,8 +28,10 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class MockController {
 
-	private final String JSON_PATH = "classpath:com/jero/modules/demo/mock/json";
-	
+	private static final String JSON_PATH = "classpath:com/jero/modules/demo/mock/json";
+
+	private static final String CN_TR_NO_COUNT_INFO_PATH = "classpath:com/jero/modules/demo/mock/json/getCntrNoCountInfo.json";
+
 	/**
 	 * 通用json访问接口
 	 * 格式： http://localhost:8080/jero-boot/api/json/{filename}
@@ -40,17 +43,17 @@ public class MockController {
 		String jsonpath = "classpath:com/jero/modules/demo/mock/json/"+filename+".json";
 		return readJson(jsonpath);
 	}
-	
+
 	@GetMapping(value = "/asynTreeList")
 	public String asynTreeList(String id) {
 		return readJson(JSON_PATH + "/asyn_tree_list_" + id + ".json");
 	}
-	
+
 	@GetMapping(value = "/user")
 	public String user() {
 		return readJson("classpath:com/jero/modules/demo/mock/json/user.json");
 	}
-	
+
 	/**
 	 * 老的登录获取用户信息接口
 	 * @return
@@ -79,7 +82,7 @@ public class MockController {
 	public String permission_no_page() {
 		return readJson("classpath:com/jero/modules/demo/mock/json/permission_no_page.json");
 	}
-	
+
 	/**
 	 * 省市县
 	 */
@@ -87,25 +90,25 @@ public class MockController {
 	public String area() {
 		return readJson("classpath:com/jero/modules/demo/mock/json/area.json");
 	}
-	
+
 	/**
 	  * 测试报表数据
 	 */
 	@GetMapping(value = "/report/getYearCountInfo")
 	public String getYearCountInfo() {
-		return readJson("classpath:com/jero/modules/demo/mock/json/getCntrNoCountInfo.json");
+		return readJson(CN_TR_NO_COUNT_INFO_PATH);
 	}
 	@GetMapping(value = "/report/getMonthCountInfo")
 	public String getMonthCountInfo() {
-		return readJson("classpath:com/jero/modules/demo/mock/json/getCntrNoCountInfo.json");
+		return readJson(CN_TR_NO_COUNT_INFO_PATH);
 	}
 	@GetMapping(value = "/report/getCntrNoCountInfo")
 	public String getCntrNoCountInfo() {
-		return readJson("classpath:com/jero/modules/demo/mock/json/getCntrNoCountInfo.json");
+		return readJson(CN_TR_NO_COUNT_INFO_PATH);
 	}
 	@GetMapping(value = "/report/getCabinetCountInfo")
 	public String getCabinetCountInfo() {
-		return readJson("classpath:com/jero/modules/demo/mock/json/getCntrNoCountInfo.json");
+		return readJson(CN_TR_NO_COUNT_INFO_PATH);
 	}
 	@GetMapping(value = "/report/getTubiao")
 	public String getTubiao() {
@@ -128,7 +131,7 @@ public class MockController {
 	        File[] fs = File.listRoots();
 	        log.info("查询磁盘信息:"+fs.length+"个");
 	        List<Map<String,Object>> list = new ArrayList<>();
-	        
+
 	        for (int i = 0; i < fs.length; i++) {
 	        	if(fs[i].getTotalSpace()==0) {
 	        		continue;
@@ -148,7 +151,7 @@ public class MockController {
 		}
 		return res;
 	}
-	
+
 	//-------------------------------------------------------------------------------------------
 	/**
 	 * 工作台首页的数据
@@ -163,23 +166,23 @@ public class MockController {
 	public String activity() {
 		return readJson("classpath:com/jero/modules/demo/mock/json/workplace_activity.json");
 	}
-	
+
 	@GetMapping(value = "/workplace/teams")
 	public String teams() {
 		return readJson("classpath:com/jero/modules/demo/mock/json/workplace_teams.json");
 	}
-	
+
 	@GetMapping(value = "/workplace/radar")
 	public String radar() {
 		return readJson("classpath:com/jero/modules/demo/mock/json/workplace_radar.json");
 	}
-	
+
 	@GetMapping(value = "/task/process")
 	public String taskProcess() {
 		return readJson("classpath:com/jero/modules/demo/mock/json/task_process.json");
 	}
 	//-------------------------------------------------------------------------------------------
-	
+
 	//author:lvdandan-----date：20190315---for:添加数据日志json----
 	public String sysDataLogJson() {
 		return readJson("classpath:com/jero/modules/demo/mock/json/sysdatalog.json");
@@ -204,7 +207,7 @@ public class MockController {
 			//json = FileUtils.re.readFileToString(jsonFile);
 			//换个写法，解决springboot读取jar包中文件的问题
 			InputStream stream = getClass().getClassLoader().getResourceAsStream(jsonSrc.replace("classpath:", ""));
-			json = IOUtils.toString(stream,"UTF-8");
+			json = IOUtils.toString(stream, StandardCharsets.UTF_8);
 		} catch (IOException e) {
 			log.error(e.getMessage(),e);
 		}