diff --git a/springBootBlog/src/main/java/com/yen/mdblog/controller/AuthorEditController.java b/springBootBlog/src/main/java/com/yen/mdblog/controller/AuthorEditController.java
index 9546a0ef7..fe7f24114 100644
--- a/springBootBlog/src/main/java/com/yen/mdblog/controller/AuthorEditController.java
+++ b/springBootBlog/src/main/java/com/yen/mdblog/controller/AuthorEditController.java
@@ -41,7 +41,6 @@ public String preEdit(Model model, Principal principal) {
             try{
                 // add blogs for editing blogs at admin-age
                 PageHelper.startPage(PageConst.PAGE_NUM.getSize(), PageConst.PAGE_SIZE.getSize());
-                //authorList = DataUtil.iterable2List(authorRepository.findAll());
                 authorList = authorService.getAllAuthors();
                 pageInfo = new PageInfo<Author>(authorList, PageConst.PAGE_SIZE.getSize());
                 model.addAttribute("pageInfo", pageInfo);
diff --git a/springBootBlog/src/main/java/com/yen/mdblog/controller/AuthorRegisterController.java b/springBootBlog/src/main/java/com/yen/mdblog/controller/AuthorRegisterController.java
index a41ff9c42..8899bcb7d 100644
--- a/springBootBlog/src/main/java/com/yen/mdblog/controller/AuthorRegisterController.java
+++ b/springBootBlog/src/main/java/com/yen/mdblog/controller/AuthorRegisterController.java
@@ -1,8 +1,8 @@
 package com.yen.mdblog.controller;
 
-import com.yen.mdblog.entity.Po.Author;
 import com.yen.mdblog.entity.Vo.CreateAuthor;
 import com.yen.mdblog.mapper.AuthorMapper;
+import com.yen.mdblog.service.AuthorService;
 import lombok.extern.log4j.Log4j2;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
@@ -10,7 +10,6 @@
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;;import java.security.Principal;
-import java.util.Date;
 
 @Controller
 @RequestMapping("/register")
@@ -20,6 +19,9 @@ public class AuthorRegisterController {
     @Autowired
     AuthorMapper authorMapper;
 
+    @Autowired
+    AuthorService authorService;
+
     @GetMapping("/create")
     public String register(Model model, Principal principal){
 
@@ -31,25 +33,14 @@ public String register(Model model, Principal principal){
     @RequestMapping(value="/create", method= RequestMethod.POST)
     public String createUser(CreateAuthor request){
 
-        log.info("create new user start ...");
-        try{
-            Author author = new Author();
-            String name = request.getName();
-            String email = request.getEmail();
-            int id = authorMapper.getAuthorCount() + 1;
-            author.setId(id);
-            author.setName(name);
-            author.setEmail(email);
-            author.setCreateTime(new Date());
-            author.setUpdateTime(new Date());
-            log.info("author = " + author.toString());
-            authorMapper.insertAuthor(author);
+        String name = request.getName();
+        String email = request.getEmail();
+        Boolean createAuthorSuccess = authorService.createAuthor(name, email);
+        if (createAuthorSuccess){
             log.info("create new user OK ...");
             return "author/success_register";
-        }catch (Exception e){
-            String errorMsg = "create new user failed ..." + e;
-            log.error(errorMsg);
-            return errorMsg;
+        }else{
+            return "create new user failed";
         }
     }
 
diff --git a/springBootBlog/src/main/java/com/yen/mdblog/controller/PostController.java b/springBootBlog/src/main/java/com/yen/mdblog/controller/PostController.java
index cb9e1ae4c..13457240b 100644
--- a/springBootBlog/src/main/java/com/yen/mdblog/controller/PostController.java
+++ b/springBootBlog/src/main/java/com/yen/mdblog/controller/PostController.java
@@ -8,6 +8,7 @@
 import com.yen.mdblog.entity.Po.Post;
 import com.yen.mdblog.entity.Vo.CreateComment;
 import com.yen.mdblog.entity.Vo.CreatePost;
+import com.yen.mdblog.mapper.AuthorMapper;
 import com.yen.mdblog.mapper.PostMapper;
 import com.yen.mdblog.repository.PostRepository;
 import com.yen.mdblog.service.AuthorService;
@@ -55,6 +56,9 @@ public class PostController {
 	@Autowired
 	CommentService commentService;
 
+	@Autowired
+	AuthorMapper authorMapper;
+
 	@GetMapping("/all")
 	public String getPaginatedPosts(
 			@RequestParam(value = "pageNum", defaultValue = "0") int pageNum,
@@ -146,7 +150,7 @@ public String createPost(CreatePost request, Model model, Principal principal){
 			author.setCreateTime(new Date());
 			author.setUpdateTime(new Date());
 			author.setName(authorName);
-			authorService.saveAuthor(author);
+			authorMapper.insertAuthor(author);
 			Integer id = authorService.getByName(authorName).getId();
 			author.setId(id);
 		}else{
diff --git a/springBootBlog/src/main/java/com/yen/mdblog/service/AuthorService.java b/springBootBlog/src/main/java/com/yen/mdblog/service/AuthorService.java
index bee502dcd..cf6c57fe9 100644
--- a/springBootBlog/src/main/java/com/yen/mdblog/service/AuthorService.java
+++ b/springBootBlog/src/main/java/com/yen/mdblog/service/AuthorService.java
@@ -12,7 +12,7 @@ public interface AuthorService {
 
     List<Author> getAllAuthors();
 
-    void saveAuthor(Author author);
+    Boolean createAuthor(String name, String email);
 
     void updateAuthor(Author author);
 }
diff --git a/springBootBlog/src/main/java/com/yen/mdblog/service/impl/AuthorServiceImpl.java b/springBootBlog/src/main/java/com/yen/mdblog/service/impl/AuthorServiceImpl.java
index e08d43da5..b3111e22e 100644
--- a/springBootBlog/src/main/java/com/yen/mdblog/service/impl/AuthorServiceImpl.java
+++ b/springBootBlog/src/main/java/com/yen/mdblog/service/impl/AuthorServiceImpl.java
@@ -3,12 +3,15 @@
 import com.yen.mdblog.entity.Po.Author;
 import com.yen.mdblog.mapper.AuthorMapper;
 import com.yen.mdblog.service.AuthorService;
+import lombok.extern.log4j.Log4j2;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.Date;
 import java.util.List;
 
 @Service
+@Log4j2
 public class AuthorServiceImpl implements AuthorService {
 
     @Autowired
@@ -33,9 +36,23 @@ public List<Author> getAllAuthors() {
     }
 
     @Override
-    public void saveAuthor(Author author) {
-
-        authorMapper.insertAuthor(author);
+    public Boolean createAuthor(String name, String email) {
+        try{
+            Author newAuthor = new Author();
+            int id = authorMapper.getAuthorCount() + 1;
+            newAuthor.setId(id);
+            newAuthor.setName(name);
+            newAuthor.setEmail(email);
+            newAuthor.setCreateTime(new Date());
+            newAuthor.setUpdateTime(new Date());
+            log.info("save author = " + newAuthor);
+            authorMapper.insertAuthor(newAuthor);
+            log.info("create new user OK ...");
+            return true;
+        }catch (Exception e){
+            log.error("createAuthor failed : " + e);
+            return false;
+        }
     }
 
     @Override