diff --git a/tamguo/src/main/java/com/tamguo/web/CourseController.java b/tamguo/src/main/java/com/tamguo/web/CourseController.java
index ab296f2..ed09029 100644
--- a/tamguo/src/main/java/com/tamguo/web/CourseController.java
+++ b/tamguo/src/main/java/com/tamguo/web/CourseController.java
@@ -36,18 +36,23 @@ public class CourseController {
 
 	@RequestMapping(value = {"course/{uid}"}, method = RequestMethod.GET)
 	public ModelAndView index(@PathVariable String uid , ModelAndView model) {
-		CourseEntity course = iCourseService.find(uid);
-		SubjectEntity subject = iSubjectService.find(course.getSubjectId());
-		List<ChapterEntity> chapterList = iChapterService.findCourseChapter(uid);
-		List<CourseEntity> courseList = iCourseService.findBySubjectId(course.getSubjectId());
-		
-		model.addObject("chapterList", chapterList);
-		model.addObject("courseList", courseList);
-		model.addObject("course", course);
-		model.addObject("subject", subject);
-		
-		model.setViewName("chapter");
-		return model;
+		try {
+			CourseEntity course = iCourseService.find(uid);
+			SubjectEntity subject = iSubjectService.find(course.getSubjectId());
+			List<ChapterEntity> chapterList = iChapterService.findCourseChapter(uid);
+			List<CourseEntity> courseList = iCourseService.findBySubjectId(course.getSubjectId());
+			
+			model.addObject("chapterList", chapterList);
+			model.addObject("courseList", courseList);
+			model.addObject("course", course);
+			model.addObject("subject", subject);
+			
+			model.setViewName("chapter");
+			return model;
+		} catch (Exception e) {
+			model.setViewName("404");
+			return model;
+		}
 	}
 	
 	@RequestMapping(value = {"course/findChapter"}, method = RequestMethod.GET)
diff --git a/tamguo/src/main/java/com/tamguo/web/PaperController.java b/tamguo/src/main/java/com/tamguo/web/PaperController.java
index a27afc0..2c26b6d 100644
--- a/tamguo/src/main/java/com/tamguo/web/PaperController.java
+++ b/tamguo/src/main/java/com/tamguo/web/PaperController.java
@@ -46,45 +46,57 @@ public class PaperController {
 	@RequestMapping(value = {"paperlist/{subjectId}-{courseId}-{paperType}-{year}-{area}-{pageNum}"}, method = RequestMethod.GET)
     public ModelAndView indexAction(@PathVariable String subjectId , @PathVariable String courseId , @PathVariable String paperType,
     		@PathVariable String year , @PathVariable String area , @PathVariable Integer pageNum, ModelAndView model) {
-    	model.setViewName("paperlist");
-    	
-    	CourseEntity course = iCourseService.find(courseId);
-    	List<CourseEntity> courseList = iCourseService.findBySubjectId(subjectId);
-    	SubjectEntity subject = iSubjectService.find(subjectId);
-    	List<AreaEntity> areaList = iAreaService.findRootArea();
-    	PageUtils page = PageUtils.getPage(iPaperService.findList(subjectId , courseId , paperType , year , area , pageNum));
-    	if(course == null) {
-    		course = courseList.get(0);
-    	}
-    	Long total = iPaperService.getPaperTotal();
-    	model.addObject("courseList", courseList);
-    	model.addObject("subject", subject);
-    	model.addObject("course", course);
-    	model.addObject("areaList", areaList);
-    	model.addObject("paperPage" , page);
-    	model.addObject("total" , total);
-    	model.addObject("courseId", course.getUid());
-    	model.addObject("paperType", paperType);
-    	model.addObject("year", year);
-    	model.addObject("area", area);
-        return model;
+    	try {
+    		model.setViewName("paperlist");
+        	
+        	CourseEntity course = iCourseService.find(courseId);
+        	List<CourseEntity> courseList = iCourseService.findBySubjectId(subjectId);
+        	SubjectEntity subject = iSubjectService.find(subjectId);
+        	List<AreaEntity> areaList = iAreaService.findRootArea();
+        	PageUtils page = PageUtils.getPage(iPaperService.findList(subjectId , courseId , paperType , year , area , pageNum));
+        	if(course == null) {
+        		course = courseList.get(0);
+        	}
+        	Long total = iPaperService.getPaperTotal();
+        	model.addObject("courseList", courseList);
+        	model.addObject("subject", subject);
+        	model.addObject("course", course);
+        	model.addObject("areaList", areaList);
+        	model.addObject("paperPage" , page);
+        	model.addObject("total" , total);
+        	model.addObject("courseId", course.getUid());
+        	model.addObject("paperType", paperType);
+        	model.addObject("year", year);
+        	model.addObject("area", area);
+            return model;
+		} catch (Exception e) {
+			model.setViewName("404");
+			return model;
+		}
+		
     }
 	
 	@RequestMapping(value = {"/paper/{paperId}.html"}, method = RequestMethod.GET)
 	public ModelAndView indexAction(@PathVariable String paperId , ModelAndView model){
-		model.setViewName("paper");
-		PaperEntity paper = iPaperService.find(paperId);
-		model.addObject("paper", paper);
-		model.addObject("subject", StringUtils.isEmpty(paper.getSubjectId()) ? null : iSubjectService.find(paper.getSubjectId()));
-		model.addObject("course", StringUtils.isEmpty(paper.getCourseId()) ? null : iCourseService.find(paper.getCourseId()));
-		model.addObject("questionList", iQuestionService.findPaperQuestion(paperId));
+		try {
+			model.setViewName("paper");
+			PaperEntity paper = iPaperService.find(paperId);
+			model.addObject("paper", paper);
+			model.addObject("subject", StringUtils.isEmpty(paper.getSubjectId()) ? null : iSubjectService.find(paper.getSubjectId()));
+			model.addObject("course", StringUtils.isEmpty(paper.getCourseId()) ? null : iCourseService.find(paper.getCourseId()));
+			model.addObject("questionList", iQuestionService.findPaperQuestion(paperId));
 
-    	// 获取推荐试卷
-		model.addObject("zhentiPaperList", iPaperService.featuredPaper(TamguoConstant.ZHENGTI_PAPER_ID, paper.getSubjectId()));
-		model.addObject("moniPaperList", iPaperService.featuredPaper(TamguoConstant.MONI_PAPER_ID, paper.getSubjectId()));
-		model.addObject("yatiPaperList", iPaperService.featuredPaper(TamguoConstant.YATI_PAPER_ID, paper.getSubjectId()));
-		model.addObject("hotPaperList", iPaperService.findHotPaper(paper.getSubjectId(), paper.getCourseId()));
-		return model;
+	    	// 获取推荐试卷
+			model.addObject("zhentiPaperList", iPaperService.featuredPaper(TamguoConstant.ZHENGTI_PAPER_ID, paper.getSubjectId()));
+			model.addObject("moniPaperList", iPaperService.featuredPaper(TamguoConstant.MONI_PAPER_ID, paper.getSubjectId()));
+			model.addObject("yatiPaperList", iPaperService.featuredPaper(TamguoConstant.YATI_PAPER_ID, paper.getSubjectId()));
+			model.addObject("hotPaperList", iPaperService.findHotPaper(paper.getSubjectId(), paper.getCourseId()));
+			return model;
+		} catch (Exception e) {
+			model.setViewName("404");
+			return model;
+		}
+		
 	}
 	
 	@RequestMapping(value = {"/paper/area/{areaId}-{type}.html"}, method = RequestMethod.GET)
diff --git a/tamguo/src/main/java/com/tamguo/web/QuestionContrller.java b/tamguo/src/main/java/com/tamguo/web/QuestionContrller.java
index bbdb842..a62c663 100644
--- a/tamguo/src/main/java/com/tamguo/web/QuestionContrller.java
+++ b/tamguo/src/main/java/com/tamguo/web/QuestionContrller.java
@@ -35,27 +35,33 @@ public class QuestionContrller {
 	@RequestMapping(value = {"questionlist/{chapterId}-{offset}-{limit}"}, method = RequestMethod.GET)
 	public ModelAndView questionList(@PathVariable String chapterId , @PathVariable Integer offset , 
 			@PathVariable Integer limit , ModelAndView model){
-		model.setViewName("questionList");
+		try {
+			model.setViewName("questionList");
 
-		ChapterEntity chapter = iChapterService.findById(chapterId);
-		CourseEntity course = iCourseService.find(chapter.getCourseId());
-		SubjectEntity subject = iSubjectService.find(course.getSubjectId());
-		ChapterEntity parentChapter = iChapterService.findById(chapter.getParentId());
-		ChapterEntity nextChapter = iChapterService.findNextPoint(chapter.getParentId() , chapter.getOrders());
+			ChapterEntity chapter = iChapterService.findById(chapterId);
+			CourseEntity course = iCourseService.find(chapter.getCourseId());
+			SubjectEntity subject = iSubjectService.find(course.getSubjectId());
+			ChapterEntity parentChapter = iChapterService.findById(chapter.getParentId());
+			ChapterEntity nextChapter = iChapterService.findNextPoint(chapter.getParentId() , chapter.getOrders());
+			
+			Page<QuestionEntity> page = new Page<>();
+			page.setCurrent(offset);
+			page.setSize(limit);
+			Page<QuestionEntity> questionList = iQuestionService.findByChapterId(chapterId , page);
+			model.addObject("subject", subject);
+			model.addObject("course", course);
+			model.addObject("chapter", chapter);
+			model.addObject("parentChapter" , parentChapter);
+			model.addObject("nextChapter" , nextChapter);
+			model.addObject("questionList", questionList);
+			model.addObject("subjectId", course.getSubjectId());
+			model.addObject("courseId", course.getUid());
+			return model;
+		} catch (Exception e) {
+			model.setViewName("404");
+			return model;
+		}
 		
-		Page<QuestionEntity> page = new Page<>();
-		page.setCurrent(offset);
-		page.setSize(limit);
-		Page<QuestionEntity> questionList = iQuestionService.findByChapterId(chapterId , page);
-		model.addObject("subject", subject);
-		model.addObject("course", course);
-		model.addObject("chapter", chapter);
-		model.addObject("parentChapter" , parentChapter);
-		model.addObject("nextChapter" , nextChapter);
-		model.addObject("questionList", questionList);
-		model.addObject("subjectId", course.getSubjectId());
-		model.addObject("courseId", course.getUid());
-		return model;
 	}
 	
 	/**
@@ -66,17 +72,23 @@ public class QuestionContrller {
 	 */
 	@RequestMapping(value = {"/question/{uid}.html"}, method = RequestMethod.GET)
 	public ModelAndView question(@PathVariable String uid , ModelAndView model){
-		model.setViewName("question");
-		QuestionEntity question = iQuestionService.findNormalQuestion(uid);
-		question.setQuestionType(QuestionType.getQuestionType(question.getQuestionType()).getDesc());
-		model.addObject("question", question);
+		try {
+			model.setViewName("question");
+			QuestionEntity question = iQuestionService.findNormalQuestion(uid);
+			question.setQuestionType(QuestionType.getQuestionType(question.getQuestionType()).getDesc());
+			model.addObject("question", question);
+			
+			// 推荐试题
+			model.addObject("featuredQuestionList", iQuestionService.featuredQuestion(question.getSubjectId(),question.getCourseId()));
+			return model;
+		} catch (Exception e) {
+			model.setViewName("404");
+			return model;
+		}
 		
-		// 推荐试题
-		model.addObject("featuredQuestionList", iQuestionService.featuredQuestion(question.getSubjectId(),question.getCourseId()));
-		return model;
 	}
 	
-	@RequestMapping(value = {"/question/getQuestion/{uid}.html"}, method = RequestMethod.GET)
+	@RequestMapping(value = {"question/getQuestion/{uid}"}, method = RequestMethod.GET)
 	@ResponseBody
 	public Result getQuestion(@PathVariable String uid , ModelAndView model){
 		return Result.successResult(iQuestionService.select(uid));
diff --git a/tamguo/src/main/java/com/tamguo/web/SchoolController.java b/tamguo/src/main/java/com/tamguo/web/SchoolController.java
index 5e4b57d..2c504cf 100644
--- a/tamguo/src/main/java/com/tamguo/web/SchoolController.java
+++ b/tamguo/src/main/java/com/tamguo/web/SchoolController.java
@@ -24,7 +24,7 @@ public class SchoolController {
 	@Autowired
 	private ISchoolService iSchoolService;
 	
-	@RequestMapping(value = {"/school/area/{areaId}.html"}, method = RequestMethod.GET)
+	@RequestMapping(value = {"school/area/{areaId}"}, method = RequestMethod.GET)
 	@ResponseBody
 	public List<SchoolEntity> findSchoolByAreaId(@PathVariable String areaId , ModelAndView model){
 		return iSchoolService.findEliteSchoolPaper(areaId);
@@ -35,7 +35,7 @@ public class SchoolController {
 	 * @param areaId
 	 * @return
 	 */
-	@RequestMapping(value = {"/school/findByAreaId.html"}, method = RequestMethod.GET)
+	@RequestMapping(value = {"school/findByAreaId"}, method = RequestMethod.GET)
 	@ResponseBody
 	public List<SchoolEntity> findSchoolByAreaId(String areaId){
 		return iSchoolService.findSchoolByAreaId(areaId);
diff --git a/tamguo/src/main/java/com/tamguo/web/SubjectController.java b/tamguo/src/main/java/com/tamguo/web/SubjectController.java
index bd011ab..e90dd0a 100644
--- a/tamguo/src/main/java/com/tamguo/web/SubjectController.java
+++ b/tamguo/src/main/java/com/tamguo/web/SubjectController.java
@@ -36,17 +36,23 @@ public class SubjectController {
 
 	@RequestMapping(value = {"subject/{subjectId}.html"}, method = RequestMethod.GET)
     public ModelAndView indexAction(@PathVariable String subjectId , ModelAndView model) {
-		SubjectEntity subject = iSubjectService.find(subjectId);
-		// 获取第一个科目
-		CourseEntity course = subject.getCourseList().get(0);
-		List<ChapterEntity> chapterList = iChapterService.findCourseChapter(course.getUid());
-    	model.setViewName("subject");
-    	model.addObject("subject", subject);
-    	model.addObject("course" , course);
-    	model.addObject("courseList", subject.getCourseList());
-    	model.addObject("chapterList" , chapterList);
-    	model.addObject("areaList", iAreaService.findRootArea());
-        return model;
+		try {
+			SubjectEntity subject = iSubjectService.find(subjectId);
+			// 获取第一个科目
+			CourseEntity course = subject.getCourseList().get(0);
+			List<ChapterEntity> chapterList = iChapterService.findCourseChapter(course.getUid());
+	    	model.setViewName("subject");
+	    	model.addObject("subject", subject);
+	    	model.addObject("course" , course);
+	    	model.addObject("courseList", subject.getCourseList());
+	    	model.addObject("chapterList" , chapterList);
+	    	model.addObject("areaList", iAreaService.findRootArea());
+	        return model;
+		} catch (Exception e) {
+			model.setViewName("404");
+			return model;
+		}
+		
     }
 	
 	@RequestMapping(value = {"subject/getCourseTree.html"}, method = RequestMethod.GET)