diff --git a/src/main/java/com/bsd/cases/mapper/CaseContentStaticalMapper.java b/src/main/java/com/bsd/cases/mapper/CaseContentStaticalMapper.java
index d7e017d..dfc5156 100644
--- a/src/main/java/com/bsd/cases/mapper/CaseContentStaticalMapper.java
+++ b/src/main/java/com/bsd/cases/mapper/CaseContentStaticalMapper.java
@@ -2,8 +2,10 @@ package com.bsd.cases.mapper;
 
 import com.bsd.cases.model.CaseContentStatical;
 import com.bsd.cases.util.CommonMapper;
+import org.apache.ibatis.annotations.Param;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface CaseContentStaticalMapper extends CommonMapper<CaseContentStatical> {
+    Integer countHotByCategoryId(@Param("categoryId") Long categoryId);
 }
diff --git a/src/main/java/com/bsd/cases/service/impl/CaseCategoryServiceImpl.java b/src/main/java/com/bsd/cases/service/impl/CaseCategoryServiceImpl.java
index bca8c07..42b6d04 100644
--- a/src/main/java/com/bsd/cases/service/impl/CaseCategoryServiceImpl.java
+++ b/src/main/java/com/bsd/cases/service/impl/CaseCategoryServiceImpl.java
@@ -94,6 +94,8 @@ public class CaseCategoryServiceImpl extends BaseServiceImpl<CaseCategoryMapper,
             caseCategoryVo.setUrl(caseCategory.getUrl());
             String parenName = caseCategoryMapper.selectByPrimaryKey(parentId).getName();
             caseCategoryVo.setParentName(parenName);
+            Integer hotNum = caseContentStaticalMapper.countHotByCategoryId(caseCategory.getId());
+            caseCategoryVo.setHotNum(hotNum);
             newCaseCategoryVoList.add(caseCategoryVo);
         }
         JSONObject jsonObject = new JSONObject();
@@ -102,7 +104,7 @@ public class CaseCategoryServiceImpl extends BaseServiceImpl<CaseCategoryMapper,
         jsonObject.put("pageNum",pageNum);
         jsonObject.put("pages",(int) Math.ceil(Double.valueOf(pageJson.getInteger("total")) / Double.valueOf(pageSize)));
         jsonObject.put("pageSize",pageSize);
-        return pageJson;
+        return jsonObject;
     }
 
     /**
diff --git a/src/main/java/com/bsd/cases/vo/CaseCategoryVo.java b/src/main/java/com/bsd/cases/vo/CaseCategoryVo.java
index 503c7eb..b17c941 100644
--- a/src/main/java/com/bsd/cases/vo/CaseCategoryVo.java
+++ b/src/main/java/com/bsd/cases/vo/CaseCategoryVo.java
@@ -8,4 +8,6 @@ public class CaseCategoryVo extends CaseCategory {
 
     private String parentName;
 
+    private Integer hotNum;
+
 }
diff --git a/src/main/resources/mapper/CaseContentStaticalMapper.xml b/src/main/resources/mapper/CaseContentStaticalMapper.xml
new file mode 100644
index 0000000..81a19df
--- /dev/null
+++ b/src/main/resources/mapper/CaseContentStaticalMapper.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.bsd.cases.mapper.CaseContentStaticalMapper">
+    <select id="countHotByCategoryId" resultType="Integer">
+        SELECT SUM(`ccs`.view_num) as hot FROM `case_content_statical` ccs left join case_content cc
+        ON cc.id = ccs.content_id
+        where cc.category_id = #{categoryId}
+    </select>
+</mapper>