diff --git a/src/main/java/com/community/pocket/api/android/UserController.java b/src/main/java/com/community/pocket/api/android/UserController.java
index 40d71d1..cafa8c9 100644
--- a/src/main/java/com/community/pocket/api/android/UserController.java
+++ b/src/main/java/com/community/pocket/api/android/UserController.java
@@ -99,11 +99,16 @@ public class UserController {
      */
     @PostMapping("/resetpwd/resetPwd")
     public ResetPwdResponse resetPwd(UserResetPwd userResetPwd) {
-        if(userDao.resetPwd(userResetPwd.getUsername(),userResetPwd.getPassword())){
-            return new ResetPwdResponse(Result.OK, ResetPwdResponse.Msg.step3_ok);
-        }else{
-            return new ResetPwdResponse(Result.FAIL, ResetPwdResponse.Msg.step3_fail);
+        if (userDao.isNotDiffPwd(userResetPwd)) {
+            return new ResetPwdResponse(Result.FAIL, ResetPwdResponse.Msg.step3_diff_password);
+        } else {
+            if (userDao.resetPwd(userResetPwd)) {
+                return new ResetPwdResponse(Result.OK, ResetPwdResponse.Msg.step3_ok);
+            } else {
+                return new ResetPwdResponse(Result.FAIL, ResetPwdResponse.Msg.step3_fail);
+            }
         }
+
     }
 
     /**
diff --git a/src/main/java/com/community/pocket/entity/vo/android/ResetPwdResponse.java b/src/main/java/com/community/pocket/entity/vo/android/ResetPwdResponse.java
index 35f323f..81f50e0 100644
--- a/src/main/java/com/community/pocket/entity/vo/android/ResetPwdResponse.java
+++ b/src/main/java/com/community/pocket/entity/vo/android/ResetPwdResponse.java
@@ -20,6 +20,7 @@ public class ResetPwdResponse extends Response<ResetPwdResponse.Msg> {
         step2_valid_ok,
         step2_valid_fail,
         step3_ok,
-        step3_fail
+        step3_fail,
+        step3_diff_password
     }
 }
diff --git a/src/main/java/com/community/pocket/repository/android/UserDao.java b/src/main/java/com/community/pocket/repository/android/UserDao.java
index de83f79..8e7b294 100644
--- a/src/main/java/com/community/pocket/repository/android/UserDao.java
+++ b/src/main/java/com/community/pocket/repository/android/UserDao.java
@@ -7,6 +7,7 @@ import com.community.pocket.entity.vo.android.*;
 import com.community.pocket.entity.vo.web.EditScore;
 import com.community.pocket.repository.BaseDao;
 import com.community.pocket.repository.CreditScoreDao;
+import com.community.pocket.repository.EmailDao;
 import com.community.pocket.util.LookupOperationUtil;
 import com.mongodb.client.result.UpdateResult;
 import org.slf4j.Logger;
@@ -35,6 +36,9 @@ public class UserDao extends BaseDao<MyInfo> {
     @Autowired
     private CreditScoreDao creditScoreDao;
 
+    @Autowired
+    private EmailDao emailDao;
+
     @Value("${register.credit-score}")
     private int creditScore;
 
@@ -122,22 +126,33 @@ public class UserDao extends BaseDao<MyInfo> {
     }
 
     //检查用户和邮箱是否对应
-    public boolean hasUseWithEmail(String username, String email){
-        if(!StringUtils.isEmpty(username)&&!StringUtils.isEmpty(email)){
-            return mongoTemplate.exists(new Query().addCriteria(Criteria.where("username").is(username).and("email").is(email)),entityClass());
-        }else{
+    public boolean hasUseWithEmail(String username, String email) {
+        if (!StringUtils.isEmpty(username) && !StringUtils.isEmpty(email)) {
+            return mongoTemplate.exists(new Query().addCriteria(Criteria.where("username").is(username).and("email").is(email)), entityClass());
+        } else {
             return false;
         }
     }
-    
+
+
+    //检查新密码是否和原密码重复
+    public boolean isNotDiffPwd(UserResetPwd userResetPwd) {
+        String md5Password = DigestUtils.md5DigestAsHex(userResetPwd.getPassword().getBytes());
+        MyInfo myInfo = mongoTemplate.findById(userResetPwd.getUsername(), entityClass());
+        return myInfo != null && myInfo.getPassword().equals(md5Password) && emailDao.clearEmail(myInfo.getEmail());
+    }
 
     //重置密码
-    public boolean resetPwd(String username,String password){
-        if(!StringUtils.isEmpty(username)&&!StringUtils.isEmpty(password)){
-            String md5Password= DigestUtils.md5DigestAsHex(password.getBytes());
-            UpdateResult result=mongoTemplate.updateFirst(new Query().addCriteria(Criteria.where("username").is(username)), Update.update("password",md5Password),entityClass());
+    public boolean resetPwd(UserResetPwd userResetPwd) {
+        String username = userResetPwd.getUsername();
+        String password = userResetPwd.getPassword();
+        String md5Password = DigestUtils.md5DigestAsHex(password.getBytes());
+        if (!StringUtils.isEmpty(username) && !StringUtils.isEmpty(md5Password)) {
+            UpdateResult result = mongoTemplate.updateFirst(new Query().addCriteria(
+                    Criteria.where("username").is(username)),
+                    Update.update("password", md5Password), entityClass());
             return result.wasAcknowledged();
-        }else{
+        } else {
             return false;
         }
     }