diff --git a/cmkg/src/main/java/com/cmkg/cmkg/database/ReturnData.java b/cmkg/src/main/java/com/cmkg/cmkg/database/ReturnData.java
index c48c004..75290f9 100644
--- a/cmkg/src/main/java/com/cmkg/cmkg/database/ReturnData.java
+++ b/cmkg/src/main/java/com/cmkg/cmkg/database/ReturnData.java
@@ -6,7 +6,6 @@ import com.cmkg.cmkg.node.medicine;
 public class ReturnData {
 
     private String message;
-//  private com.cmkg.cmkg.node.disease disease_data;
     private Object data;
     private int code;
 
diff --git a/cmkg/src/main/java/com/cmkg/cmkg/server/QuestionService.java b/cmkg/src/main/java/com/cmkg/cmkg/server/QuestionService.java
index 2d504fb..10ed7ed 100644
--- a/cmkg/src/main/java/com/cmkg/cmkg/server/QuestionService.java
+++ b/cmkg/src/main/java/com/cmkg/cmkg/server/QuestionService.java
@@ -1,6 +1,6 @@
 package com.cmkg.cmkg.server;
 
 public interface QuestionService {
-    String answer(String question) throws Exception;
+   public String answer(String question) throws Exception;
     void showDictPat();
 }