diff --git a/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java b/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java
index df39819..5ef7a69 100644
--- a/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java
+++ b/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java
@@ -82,7 +82,7 @@
 
     //-----------------------------------------------
     @GET("rooms/{rid}/game/turns/{tno}/hint")
-    Call<String> getHint(
+    Call<ResponseBody> getHint(
             @Path("rid") String rid,
             @Path("tno") Integer tno
     );
diff --git a/app/src/main/java/org/ntlab/irisclient/viewmodels/GameViewModel.java b/app/src/main/java/org/ntlab/irisclient/viewmodels/GameViewModel.java
index e27ab73..205eb27 100644
--- a/app/src/main/java/org/ntlab/irisclient/viewmodels/GameViewModel.java
+++ b/app/src/main/java/org/ntlab/irisclient/viewmodels/GameViewModel.java
@@ -371,28 +371,38 @@
 
     //Hintの更新
     public void updateHint() {
-        Call<String> call = gameRest.getHint(rid, tno);
+        Call<ResponseBody> call = gameRest.getHint(rid, tno);
 
-        call.enqueue(new Callback<String>() {
+        call.enqueue(new Callback<ResponseBody>() {
             @Override
-            public void onResponse(Call<String> call, Response<String> response) {
+            public void onResponse(Call<ResponseBody> call, Response<ResponseBody> response) {
                 if (response.isSuccessful()){
                     if(hintPreData == null){
-                        //初回代入
-                        hintMutableLiveData.setValue(response.body());
-                        hintPreData = response.body();
-                    }else if(response.body().equals(hintPreData)){
+                        try {
+                            hintMutableLiveData.setValue(response.body().string());
+
+                            hintPreData = hintMutableLiveData.getValue();
+                            System.out.println("今回のヒントは" + hintPreData + "です(初回)"+hintMutableLiveData.getValue());
+                        } catch (IOException e) {
+                            e.printStackTrace();
+                        }
+                    }else if(hintMutableLiveData.getValue().equals(hintPreData)){
                         //値が一緒なら書き換えない
                     }else{
-                        //値が異なるときのみライブデータを上書き
-                        hintMutableLiveData.setValue(response.body());
-                        hintPreData = response.body();
+                        try {
+                            hintMutableLiveData.setValue(response.body().string());
+                            hintPreData = hintMutableLiveData.getValue();
+                        } catch (IOException e) {
+                            e.printStackTrace();
+                        }
+
+                        System.out.println("今回のヒントは" + hintPreData + "です");
                     }
                 }
             }
 
             @Override
-            public void onFailure(Call<String> call, Throwable t) {
+            public void onFailure(Call<ResponseBody> call, Throwable t) {
                 System.out.println("通信失敗:updateHint");
                 System.out.println(t);
             }