diff --git a/doc/软件设计/~$设计规格说明书-秀米日记.doc b/doc/软件设计/~$设计规格说明书-秀米日记.doc
deleted file mode 100644
index 5fbb8bd..0000000
Binary files a/doc/软件设计/~$设计规格说明书-秀米日记.doc and /dev/null differ
diff --git a/src/showme/app/src/main/java/com/diary/showme/diary/ui/AddDiaryActivity.java b/src/showme/app/src/main/java/com/diary/showme/diary/ui/AddDiaryActivity.java
index b0b8218..cd8be34 100644
--- a/src/showme/app/src/main/java/com/diary/showme/diary/ui/AddDiaryActivity.java
+++ b/src/showme/app/src/main/java/com/diary/showme/diary/ui/AddDiaryActivity.java
@@ -497,6 +497,6 @@ public class AddDiaryActivity extends AppCompatActivity {
     @Override
     public void onBackPressed() {
         super.onBackPressed();
-        DiaryActivity.startActivity(this);
+//        DiaryActivity.startActivity(this);
     }
 }
\ No newline at end of file
diff --git a/src/showme/app/src/main/java/com/diary/showme/diary/ui/CardActivity.java b/src/showme/app/src/main/java/com/diary/showme/diary/ui/CardActivity.java
index be4eb3a..6bb6f30 100644
--- a/src/showme/app/src/main/java/com/diary/showme/diary/ui/CardActivity.java
+++ b/src/showme/app/src/main/java/com/diary/showme/diary/ui/CardActivity.java
@@ -61,5 +61,9 @@ public class CardActivity extends AppCompatActivity {
         context.startActivity(intent);
     }
 
+    @Override
+    public void onBackPressed() {
+        super.onBackPressed();
 
+    }
 }
diff --git a/src/showme/app/src/main/java/com/diary/showme/diary/ui/UpdateDiaryActivity.java b/src/showme/app/src/main/java/com/diary/showme/diary/ui/UpdateDiaryActivity.java
index 1e1688a..3e77f63 100644
--- a/src/showme/app/src/main/java/com/diary/showme/diary/ui/UpdateDiaryActivity.java
+++ b/src/showme/app/src/main/java/com/diary/showme/diary/ui/UpdateDiaryActivity.java
@@ -491,6 +491,6 @@ public class UpdateDiaryActivity extends AppCompatActivity {
     @Override
     public void onBackPressed() {
         super.onBackPressed();
-        DiaryActivity.startActivity(this);
+//        DiaryActivity.startActivity(this);
     }
 }
\ No newline at end of file