diff --git a/doc/~$软件泛读、标注和维护报告文档.docx b/doc/~$软件泛读、标注和维护报告文档.docx
new file mode 100644
index 0000000..ce41eec
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diff --git a/doc/开源软件泛读、标注和维护报告文档.docx b/doc/开源软件泛读、标注和维护报告文档.docx
index 38e94cf..2a8a682 100644
Binary files a/doc/开源软件泛读、标注和维护报告文档.docx and b/doc/开源软件泛读、标注和维护报告文档.docx differ
diff --git a/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/src/main/java/net/micode/notes/ui/NoteEditActivity.java
index ec107e7..eb3f8c9 100644
--- a/src/main/java/net/micode/notes/ui/NoteEditActivity.java
+++ b/src/main/java/net/micode/notes/ui/NoteEditActivity.java
@@ -459,8 +459,7 @@ public class NoteEditActivity extends Activity //NOTE: extends--单继承，但
 
     private String textFilter(String oriText){
         String newText = oriText;
-        newText = newText.replace("\n", "");
-        newText = newText.replace(" ", "");
+        newText = newText.replaceAll("\\s", "");
         return newText;
     }