diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index b16a1f7..ad52fc0 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/easykeyboard/src/main/res/drawable/sym_keyboard_delete.png b/app/src/main/res/drawable/sym_keyboard_delete.png
similarity index 100%
rename from easykeyboard/src/main/res/drawable/sym_keyboard_delete.png
rename to app/src/main/res/drawable/sym_keyboard_delete.png
diff --git a/easykeyboard/src/main/java/com/jay/easykeyboard/SystemKeyboard.java b/easykeyboard/src/main/java/com/jay/easykeyboard/SystemKeyboard.java
index f8a6a2b..fc17e2b 100644
--- a/easykeyboard/src/main/java/com/jay/easykeyboard/SystemKeyboard.java
+++ b/easykeyboard/src/main/java/com/jay/easykeyboard/SystemKeyboard.java
@@ -146,7 +146,8 @@ public void setRandomkeys(boolean isRandomkeys) {
         if (isRandomkeys){
             randomkey();
         }else {
-            initKeyBoard(getContext(), xmlLayoutResId);
+            mKeyboard = new Keyboard(getContext(), xmlLayoutResId);
+            keyboardView.setKeyboard(mKeyboard);
         }
     }
 
diff --git a/easykeyboard/src/main/java/com/jay/easykeyboard/util/Util.java b/easykeyboard/src/main/java/com/jay/easykeyboard/util/Util.java
index a6c8f5a..eda00ed 100644
--- a/easykeyboard/src/main/java/com/jay/easykeyboard/util/Util.java
+++ b/easykeyboard/src/main/java/com/jay/easykeyboard/util/Util.java
@@ -41,20 +41,10 @@ public static boolean isLetter(String str) {
         String wordStr = "abcdefghijklmnopqrstuvwxyz";
         return wordStr.contains(str.toLowerCase());
     }
-//
-//    //判断是否是数字(包含正负数校验)
-//    public static boolean isNumeric(String str) {
-//        Pattern pattern = Pattern.compile("-?[0-9]+.?[0-9]+");
-//        Matcher isNum = pattern.matcher(str);
-//        if (!isNum.matches()) {
-//            return false;
-//        }
-//        return true;
-//    }
+
 
     public static boolean isNumeric(String str) {
         for (int i = 0; i < str.length(); i++) {
-            System.out.println(str.charAt(i));
             if (!Character.isDigit(str.charAt(i))) {
                 return false;
             }