修改部分问题

BaseLibrary/src/main/java/com/cooleshow/base/widgets/dialog/ImgVerifyCodeDialog.java

@@ -121,8 +121,11 @@ public class ImgVerifyCodeDialog extends Dialog {
     @Override
     public void show() {
         super.show();
-        if (etCode != null && mTextWatcher != null) {
-            etCode.addTextChangedListener(mTextWatcher);
+        if (etCode != null) {
+            etCode.setText("");
+            if (mTextWatcher != null) {
+                etCode.addTextChangedListener(mTextWatcher);
+            }
         }
     }
 }

usercenter/src/main/res/layout/ac_sign_out_account_layout.xml

@@ -168,7 +168,7 @@
         android:maxLength="6"
         android:paddingStart="12dp"
         android:hint="请输入短信验证码"
-        android:textColorHint="@color/color_666666"
+        android:textColorHint="@color/color_999999"
         android:textColor="@color/color_333333"
         android:textSize="@dimen/sp_16"
         android:background="@color/transparent"