修改部分样式问题

student/src/main/res/layout/activity_about.xml

@@ -3,7 +3,6 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@color/color_f6f8f9"
     android:orientation="vertical">
 
     <include
@@ -79,9 +78,9 @@
             android:textSize="@dimen/sp_17"
             android:textColor="@color/black_333"
             android:layout_marginLeft="12dp"
-            android:layout_marginTop="9dp"
+            android:layout_marginTop="10dp"
             android:text="E-mail"
-            android:layout_marginBottom="27dp"
+            android:layout_marginBottom="14dp"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintLeft_toLeftOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/view_line1"

student/src/main/res/layout/activity_feedback.xml

@@ -17,7 +17,7 @@
         android:layout_marginLeft="16dp"
         android:layout_marginTop="15dp"
         android:layout_marginRight="16dp"
-        android:background="@drawable/bg_white_10dp_border">
+        android:background="@drawable/bg_white_10dp">
 
         <EditText
             android:id="@+id/et_content"

teacher/src/main/java/com/cooleshow/teacher/ui/mine/UnBindTenantActivity.java

@@ -226,14 +226,17 @@ public class UnBindTenantActivity extends BaseMVPActivity<AcUnbindTenantLayoutBi
 
     private void showConfirmDialog() {
         String authCode = viewBinding.etNum.getText().toString().trim();
-        if (TextUtils.isEmpty(authCode)) {
-            ToastUtil.getInstance().showShort("请输入短信验证码");
-            return;
-        }
         String reason = viewBinding.etContent.getText().toString().trim();
         if (TextUtils.isEmpty(reason)) {
             ToastUtil.getInstance().showShort("请填写解绑原因");
+            return;
         }
+
+        if (TextUtils.isEmpty(authCode)) {
+            ToastUtil.getInstance().showShort("请输入短信验证码");
+            return;
+        }
+
         CommonDialog commonConfirmDialog = new CommonDialog(this);
         commonConfirmDialog.show();
         commonConfirmDialog.setTitle("提示");

teacher/src/main/res/layout/activity_about.xml

@@ -81,7 +81,7 @@
             android:layout_marginLeft="12dp"
             android:layout_marginTop="9dp"
             android:text="E-mail"
-            android:layout_marginBottom="27dp"
+            android:layout_marginBottom="14dp"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintLeft_toLeftOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/view_line1"

teacher/src/main/res/layout/activity_feedback.xml

@@ -17,7 +17,7 @@
         android:layout_marginLeft="16dp"
         android:layout_marginTop="15dp"
         android:layout_marginRight="16dp"
-        android:background="@drawable/bg_white_10dp_border">
+        android:background="@drawable/bg_white_10dp">
 
         <EditText
             android:id="@+id/et_content"