diff --git a/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/adapter/HeaderDivider.kt b/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/adapter/HeaderDivider.kt
index 0f5b40d..2557256 100644
--- a/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/adapter/HeaderDivider.kt
+++ b/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/adapter/HeaderDivider.kt
@@ -6,7 +6,7 @@ package io.github.skywalkerdarren.simpleaccounting.adapter
  * @author darren
  * @date 2018/2/16
  */
-internal interface HeaderDivider {
+interface HeaderDivider {
     /**
      * 获取账单支出类型名称
      *
diff --git a/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/base/BaseBindingViewHolder.kt b/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/base/BaseBindingViewHolder.kt
index db91828..3b2aa38 100644
--- a/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/base/BaseBindingViewHolder.kt
+++ b/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/base/BaseBindingViewHolder.kt
@@ -8,7 +8,7 @@ import com.chad.library.adapter.base.BaseViewHolder
  * @author darren
  * @date 2018/4/5
  */
-abstract class BaseBindingViewHolder<Binding : ViewDataBinding> internal constructor(view: View) : BaseViewHolder(view) {
+abstract class BaseBindingViewHolder<Binding : ViewDataBinding> constructor(view: View) : BaseViewHolder(view) {
     lateinit var binding: Binding
         private set
 
diff --git a/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/util/calculate/Operators.kt b/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/util/calculate/Operators.kt
index b1cb879..4f857b4 100644
--- a/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/util/calculate/Operators.kt
+++ b/app/src/main/java/io/github/skywalkerdarren/simpleaccounting/util/calculate/Operators.kt
@@ -10,7 +10,7 @@ import java.util.*
  * @author darren
  * @date 2018/3/10
  */
-internal object Operators {
+object Operators {
     /**
      * 存放运算符的哈希表，通过运算符字符串获取Operator运算符
      *