diff --git a/app/build.gradle b/app/build.gradle
index a082f6b..e4d2234 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,7 +32,7 @@ android {
         minSdkVersion 23
         targetSdkVersion 33
         versionCode 28
-        versionName "2.1.1 Test1(2024-4-18)"
+        versionName "2.1.1 Test(2024-7-20)"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
diff --git a/app/src/main/java/com/coldmint/rust/pro/CodeTableActivity.kt b/app/src/main/java/com/coldmint/rust/pro/CodeTableActivity.kt
index a481b30..cf8dd26 100644
--- a/app/src/main/java/com/coldmint/rust/pro/CodeTableActivity.kt
+++ b/app/src/main/java/com/coldmint/rust/pro/CodeTableActivity.kt
@@ -37,15 +37,21 @@ class CodeTableActivity : BaseActivity<ActivityCodeTableBinding>() {
             loadData()
             //设置上下选择按钮
             viewBinding.listTop.setOnClickListener {
+                if (CodeTableAdapter.picklist.isEmpty()) {
+                    return@setOnClickListener
+                }
+
                 if (--CodeTableAdapter.pick < 0) {
                     CodeTableAdapter.pick = 0
                 }
                 val get = CodeTableAdapter.picklist[CodeTableAdapter.pick]
                 (viewBinding.codeRecyclerB.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(get, 0)
-                adapter.item?.notifyDataSetChanged()
             }
             viewBinding.listButtom.setOnClickListener {
                 val size = CodeTableAdapter.picklist.size
+                if (CodeTableAdapter.picklist.isEmpty()) {
+                    return@setOnClickListener
+                }
 
                 if (++CodeTableAdapter.pick == size - 1) {
                     CodeTableAdapter.pick = 0
@@ -53,7 +59,6 @@ class CodeTableActivity : BaseActivity<ActivityCodeTableBinding>() {
                 val get = CodeTableAdapter.picklist[CodeTableAdapter.pick]
                 (viewBinding.codeRecyclerB.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(get,
                         0)
-                adapter.item?.notifyDataSetChanged()
             }
             viewBinding.edittext.addTextChangedListener(object : TextWatcher {
                 override fun beforeTextChanged(a: CharSequence?, p1: Int, p2: Int, p3: Int) {
diff --git a/app/src/main/java/com/coldmint/rust/pro/adapters/CodeTableAdapter.kt b/app/src/main/java/com/coldmint/rust/pro/adapters/CodeTableAdapter.kt
index e78071b..65c9b7e 100644
--- a/app/src/main/java/com/coldmint/rust/pro/adapters/CodeTableAdapter.kt
+++ b/app/src/main/java/com/coldmint/rust/pro/adapters/CodeTableAdapter.kt
@@ -230,7 +230,7 @@ class CodeTableAdapter(
             holder.binging.root.setCardBackgroundColor(GlobalMethod.getThemeColor(context,R.attr.colorPrimaryContainer))
         } else {
             //背景恢复
-            holder.binging.root.setCardBackgroundColor(GlobalMethod.getThemeColor(context,R.attr.colorSecondaryContainer))
+            holder.binging.root.setCardBackgroundColor(GlobalMethod.getThemeColor(context,R.attr.colorSurface))
         }
 
     }
diff --git a/app/src/main/res/layout/item_codetable.xml b/app/src/main/res/layout/item_codetable.xml
index dc020fa..9020aa6 100644
--- a/app/src/main/res/layout/item_codetable.xml
+++ b/app/src/main/res/layout/item_codetable.xml
@@ -4,7 +4,6 @@
     style="@style/Widget.Material3.CardView.Elevated"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    app:cardBackgroundColor="@null"
     app:cardUseCompatPadding="true">
 
     <LinearLayout