diff --git a/app/src/main/java/com/arkj/app/MainActivity.java b/app/src/main/java/com/arkj/app/MainActivity.java
index 946414d..7215685 100644
--- a/app/src/main/java/com/arkj/app/MainActivity.java
+++ b/app/src/main/java/com/arkj/app/MainActivity.java
@@ -47,10 +47,6 @@ public class MainActivity extends Activity {
         findViewById(R.id.btnAccounting).setOnClickListener(v -> 
             Toast.makeText(this, "打开记账", Toast.LENGTH_SHORT).show());
         
-        // 资料
-        findViewById(R.id.btnMaterials).setOnClickListener(v -> 
-            Toast.makeText(this, "查看资料", Toast.LENGTH_SHORT).show());
-        
         // 更多
         findViewById(R.id.btnMore).setOnClickListener(v -> 
             Toast.makeText(this, "更多功能", Toast.LENGTH_SHORT).show());