diff --git a/app/src/main/java/com/example/cmknowledgegraph/RegisterActivity.java b/app/src/main/java/com/example/cmknowledgegraph/RegisterActivity.java
index bd99740..fa9db11 100644
--- a/app/src/main/java/com/example/cmknowledgegraph/RegisterActivity.java
+++ b/app/src/main/java/com/example/cmknowledgegraph/RegisterActivity.java
@@ -12,7 +12,6 @@ import androidx.appcompat.app.AppCompatActivity;
 
 import com.example.PersonalCenter.Register;
 
-import Schema.OperaSchema;
 
 public class RegisterActivity extends AppCompatActivity {
     public static int regester = 0;