diff --git a/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java b/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java
index 3f9a98ed..643b75df 100644
--- a/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java
+++ b/eladmin-system/src/main/java/me/zhengjie/config/ConfigurerAdapter.java
@@ -28,8 +28,6 @@ import org.springframework.web.filter.CorsFilter;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
-
-import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.List;