diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/domain/R.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/domain/R.java
index 787a417..d101d96 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/domain/R.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/domain/R.java
@@ -103,11 +103,13 @@ public class R<T> implements Serializable
         this.data = data;
     }
 
-    public Boolean isError() {
+    public Boolean isError()
+    {
         return !isSuccess();
     }
-    
-    public Boolean isSuccess() {
+
+    public Boolean isSuccess()
+    {
         return R.SUCCESS == getCode();
     }
 }
diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
index f170010..681f6cd 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
@@ -681,7 +681,6 @@ public class ExcelUtil<T>
             if (!headerStyles.containsKey(key))
             {
                 CellStyle style = wb.createCellStyle();
-                style = wb.createCellStyle();
                 style.cloneStyleFrom(styles.get("data"));
                 style.setAlignment(HorizontalAlignment.CENTER);
                 style.setVerticalAlignment(VerticalAlignment.CENTER);
@@ -715,7 +714,6 @@ public class ExcelUtil<T>
             if (!styles.containsKey(key))
             {
                 CellStyle style = wb.createCellStyle();
-                style = wb.createCellStyle();
                 style.setAlignment(excel.align());
                 style.setVerticalAlignment(VerticalAlignment.CENTER);
                 style.setBorderRight(BorderStyle.THIN);