diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/R.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/R.java
index 8a35c96bb..c4e10e487 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/R.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/R.java
@@ -101,4 +101,14 @@ public class R<T> implements Serializable
     {
         this.data = data;
     }
+
+    public Boolean isError()
+    {
+        return !isSuccess();
+    }
+
+    public Boolean isSuccess()
+    {
+        return R.SUCCESS == getCode();
+    }
 }
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 8ea91a3a4..1526d7e52 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -808,7 +808,6 @@ 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);
@@ -842,7 +841,6 @@ 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);
diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/aspectj/LogAspect.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/aspectj/LogAspect.java
index dce4b29a8..0e5c51883 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/aspectj/LogAspect.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/aspectj/LogAspect.java
@@ -82,7 +82,7 @@ public class LogAspect
             // 请求的地址
             String ip = ShiroUtils.getIp();
             operLog.setOperIp(ip);
-            operLog.setOperUrl(ServletUtils.getRequest().getRequestURI());
+            operLog.setOperUrl(StringUtils.substring(ServletUtils.getRequest().getRequestURI(), 0, 255));
             if (currentUser != null)
             {
                 operLog.setOperName(currentUser.getLoginName());