diff --git a/src/main/java/com/ruoyi/common/filter/XssFilter.java b/src/main/java/com/ruoyi/common/filter/XssFilter.java
index 23a76fe..b4eaabc 100644
--- a/src/main/java/com/ruoyi/common/filter/XssFilter.java
+++ b/src/main/java/com/ruoyi/common/filter/XssFilter.java
@@ -32,10 +32,10 @@ public class XssFilter implements Filter
         String tempExcludes = filterConfig.getInitParameter("excludes");
         if (StringUtils.isNotEmpty(tempExcludes))
         {
-            String[] url = tempExcludes.split(",");
-            for (int i = 0; url != null && i < url.length; i++)
+            String[] urls = tempExcludes.split(",");
+            for (String url : urls)
             {
-                excludes.add(url[i]);
+                excludes.add(url);
             }
         }
     }
diff --git a/src/main/java/com/ruoyi/common/utils/DictUtils.java b/src/main/java/com/ruoyi/common/utils/DictUtils.java
index aa7656d..e7f7eb8 100644
--- a/src/main/java/com/ruoyi/common/utils/DictUtils.java
+++ b/src/main/java/com/ruoyi/common/utils/DictUtils.java
@@ -56,6 +56,10 @@ public class DictUtils
      */
     public static String getDictLabel(String dictType, String dictValue)
     {
+        if (StringUtils.isEmpty(dictValue))
+        {
+            return StringUtils.EMPTY;
+        }
         return getDictLabel(dictType, dictValue, SEPARATOR);
     }
 
@@ -68,6 +72,10 @@ public class DictUtils
      */
     public static String getDictValue(String dictType, String dictLabel)
     {
+        if (StringUtils.isEmpty(dictLabel))
+        {
+            return StringUtils.EMPTY;
+        }
         return getDictValue(dictType, dictLabel, SEPARATOR);
     }
 
diff --git a/src/main/java/com/ruoyi/project/monitor/controller/CacheController.java b/src/main/java/com/ruoyi/project/monitor/controller/CacheController.java
index 8dce0e6..748f1b8 100644
--- a/src/main/java/com/ruoyi/project/monitor/controller/CacheController.java
+++ b/src/main/java/com/ruoyi/project/monitor/controller/CacheController.java
@@ -7,6 +7,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 import java.util.Set;
+import java.util.TreeSet;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.core.RedisCallback;
 import org.springframework.data.redis.core.RedisTemplate;
@@ -80,7 +81,7 @@ public class CacheController
     public AjaxResult getCacheKeys(@PathVariable String cacheName)
     {
         Set<String> cacheKeys = redisTemplate.keys(cacheName + "*");
-        return AjaxResult.success(cacheKeys);
+        return AjaxResult.success(new TreeSet<>(cacheKeys));
     }
 
     @PreAuthorize("@ss.hasPermi('monitor:cache:list')")