diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/cai/app/RankAppController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/cai/app/RankAppController.java
index a1e42a16..11349c16 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/cai/app/RankAppController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/cai/app/RankAppController.java
@@ -21,16 +21,20 @@ import com.ruoyi.common.utils.StringUtils;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.*;
 import java.util.function.Function;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 @RestController
 @RequestMapping("/api/rank")
 @Tag(name = "排行榜接口")
+@Slf4j
 public class RankAppController {
 
     @Autowired
@@ -195,6 +199,56 @@ public class RankAppController {
         if(StringUtils.isEmpty(nickname)){
             return "*";
         }
+        if(containsEmoji(nickname)){
+            return "*密";
+        }
         return "*"+nickname.substring(nickname.length()-1);
     }
+
+    public static void main(String[] args) {
+        System.out.println(minNickname("Hello, this is a string with an emoji! \uD83D\uDE01"));
+    }
+
+    public static boolean containsEmoji(String source) {
+        try {
+            int len = source.length();
+            boolean isEmoji = false;
+            for (int i = 0; i < len; i++) {
+                char hs = source.charAt(i);
+                if (0xd800 <= hs && hs <= 0xdbff) {
+                    if (source.length() > 1) {
+                        char ls = source.charAt(i + 1);
+                        int uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;
+                        if (0x1d000 <= uc && uc <= 0x1f77f) {
+                            return true;
+                        }
+                    }
+                } else {
+                    // non surrogate
+                    if (0x2100 <= hs && hs <= 0x27ff && hs != 0x263b) {
+                        return true;
+                    } else if (0x2B05 <= hs && hs <= 0x2b07) {
+                        return true;
+                    } else if (0x2934 <= hs && hs <= 0x2935) {
+                        return true;
+                    } else if (0x3297 <= hs && hs <= 0x3299) {
+                        return true;
+                    } else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 || hs == 0x2b55 || hs == 0x2b1c
+                            || hs == 0x2b1b || hs == 0x2b50 || hs == 0x231a) {
+                        return true;
+                    }
+                    if (!isEmoji && source.length() > 1 && i < source.length() - 1) {
+                        char ls = source.charAt(i + 1);
+                        if (ls == 0x20e3) {
+                            return true;
+                        }
+                    }
+                }
+            }
+            return isEmoji;
+        }catch (Exception e){
+            log.error(e.getMessage(),e);
+            return true;
+        }
+    }
 }