diff --git a/bonus-common/src/main/java/com/bonus/common/utils/encryption/Sm3Util.java b/bonus-common/src/main/java/com/bonus/common/utils/encryption/Sm3Util.java
index a481b21..176b6d3 100644
--- a/bonus-common/src/main/java/com/bonus/common/utils/encryption/Sm3Util.java
+++ b/bonus-common/src/main/java/com/bonus/common/utils/encryption/Sm3Util.java
@@ -1,5 +1,7 @@
 package com.bonus.common.utils.encryption;
 
+import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.io.IoUtil;
 import cn.hutool.crypto.SmUtil;
 import cn.hutool.crypto.digest.SM3;
 
@@ -14,18 +16,45 @@ import java.nio.charset.StandardCharsets;
  */
 public class Sm3Util {
 
-    static SM3 sm3 = SmUtil.sm3WithSalt("2cc0c5f9f1749f1632efa9f63e902323".getBytes(StandardCharsets.UTF_8));
-
+    private static final String SALT = "2cc0c5f9f1749f1632efa9f63e902323";
 
     public static String encrypt(String data) {
-        return Sm3Util.sm3.digestHex(data);
+        try {
+            // 与前端的处理方式完全一致：字符串拼接 + SM3哈希
+            String dataWithSalt = SALT + data;
+            SM3 sm3 = SmUtil.sm3();
+            return sm3.digestHex(dataWithSalt);
+        } catch (Exception e) {
+            throw new RuntimeException("SM3 encryption failed", e);
+        }
     }
 
+    // 其他方法也需要相应修改
     public static String encrypt(InputStream data) {
-        return Sm3Util.sm3.digestHex(data);
+        // 对于流数据，需要先读取内容再拼接
+        try {
+            String content = IoUtil.readUtf8(data);
+            String dataWithSalt = SALT + content;
+            SM3 sm3 = SmUtil.sm3();
+            return sm3.digestHex(dataWithSalt);
+        } catch (Exception e) {
+            throw new RuntimeException("SM3 encryption failed", e);
+        }
     }
 
     public static String encrypt(File dataFile) {
-        return Sm3Util.sm3.digestHex(dataFile);
+        try {
+            String content = FileUtil.readUtf8String(dataFile);
+            String dataWithSalt = SALT + content;
+            SM3 sm3 = SmUtil.sm3();
+            return sm3.digestHex(dataWithSalt);
+        } catch (Exception e) {
+            throw new RuntimeException("SM3 encryption failed", e);
+        }
     }
+
+    public static void main(String[] args) {
+        System.out.println(Sm3Util.encrypt("pageNum=1&pageSize=10"));
+    }
+
 }
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