diff --git a/core/core-backend/src/main/resources/ehcache/ehcache.xml b/core/core-backend/src/main/resources/ehcache/ehcache.xml
index e4226dd4d6..0615419cd1 100644
--- a/core/core-backend/src/main/resources/ehcache/ehcache.xml
+++ b/core/core-backend/src/main/resources/ehcache/ehcache.xml
@@ -102,6 +102,10 @@
         <key-type>java.lang.String</key-type>
         <value-type>java.lang.Object</value-type>
     </cache>
+    <cache alias="de_ds_symmetricKey" uses-template="common-cache">
+        <key-type>java.lang.String</key-type>
+        <value-type>java.lang.String</value-type>
+    </cache>
 
     <cache alias="de_v2_user_token_cache">
         <key-type>java.lang.String</key-type>
diff --git a/sdk/common/src/main/java/io/dataease/constant/CacheConstant.java b/sdk/common/src/main/java/io/dataease/constant/CacheConstant.java
index d277b4f75b..5202b22702 100644
--- a/sdk/common/src/main/java/io/dataease/constant/CacheConstant.java
+++ b/sdk/common/src/main/java/io/dataease/constant/CacheConstant.java
@@ -9,6 +9,7 @@ public class CacheConstant {
         public static final String USER_BUSI_PERS_CACHE = "de_v2_user_busi_pers";
         public static final String USER_BUSI_PERS_INTERACTIVE_CACHE = "de_v2_user_busi_pers_interactive";
         public static final String USER_COMMUNITY_LANGUAGE = "de_v2_user_community_language";
+        public static final String Symmetric_Key = "de_ds_symmetricKey";
     }
 
     public static class RoleCacheConstant {
diff --git a/sdk/common/src/main/java/io/dataease/utils/RsaUtils.java b/sdk/common/src/main/java/io/dataease/utils/RsaUtils.java
index a5b111454e..12c2822f42 100644
--- a/sdk/common/src/main/java/io/dataease/utils/RsaUtils.java
+++ b/sdk/common/src/main/java/io/dataease/utils/RsaUtils.java
@@ -23,6 +23,8 @@ import java.security.spec.PKCS8EncodedKeySpec;
 import java.security.spec.X509EncodedKeySpec;
 import java.util.Base64;
 
+import static io.dataease.constant.CacheConstant.UserCacheConstant.Symmetric_Key;
+
 @Component
 public class RsaUtils {
 
@@ -205,19 +207,19 @@ public class RsaUtils {
 
 
     private static final String ALGORITHM = "AES";
-    public static String symmetricKey = null;
+    public static String symmetricKey = "symmetricKey";
     private static final int KEY_SIZE = 128;
 
 
     public static String generateSymmetricKey() {
         try {
-            if (StringUtils.isEmpty(symmetricKey)) {
+            if (!CacheUtils.keyExist(Symmetric_Key, symmetricKey)) {
                 KeyGenerator keyGenerator = KeyGenerator.getInstance(ALGORITHM);
                 keyGenerator.init(KEY_SIZE, new SecureRandom());
                 SecretKey secretKey = keyGenerator.generateKey();
-                symmetricKey = Base64.getEncoder().encodeToString(secretKey.getEncoded());
+                CacheUtils.put(Symmetric_Key, symmetricKey, Base64.getEncoder().encodeToString(secretKey.getEncoded()));
             }
-            return symmetricKey;
+            return CacheUtils.get(Symmetric_Key, symmetricKey).toString();
         } catch (Exception e) {
             throw new RuntimeException(e);
         }