修改-判断一下是否是加密字符串不是的话不去尝试解密

ruoyi-common/ruoyi-common-security/src/main/java/com/ruoyi/common/security/utils/EncryptionUtils.java

@@ -2,6 +2,7 @@ package com.ruoyi.common.security.utils;
 
 import com.ruoyi.common.core.exception.ServiceException;
 import com.ruoyi.common.core.utils.StringUtils;
+import com.ruoyi.common.core.utils.sign.Base64;
 import com.ruoyi.system.validate.EncryptionV;
 import io.swagger.annotations.ApiModelProperty;
 import org.apache.commons.lang3.ObjectUtils;
@@ -46,7 +47,9 @@ public class EncryptionUtils {
                         }
                         String beforeSetEnKey = null;
                         try {
-                            beforeSetEnKey = SecurityUtils.sm4decrypt_ECB(key, beforeSet);
+                            if(StringUtils.isNotNull(Base64.decode(beforeSet))){
+                                beforeSetEnKey = SecurityUtils.sm4decrypt_ECB(key, beforeSet);
+                            }
                         } catch(Exception e) {
                             //
                         }