秘钥管理改造，服务端返回sign

sop-admin/sop-admin-server/src/main/java/com/gitee/sop/adminserver/api/isv/result/IsvDetailDTO.java

@@ -17,16 +17,16 @@ public class IsvDetailDTO {
     @ApiDocField(description = "状态：0启用，1禁用")
     private Byte status;
 
-    // keys
-
     /** secret, 数据库字段：secret */
     @ApiDocField(description = "secret", example = "bbbb")
     private String secret;
 
     /** 开发者生成的公钥, 数据库字段：public_key_isv */
+    @ApiDocField(description = "开发者生成的公钥")
     private String publicKeyIsv;
 
     /** 平台生成的私钥, 数据库字段：private_key_platform */
+    @ApiDocField(description = "平台生成的私钥")
     private String privateKeyPlatform;
 
     @ApiDocField(description = "签名类型：1:RSA2,2:MD5")

sop-admin/sop-admin-server/src/main/java/com/gitee/sop/adminserver/mapper/IsvInfoMapper.java

@@ -19,8 +19,6 @@ public interface IsvInfoMapper extends CrudMapper<IsvInfo, Long> {
             "  ,t2.sign_type signType " +
             "  ,t2.secret " +
             "  ,t2.public_key_isv publicKeyIsv " +
-            "  ,t2.private_key_isv privateKeyIsv " +
-            "  ,t2.public_key_platform publicKeyPlatform " +
             "  ,t2.private_key_platform privateKeyPlatform " +
             "FROM isv_info t " +
             "INNER JOIN isv_keys t2 ON t.app_key = t2.app_key " +