diff --git a/server/tools/protobuild/ss_proto.proto b/server/tools/protobuild/ss_proto.proto
index b4de4cb..75c22c4 100644
--- a/server/tools/protobuild/ss_proto.proto
+++ b/server/tools/protobuild/ss_proto.proto
@@ -12,7 +12,7 @@ message SS_Pong
 //行数据
 message MFRow
 {
-    repeated string values = 1; //数据
+    repeated bytes values = 1; //数据
 }
 
 //数据集
@@ -27,16 +27,16 @@ message SS_GSM_ExecAsyncSql
     optional int32 exec_type = 1; //查询类型0: single 1:pool
     optional int32 query_type = 2; //查询类型0: execquery 1:execscript
     optional int64 context_id = 3; //上下文id
-    optional string sql = 4; //sql语句
+    optional bytes sql = 4; //sql语句
     optional int64 hash_code = 5; //hash值
 }
 
 message SS_DPM_ExecAsyncSql
 {
     optional int64 context_id = 1; //上下文id
-    optional string sql = 2; //sql语句
+    optional bytes sql = 2; //sql语句
     optional int32 error_code = 3; //错误码
-    optional string error_msg = 4; //错误描述
+    optional bytes error_msg = 4; //错误描述
     optional MFDataSet data_set = 5; //数据集
 }