diff --git a/include/log.hpp b/include/log.hpp
index 1b50a3b..86e32a2 100644
--- a/include/log.hpp
+++ b/include/log.hpp
@@ -31,7 +31,7 @@ struct Log
     Json::Value Serialize() const
     {
         Json::Value res;
-        for (uint32_t i = 0; i < end && data[i].amount; ++i)
+        for (uint32_t i = 0; i < end + 1; ++i)
         {
             res[i]["to"] = data[i].to;
             res[i]["from"] = data[i].from;
diff --git a/include/user.hpp b/include/user.hpp
index f712517..cbb7005 100644
--- a/include/user.hpp
+++ b/include/user.hpp
@@ -37,13 +37,13 @@ struct User
         {
             if (max_log_size > (log_j.size() + pre_log_size))
             {
-                log.data.resize(log_j.size() + pre_log_size);
-                log.end = log_j.size();
+                log.data.resize(log_j.size() + pre_log_size - 1);
+                log.end = log_j.size() - 1;
             }
             else
             {
                 log.data.resize(max_log_size);
-                log.end = max_log_size;
+                log.end = max_log_size - 1;
             }
             for (uint32_t i = 0; i < log.end; ++i)
             {