diff --git a/HISTORY b/HISTORY
index fb0a796..7010c77 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,7 +1,8 @@
 
-Version 1.13  2015-01-28
+Version 1.13  2015-02-27
   * support php extension
   * php extention export simple_hash and time33_hash
+  * set_run_by log more info
 
 Version 1.12  2014-12-05
   * bug fixed: must check the return value of vsnprintf
diff --git a/src/shared_func.c b/src/shared_func.c
index f6f08fa..e9b4fac 100644
--- a/src/shared_func.c
+++ b/src/shared_func.c
@@ -1419,8 +1419,8 @@ int set_run_by(const char *group_name, const char *username)
 		{
 			nErrNo = errno != 0 ? errno : ENOENT;
 			logError("file: "__FILE__", line: %d, " \
-				"getgrnam fail, errno: %d, error info: %s.", \
-				__LINE__, nErrNo, STRERROR(nErrNo));
+				"getgrnam %s fail, errno: %d, error info: %s.", \
+				__LINE__, group_name, nErrNo, STRERROR(nErrNo));
 			return nErrNo;
 		}
 
@@ -1441,8 +1441,8 @@ int set_run_by(const char *group_name, const char *username)
 		{
 			nErrNo = errno != 0 ? errno : ENOENT;
 			logError("file: "__FILE__", line: %d, " \
-				"getpwnam fail, errno: %d, error info: %s.", \
-				__LINE__, nErrNo, STRERROR(nErrNo));
+				"getpwnam %s fail, errno: %d, error info: %s.", \
+				__LINE__, username, nErrNo, STRERROR(nErrNo));
 			return nErrNo;
 		}