diff --git a/inc/Maat_rule.h b/inc/Maat_rule.h
index e160a4a..b7e21a9 100644
--- a/inc/Maat_rule.h
+++ b/inc/Maat_rule.h
@@ -148,7 +148,7 @@ enum MAAT_INIT_OPT
 	MAAT_OPT_INSTANCE_NAME,			//VALUE is a const char*, MUST end with '\0', SIZE= strlen(string+'\0')+1, no more than 11 bytes.DEFAULT: MAAT_$tableinfo_path$.
 	MAAT_OPT_DECRYPT_KEY,			//VALUE is a const char*, MUST end with '\0', SIZE= strlen(string+'\0')+1. No DEFAULT.
 	MAAT_OPT_REDIS_IP,				//VALUE is a const char*, MUST end with '\0', SIZE= strlen(string+'\0')+1. No DEFAULT.
-	MAAT_OPT_REDIS_PORT,			//VALUE is a unsigned short, host order, SIZE= sizeof(unsigned short). No DEFAULT.
+	MAAT_OPT_REDIS_PORT,			//VALUE is a unsigned short or a signed int, host order, SIZE= sizeof(unsigned short) or sizeof(int). No DEFAULT.
 	MAAT_OPT_REDIS_INDEX,			//VALUE is interger *, 0~15, SIZE=sizeof(int). DEFAULT: 0.
 	MAAT_OPT_CMD_AUTO_NUMBERING,		//VALUE is interger *, 1 or 0, SIZE=sizeof(int). DEFAULT: 1.
 	MAAT_OPT_DEFERRED_LOAD			//VALUE is  NULL,SIZE is 0.  Default: Deffered initialization OFF.
diff --git a/src/entry/Maat_api.cpp b/src/entry/Maat_api.cpp
index 910ea70..171f819 100644
--- a/src/entry/Maat_api.cpp
+++ b/src/entry/Maat_api.cpp
@@ -585,11 +585,18 @@ int Maat_set_feather_opt(Maat_feather_t feather,enum MAAT_INIT_OPT type,const vo
 			memcpy(_feather->redis_ip,value,size);
 			break;
 		case MAAT_OPT_REDIS_PORT:
-			if((size_t)size!=sizeof(unsigned short))
+			if((size_t)size==sizeof(unsigned short))
+			{
+				_feather->redis_port=*((unsigned short*)value);
+			}
+			else if((size_t)size==sizeof(int))
+			{
+				_feather->redis_port=*((int*)value);
+			}
+			else
 			{
 				return -1;
 			}
-			_feather->redis_port=*((unsigned short*)value);
 			break;
 		case MAAT_OPT_REDIS_INDEX:
 			if((size_t)size!=sizeof(int))