diff --git a/src/sf_cluster_cfg.c b/src/sf_cluster_cfg.c
index 1f15b24..48b713a 100644
--- a/src/sf_cluster_cfg.c
+++ b/src/sf_cluster_cfg.c
@@ -116,22 +116,22 @@ int sf_load_cluster_config_by_file(SFClusterConfig *cluster,
     return 0;
 }
 
-int sf_load_cluster_config_ex(SFClusterConfig *cluster, IniFullContext
-        *ini_ctx, const int default_port, char *full_cluster_filename,
-        const int size)
+int sf_load_cluster_config_ex1(SFClusterConfig *cluster,
+        IniFullContext *ini_ctx, const char *cluster_config_item_name,
+        const int default_port, char *full_cluster_filename, const int size)
 {
     const bool share_between_groups = true;
     char *cluster_config_filename;
-    
+
     cluster_config_filename = iniGetStrValue(ini_ctx->section_name,
-            "cluster_config_filename", ini_ctx->context);
+            cluster_config_item_name, ini_ctx->context);
     if (cluster_config_filename == NULL || *cluster_config_filename == '\0') {
         logError("file: "__FILE__", line: %d, "
-                "config file: %s, item \"cluster_config_filename\" "
-                "not exist or empty", __LINE__, ini_ctx->filename);
+                "config file: %s, item \"%s\" not exist or empty",
+                __LINE__, cluster_config_item_name, ini_ctx->filename);
         return ENOENT;
     }
-    
+
     resolve_path(ini_ctx->filename, cluster_config_filename,
             full_cluster_filename, size);
     return sf_load_cluster_config_by_file(cluster, full_cluster_filename,
diff --git a/src/sf_cluster_cfg.h b/src/sf_cluster_cfg.h
index 405f83c..633213c 100644
--- a/src/sf_cluster_cfg.h
+++ b/src/sf_cluster_cfg.h
@@ -23,9 +23,29 @@
 extern "C" {
 #endif
 
-int sf_load_cluster_config_ex(SFClusterConfig *cluster, IniFullContext
-        *ini_ctx, const int default_port, char *full_cluster_filename,
-        const int size);
+int sf_load_cluster_config_ex1(SFClusterConfig *cluster,
+        IniFullContext *ini_ctx, const char *cluster_config_item_name,
+        const int default_port, char *full_cluster_filename, const int size);
+
+static inline int sf_load_cluster_config_ex(SFClusterConfig *cluster,
+        IniFullContext *ini_ctx, const int default_port,
+        char *full_cluster_filename, const int size)
+{
+    const char *cluster_config_item_name = "cluster_config_filename";
+    return sf_load_cluster_config_ex1(cluster, ini_ctx,
+            cluster_config_item_name, default_port,
+            full_cluster_filename, PATH_MAX);
+}
+
+static inline int sf_load_cluster_config1(SFClusterConfig *cluster,
+        IniFullContext *ini_ctx, const char *cluster_config_item_name,
+        const int default_port)
+{
+    char full_cluster_filename[PATH_MAX];
+    return sf_load_cluster_config_ex1(cluster, ini_ctx,
+            cluster_config_item_name, default_port,
+            full_cluster_filename, PATH_MAX);
+}
 
 static inline int sf_load_cluster_config(SFClusterConfig *cluster,
         IniFullContext *ini_ctx, const int default_port)