diff --git a/HISTORY b/HISTORY
index a59615d..c38d713 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,7 +1,8 @@
 
-Version 1.85  2026-06-22
+Version 1.85  2026-06-23
   * add functions fc_safe_srand and fc_safe_rand for more security under Linux
   * add function seconds_to_human_str
+  * add function fc_version by new files fc_version.h and fc_version.c
 
 Version 1.84  2026-01-16
   * fast_task_queue.h: add function free_queue_task_arg_offset
diff --git a/src/Makefile.in b/src/Makefile.in
index 2d38f38..bce97da 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -17,7 +17,8 @@ FAST_SHARED_OBJS = hash.lo chain.lo shared_func.lo ini_file_reader.lo \
                    multi_socket_client.lo skiplist_set.lo uniq_skiplist.lo   \
                    json_parser.lo buffered_file_writer.lo server_id_func.lo  \
                    fc_queue.lo sorted_queue.lo fc_memory.lo shared_buffer.lo \
-                   thread_pool.lo array_allocator.lo sorted_array.lo spinlock.lo
+                   thread_pool.lo array_allocator.lo sorted_array.lo spinlock.lo \
+                   fc_version.lo
 
 FAST_STATIC_OBJS = hash.o chain.o shared_func.o ini_file_reader.o \
                    logger.o sockopt.o base64.o sched_thread.o \
@@ -31,7 +32,8 @@ FAST_STATIC_OBJS = hash.o chain.o shared_func.o ini_file_reader.o \
                    multi_socket_client.o skiplist_set.o uniq_skiplist.o  \
                    json_parser.o buffered_file_writer.o server_id_func.o \
                    fc_queue.o sorted_queue.o fc_memory.o shared_buffer.o \
-                   thread_pool.o array_allocator.o sorted_array.o spinlock.o
+                   thread_pool.o array_allocator.o sorted_array.o spinlock.o \
+                   fc_version.o
 
 HEADER_FILES = common_define.h hash.h chain.h logger.h base64.h \
                shared_func.h pthread_func.h ini_file_reader.h _os_define.h \
@@ -47,7 +49,7 @@ HEADER_FILES = common_define.h hash.h chain.h logger.h base64.h \
                fc_list.h locked_list.h json_parser.h buffered_file_writer.h \
                server_id_func.h fc_queue.h sorted_queue.h fc_memory.h \
                shared_buffer.h thread_pool.h fc_atomic.h array_allocator.h \
-               sorted_array.h spinlock.h
+               sorted_array.h spinlock.h fc_version.h
 
 ALL_OBJS = $(FAST_STATIC_OBJS) $(FAST_SHARED_OBJS)
 
diff --git a/src/fc_version.c b/src/fc_version.c
new file mode 100644
index 0000000..676e570
--- /dev/null
+++ b/src/fc_version.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2026 YuQing <384681@qq.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the Lesser GNU General Public License, version 3
+ * or later ("LGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the Lesser GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "fc_version.h"
+
+void fc_version(Version *version)
+{
+    version->major = FC_MAJOR_VERSION;
+    version->minor = FC_MINOR_VERSION;
+    version->patch = FC_PATCH_VERSION;
+}
diff --git a/src/fc_version.h b/src/fc_version.h
new file mode 100644
index 0000000..87bdec5
--- /dev/null
+++ b/src/fc_version.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2026 YuQing <384681@qq.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the Lesser GNU General Public License, version 3
+ * or later ("LGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the Lesser GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+//fc_version.h
+
+#ifndef _FC_VERSION_H
+#define _FC_VERSION_H
+
+#include "common_define.h"
+
+#define FC_MAJOR_VERSION   1
+#define FC_MINOR_VERSION   0
+#define FC_PATCH_VERSION  85
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+    void fc_version(Version *version);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif