diff --git a/debian/libkysdk-sysinfo-dev.install b/debian/libkysdk-sysinfo-dev.install
index 20c050b..fd6575c 100644
--- a/debian/libkysdk-sysinfo-dev.install
+++ b/debian/libkysdk-sysinfo-dev.install
@@ -1,3 +1,4 @@
 usr/include/kysdk/kysdk-system/libkysysinfo.hpp
 usr/include/kysdk/kysdk-system/libkysysinfo.h
+usr/include/kysdk/kysdk-system/getSystemVersion.h
 development-files/kysdk-sysinfo.pc usr/share/pkgconfig/
\ No newline at end of file
diff --git a/src/systeminfo/CMakeLists.txt b/src/systeminfo/CMakeLists.txt
index d623f59..8dd7da6 100644
--- a/src/systeminfo/CMakeLists.txt
+++ b/src/systeminfo/CMakeLists.txt
@@ -1,13 +1,15 @@
 aux_source_directory(. SOURCESCODE)
 include_directories(.)
+include_directories(/usr/include/cjson/)
 find_library(GLIBC_LIB glib-2.0)
 find_library(DBUS_LIB dbus-1)
 find_library(DBUS_GLIB_LIB dbus-glib-1)
+find_package(PkgConfig)
 add_library(kysysinfo SHARED ${SOURCESCODE})
 set_target_properties(kysysinfo PROPERTIES VERSION 1.2.0 SOVERSION 1)
 add_executable(kysysinfo-test test/kysysinfo_test.c)
-target_link_libraries(kysysinfo dl kylog systemd kyconf ${GLIBC_LIB} ${DBUS_LIB} ${DBUS_GLIB_LIB})
-target_link_libraries(kysysinfo-test kysysinfo)
+target_link_libraries(kysysinfo dl kylog systemd kyconf libcjson.so ${GLIBC_LIB} ${DBUS_LIB} ${DBUS_GLIB_LIB})
+target_link_libraries(kysysinfo-test kysysinfo libcjson.so)
 # target_link_libraries(kysysinfo-test kysysinfo kylin-activation kylog systemd kyconf ${GLIBC_LIB} ${DBUS_LIB} ${DBUS_GLIB_LIB})
 
 install(TARGETS kysysinfo
@@ -17,4 +19,7 @@ install(FILES libkysysinfo.hpp
         DESTINATION include/kysdk/kysdk-system)
 
 install(FILES libkysysinfo.h
+        DESTINATION include/kysdk/kysdk-system)
+
+install(FILES getSystemVersion.h
         DESTINATION include/kysdk/kysdk-system)
\ No newline at end of file
diff --git a/src/systeminfo/README.md b/src/systeminfo/README.md
new file mode 100644
index 0000000..375da2b
--- /dev/null
+++ b/src/systeminfo/README.md
@@ -0,0 +1,15 @@
+需要的依赖:
+cmake
+libcjson1
+libcjson-dev
+
+源码编译执行:
+cmake . && make && echo "" && echo "" && ./getSystemVersion
+
+
+获取系统版本号接口: version_t getSystemVersion();
+
+typedef struct {
+    char    *os_version;            //系统版本
+    char    *update_version;        //补丁版本
+} version_t;
diff --git a/src/systeminfo/getSystemVersion.h b/src/systeminfo/getSystemVersion.h
new file mode 100644
index 0000000..55a673b
--- /dev/null
+++ b/src/systeminfo/getSystemVersion.h
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <cJSON.h>
+
+
+/* getSystemVersion.h
+ */
+#ifndef GETSYSTEMVERSION_H
+#define GETSYSTEMVERSION_H
+
+#define DEBUG
+
+#ifdef DEBUG
+#define DBGprint(...) printf(__VA_ARGS__)
+#else
+#define DBGprint(...) 
+#endif
+
+#define SYSTEM_VERSION_PATH "/etc/kylin-version/kylin-system-version.conf" 
+#define UPDATE_VERSION_PATH "/usr/share/kylin-update-desktop-config/data/" 
+#define UPDATE_VERSION_PATH_REPLACE "/usr/share/kylin-update-desktop-config/config/"
+#define VERSION_FILE_PATH   "/etc/kylin-version/kylin-system-version.conf"
+#define OS_RELEASE_PATH     "/etc/os-release"
+#define KYLIN_RELEASE_ID    "KYLIN_RELEASE_ID"
+#define MAX_LINE 1024
+
+typedef struct {
+    char    *os_version;            //系统版本
+    char    *update_version;        //补丁版本
+} version_t;
+
+/*  Json解析  */
+char * parseJsonText(char *);
+
+char * readJsonFile(char *);
+
+char * readReleaseFile();
+
+/*  获取版本号  */
+version_t getSystemVersion( );
+
+void getDefaultVersion( version_t * );
+
+void getCurrentVersion( version_t * );
+
+/*  读取配置  */
+int GetIniKeyString(char *section,char *key,char *filename,char *buf);
+
+int PutIniKeyString(char *section,char *key,char *val,char *filename);
+
+#endif /* GETSYSTEMVERSION_H */
diff --git a/src/systeminfo/getSystemVsersion.c b/src/systeminfo/getSystemVsersion.c
new file mode 100644
index 0000000..f53c818
--- /dev/null
+++ b/src/systeminfo/getSystemVsersion.c
@@ -0,0 +1,215 @@
+#include "getSystemVersion.h"
+
+char * 
+readReleaseFile() {
+    char buf[MAX_LINE];  
+    FILE *fp; int len;  
+    static char * os_version = NULL;
+      
+    if((fp = fopen(OS_RELEASE_PATH, "r")) == NULL) {
+        DBGprint("fail to read.\n");
+        return os_version;
+    }
+
+    while(fgets(buf,MAX_LINE,fp) != NULL) {
+        len = strlen(buf);
+        buf[len-1] = '\0';
+        if ((strstr (buf, KYLIN_RELEASE_ID) != NULL )) {
+            os_version = strdup (buf);
+            DBGprint("Get os version     ---  %s \n",os_version);
+        }
+    }
+    return os_version;
+}
+
+char * 
+parseJsonText(char *text) {
+    char *out;
+	cJSON *json;
+	cJSON *childJson = NULL;
+    char * version;
+    
+    DBGprint("%s \n",text);
+
+    //获取补丁版本
+	json=cJSON_Parse(text);
+	if (!json) {
+        DBGprint("Error before: [%s]\n",cJSON_GetErrorPtr());
+        version=NULL;
+    } else {
+		childJson = cJSON_GetObjectItem(json, "version");
+		if (!childJson) {
+            DBGprint("Error before: [%s]\n",cJSON_GetErrorPtr());
+            version=NULL;
+        } else {
+			DBGprint("Get update version ---  %s \r\n",childJson->valuestring);
+            version=strdup(childJson->valuestring);
+		}
+
+		out=cJSON_Print(json);
+		cJSON_Delete(childJson);
+		free(out);
+    }
+    return version;
+}
+
+char * 
+readJsonFile(char *json_file) {
+    FILE *fp; long len;
+    char *data;
+    static char *update_version;
+
+    fp=fopen(json_file,"rb");fseek(fp,0,SEEK_END);len=ftell(fp);fseek(fp,0,SEEK_SET);
+    DBGprint("File [ %s ] size: %ld. \n", json_file, len);
+	data=(char*)malloc(len+1);fread(data,1,len,fp);fclose(fp);
+	update_version = parseJsonText(data);
+	free(data);
+    return update_version;
+}
+
+void 
+getDefaultVersion( version_t *ver ) {
+    char *update_version, *os_version;
+    os_version     = readReleaseFile(); //os-version
+    asprintf (&ver->os_version, "%s", os_version);
+    DBGprint("Get os_version: %s\n",ver->os_version);
+    if ( (access (UPDATE_VERSION_PATH_REPLACE "kylin-update-desktop-system.json", F_OK) == 0) ||\
+         (access (UPDATE_VERSION_PATH "kylin-update-desktop-system.json", F_OK) == 0) ){
+        if ( access (UPDATE_VERSION_PATH_REPLACE "kylin-update-desktop-system.json", F_OK) == 0) {
+            update_version = readJsonFile(UPDATE_VERSION_PATH_REPLACE "kylin-update-desktop-system.json");  //config update version
+        } else if ( access (UPDATE_VERSION_PATH "kylin-update-desktop-system.json", F_OK) == 0) {
+            update_version = readJsonFile(UPDATE_VERSION_PATH "kylin-update-desktop-system.json");  //data update version
+        }
+        asprintf (&ver->update_version, "%s", update_version);
+        DBGprint("Get update_version: %s\n",ver->update_version);
+    } else {
+        DBGprint("update version file(config|data) doesn't exist..\n");
+    }
+}
+
+/** 函数名：      GetIniKeyString 
+*** 入口参数：    section :配置文件中一组数据的标识 
+***              key :这组数据中要读出的值的标识 
+***             filename :要读取的文件路径 
+*** 返回值：      找到需要查的值则返回正确结果 0 
+***              否则返回-1     */  
+int GetIniKeyString(char *section,char *key,char *filename,char *buf) {  
+    FILE *fp;  
+    int  flag = 0;  
+    char sTitle[64], *wTmp;
+    char sLine[1024];        
+    sprintf(sTitle, "[%s]", section);
+                     
+    if(NULL == (fp = fopen(filename, "r"))) {  
+        perror("fopen");  
+        return -1;
+    }
+    while (NULL != fgets(sLine, 1024, fp)) {  
+        // 这是注释行  
+        if (0 == strncmp("//", sLine, 2)) continue;  
+        if ('#' == sLine[0])              continue;        
+        wTmp = strchr(sLine, '=');  
+        if ((NULL != wTmp) && (1 == flag)) {  
+            if (0 == strncmp(key, sLine, strlen(key))) { // 长度依文件读取的为准  
+                sLine[strlen(sLine) - 1] = '\0';  
+                fclose(fp);
+                while(*(wTmp + 1) == ' '){
+                    wTmp++;
+                }
+                strcpy(buf,wTmp + 1);
+                return 0;  
+            }  
+        } else {  
+            if (0 == strncmp(sTitle, sLine, strlen(sTitle))) { // 长度依文件读取的为准  
+                flag = 1; // 找到标题位置  
+            }  
+        }  
+    }  
+    fclose(fp);  
+    return -1;  
+}        
+      
+/** 函数名:         PutIniKeyString 
+*** 入口参数:        section:配置文件中一组数据的标识 
+***                key:这组数据中要读出的值的标识 
+***                val:更改后的值 
+***                filename:要读取的文件路径 
+*** 返回值:         成功返回  0 
+***                否则返回 -1      */  
+int PutIniKeyString(char *section,char *key,char *val,char *filename) {  
+    FILE *fpr, *fpw;  
+    int  flag = 0;  
+    char sLine[1024], sTitle[32], *wTmp;        
+    sprintf(sTitle, "[%s]", section);  
+    if (NULL == (fpr = fopen(filename, "r")))  
+        return -1;// 读取原文件  
+    sprintf(sLine, "%s.tmp", filename);  
+    if (NULL == (fpw = fopen(sLine,    "w")))  
+        return -1;// 写入临时文件        
+    while (NULL != fgets(sLine, 1024, fpr)) {  
+        if (2 != flag) { // 如果找到要修改的那一行，则不会执行内部的操作  
+            wTmp = strchr(sLine, '=');  
+            if ((NULL != wTmp) && (1 == flag)) {  
+                if (0 == strncmp(key, sLine, strlen(key))) { // 长度依文件读取的为准 
+                    flag = 2;// 更改值，方便写入文件  
+                    sprintf(wTmp + 1, " %s\n", val);
+                }  
+            } else {
+                if (0 == strncmp(sTitle, sLine, strlen(sTitle))) { // 长度依文件读取的为准
+                    flag = 1; // 找到标题位置  
+                }  
+            }  
+        }        
+        fputs(sLine, fpw); // 写入临时文件 
+    }  
+    fclose(fpr);  
+    fclose(fpw);        
+    sprintf(sLine, "%s.tmp", filename);  
+    return rename(sLine, filename);// 将临时文件更新到原文件  
+}
+
+void
+getCurrentVersion( version_t *ver ) {
+    char buff[100];
+
+    if ( 0 == GetIniKeyString("SYSTEM", "os_version", VERSION_FILE_PATH, buff)) {
+        if (ver->os_version == NULL)
+            asprintf (&ver->os_version, "%s", buff);
+            DBGprint("Get os_version: %s\n",ver->os_version);
+    }
+
+    if (0 == GetIniKeyString("SYSTEM", "update_version", VERSION_FILE_PATH, buff)) {
+        if (ver->update_version == NULL)
+            asprintf (&ver->update_version, "%s", buff);
+            DBGprint("Get update_version: %s\n",ver->update_version);
+    }
+}
+
+version_t 
+getSystemVersion() { 
+    version_t version = { 0 };
+
+    if ( access (SYSTEM_VERSION_PATH, F_OK) == 0) {
+        DBGprint("System version file is exist..\n");
+        //get current version 
+        getCurrentVersion(&version);
+    } else { 
+        DBGprint("System version file doesn't exist..\n");
+        //get default version 
+        getDefaultVersion(&version);
+    } 
+
+    if (((version.os_version == NULL) || (strstr (version.os_version, "null") != NULL )) && version.update_version != NULL) {
+        asprintf (&version.os_version, "%s", version.update_version);
+    } else if (( (version.update_version == NULL) || (strstr (version.update_version, "null") != NULL )) && version.os_version != NULL) {
+        asprintf (&version.update_version, "%s", version.os_version);
+    } else if ( ((version.os_version == NULL) || (strstr (version.os_version, "null") != NULL )) && ( (version.update_version == NULL) || (strstr (version.update_version, "null") != NULL )) ) {
+        asprintf (&version.os_version, "%s", "");
+        asprintf (&version.update_version, "%s", "");
+    }
+
+    DBGprint("os_version :%d\n", strlen(version.os_version));
+    DBGprint("update_version :%d\n", strlen(version.update_version));
+
+    return version;
+}
\ No newline at end of file
diff --git a/src/systeminfo/test/kysysinfo_test.c b/src/systeminfo/test/kysysinfo_test.c
index e045534..1769e55 100644
--- a/src/systeminfo/test/kysysinfo_test.c
+++ b/src/systeminfo/test/kysysinfo_test.c
@@ -1,4 +1,5 @@
 #include <libkysysinfo.h>
+#include <getSystemVersion.h>
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -46,5 +47,10 @@ int main()
     res = kdk_system_get_hostCloudPlatform();
     printf("云平台类型：%s\n", res);
     free(res);
+
+    version_t test = getSystemVersion( );
+    printf("test.os_version = %s\n",test.os_version);
+    printf("test.update_version = %s\n",test.update_version);
+
     return 0;
 }
\ No newline at end of file