diff --git a/README_ZH.md b/README_ZH.md
index 9e8e72e..b39cfbc 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -170,6 +170,11 @@ python3 syscap_check.py -p path_of_openarmony -t component_sdk
 python3 syscap_check.py -p path_of_openarmony -t sdk_codec
 ```
 
+## syscap_define.h 文件规则
+- 每一个 SyscapNum 枚举值都唯一对应于一个 syscap 字符串。
+- 如果弃用某个 syscap，在对应的枚举值后面注释 "// abandoned" 即可，请勿删除和修改。对应的 syscap 字符串也不需要修改。
+- 添加 syscap，请在 SyscapNum 和 g_arraySyscap 末尾添加相应数据。
+- 数组 g_arraySyscap 按照 SyscapNum 枚举值从小到大排序。
 
 
 ## Release Note
diff --git a/include/syscap_define.h b/include/syscap_define.h
index 37a6e95..5f84c54 100644
--- a/include/syscap_define.h
+++ b/include/syscap_define.h
@@ -46,7 +46,7 @@ typedef enum SystemCapabilityNum {
     COMMUNICATION_BLUETOOTH_CORE,
     COMMUNICATION_CONNECTEDTAG,
     COMMUNICATION_NETMANAGER_CORE,
-    COMMUNICATION_NETMANAGER_EXTENSION,
+    COMMUNICATION_NETMANAGER_EXTENSION, // abandoned
     COMMUNICATION_NETSTACK,
     COMMUNICATION_NFC_CORE,
     COMMUNICATION_SOFTBUS_CORE,
@@ -243,7 +243,6 @@ typedef enum SystemCapabilityNum {
     RESOURCESCHEDULE_BACKGROUNDTASKMANAGER_EFFICIENCYRESOURCESAPPLY,
     SECURITY_SECURITYGUARD,
     SECURITY_CRYPTOFRAMEWORK,
-    // Add here
     MULTIMODALINPUT_INPUT_COOPERATOR,
     ABILITY_ABILITYRUNTIME_QUICKFIX,
     SECURITY_DLPCREDENTIALSERVICE,
@@ -259,7 +258,15 @@ typedef enum SystemCapabilityNum {
     MULTIMEDIA_AUDIO_INTERRUPT,
     CLOUD_AAID,
     MSDP_DEVICESTATUS_STATIONARY,
-    PRINT_PRINT,
+    COMMUNICATION_NETMANAGER_ETHERNET,
+    COMMUNICATION_NETMANAGER_NETSHARING,
+    COMMUNICATION_NETMANAGER_MDNS,
+    COMMUNICATION_NETMANAGER_VPN,
+    COMMUNICATION_NFC_TAG,
+    COMMUNICATION_NFC_CARDEMULATION,
+    SECURITY_CERT,
+    PRINT_PRINT_FRAMEWORK,
+    // Add before here
     SYSCAP_NUM_MAX = 960
 } SyscapNum;
 
@@ -497,7 +504,14 @@ const static SyscapWithNum g_arraySyscap[] = {
     {"SystemCapability.Multimedia.Audio.Interrupt", MULTIMEDIA_AUDIO_INTERRUPT},
     {"SystemCapability.Cloud.AAID", CLOUD_AAID},
     {"SystemCapability.Msdp.DeviceStatus.Stationary", MSDP_DEVICESTATUS_STATIONARY},
-    {"SystemCapability.Print.Print", PRINT_PRINT}
+    {"SystemCapability.Communication.NetManager.Ethernet", COMMUNICATION_NETMANAGER_ETHERNET},
+    {"SystemCapability.Communication.NetManager.NetSharing", COMMUNICATION_NETMANAGER_NETSHARING},
+    {"SystemCapability.Communication.NetManager.MDNS", COMMUNICATION_NETMANAGER_MDNS},
+    {"SystemCapability.Communication.NetManager.Vpn", COMMUNICATION_NETMANAGER_VPN},
+    {"SystemCapability.Communication.NFC.Tag", COMMUNICATION_NFC_TAG},
+    {"SystemCapability.Communication.NFC.CardEmulation", COMMUNICATION_NFC_CARDEMULATION},
+    {"SystemCapability.Security.Cert", SECURITY_CERT},
+    {"SystemCapability.Print.PrintFramework", PRINT_PRINT_FRAMEWORK}
 };
 
 #ifdef __cplusplus
diff --git a/interfaces/inner_api/syscap_interface.c b/interfaces/inner_api/syscap_interface.c
index 06c95ab..bf8372d 100644
--- a/interfaces/inner_api/syscap_interface.c
+++ b/interfaces/inner_api/syscap_interface.c
@@ -583,7 +583,7 @@ int32_t ComparePcidString(const char *pcidString, const char *rpcidString, Compa
             continue;
         }
         for (uint8_t k = 0; k < INT_BIT; k++) {
-            if (temp2 & (0x1 << k)) {
+            if (temp2 & (1U << k)) {
                 char *temp = (char *)malloc(sizeof(char) * SINGLE_SYSCAP_LEN);
                 if (temp == NULL) {
                     PRINT_ERR("malloc failed.\n");
@@ -632,10 +632,10 @@ int32_t ComparePcidString(const char *pcidString, const char *rpcidString, Compa
     }
 
     if (versionFlag > 0) {
-        retFlag |= 0x1 << 0;
+        retFlag |= 1U << 0;
     }
     if (ossyscapFlag > 0 || prisyscapFlag > 0) {
-        retFlag |= 0x1 << 1;
+        retFlag |= 1U << 1;
         result->missSyscapNum = ossyscapFlag + prisyscapFlag;
     }
     return (int32_t)retFlag;
diff --git a/src/syscap_tool.c b/src/syscap_tool.c
index 54193ff..01f1802 100644
--- a/src/syscap_tool.c
+++ b/src/syscap_tool.c
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+#include <stdint.h>
 #include <stdio.h>
 #include <stdbool.h>
 #include <stdlib.h>
@@ -425,7 +426,7 @@ int32_t EncodeRpcidscToString(char *inputFile, char *outDirPath)
 {
     int32_t ret = 0;
     int32_t sysCapArraySize;
-    uint32_t bufferLen, i;
+    uint32_t bufferLen;
     uint16_t indexPri = 0;
     uint16_t *osSysCapIndex;
     char *contextBuffer = NULL;
@@ -518,7 +519,7 @@ int32_t EncodeRpcidscToString(char *inputFile, char *outDirPath)
         PRINT_ERR("sprintf_s failed.\n");
         goto FREE_OUTBUFFER;
     }
-    for (i = 1; i < RPCID_OUT_BUFFER; i++) {
+    for (int i = 1; i < RPCID_OUT_BUFFER; i++) {
         ret = sprintf_s(outBuffer, outBufferLen, "%s,%u", outBuffer, outUint[i]);
         if (ret == -1) {
             PRINT_ERR("sprintf_s failed.\n");
@@ -526,7 +527,7 @@ int32_t EncodeRpcidscToString(char *inputFile, char *outDirPath)
         }
     }
 
-    for (i = 0; i < indexPri; i++) {
+    for (uint16_t i = 0; i < indexPri; i++) {
         ret = sprintf_s(outBuffer, outBufferLen, "%s,%s", outBuffer,
                         priSyscapArray + i * SINGLE_SYSCAP_LEN);
         if (ret == -1) {
@@ -707,7 +708,7 @@ int32_t ComparePcidWithRpcidString(char *pcidFile, char *rpcidFile, uint32_t typ
             continue;
         }
         for (uint8_t k = 0; k < INT_BIT; k++) {
-            if (!(temp2 & (0x1 << k))) {
+            if (!(temp2 & (1U << k))) {
                 continue;
             }
             // 2, header of pcid & rpcid
diff --git a/test/syscap_define_check.c b/test/syscap_define_check.c
index c063bd0..dc05e11 100644
--- a/test/syscap_define_check.c
+++ b/test/syscap_define_check.c
@@ -18,21 +18,40 @@
 #include <stdlib.h>
 #include "syscap_define.h"
 
-int main(void)
+int CheckSortBySyscapNum(void)
 {
-    size_t size = sizeof(g_arraySyscap) / sizeof(SyscapWithNum);
-    size_t flag = 0;
+    int size = (int)sizeof(g_arraySyscap) / sizeof(SyscapWithNum);
+    int flag = 0;
 
-    for (size_t i = 0; i < size; i++) {
+    for (int i = 0; i < size; i++) {
         if (g_arraySyscap[i].num != i) {
-            printf("[Error][syscap_define.h]: %s -> num(%u) should be %zu.\n",
+            printf("[ERROR][syscap_define.h]: %s -> num(%u) should be %d.\n",
                 g_arraySyscap[i].str, g_arraySyscap[i].num, i);
             flag++;
         }
     }
-    if (flag == 0) {
-        return 0;
-    } else {
+    return flag;
+}
+
+int CheckSyscapNumOrder(void)
+{
+    if (COMMUNICATION_NETMANAGER_VPN != 227) { // 227, special number
+        printf("[ERROR][syscap_define.h]: "
+            "enum value 'COMMUNICATION_NETMANAGER_VPN' should be 227. "
+            "Please don't change original SyscapNum's enum value order, "
+            "and add the new enum value at the end.\n");
+        return 1;
+    }
+    return 0;
+}
+
+int main(void)
+{
+    if (CheckSyscapNumOrder() != 0) {
         return -1;
     }
+    if (CheckSortBySyscapNum() != 0) {
+        return -1;
+    }
+    return 0;
 }
\ No newline at end of file