diff --git a/bpf/bpf_config_define.h b/bpf/bpf_config_define.h
index 193ae4e..5348a63 100644
--- a/bpf/bpf_config_define.h
+++ b/bpf/bpf_config_define.h
@@ -1,7 +1,7 @@
 #ifndef _BPF_CONFIG_H_
 #define _BPF_CONFIG_H_
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 extern "C"
 {
 #endif
@@ -46,7 +46,7 @@ struct
     __uint(max_entries, 16);
 } bpf_config_map SEC(".maps");
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 }
 #endif
 
diff --git a/bpf/bpf_config_kernel.h b/bpf/bpf_config_kernel.h
index 7936612..98669f2 100644
--- a/bpf/bpf_config_kernel.h
+++ b/bpf/bpf_config_kernel.h
@@ -1,7 +1,7 @@
 #ifndef _BPF_CONFIG_KERNEL_H_
 #define _BPF_CONFIG_KERNEL_H_
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 extern "C"
 {
 #endif
@@ -54,7 +54,7 @@ static inline __u32 bpf_config_get_queue_num(struct bpf_config *config)
     return config->queue_num.val;
 }
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 }
 #endif
 
diff --git a/bpf/bpf_config_user.h b/bpf/bpf_config_user.h
index a6fc2ad..beba012 100644
--- a/bpf/bpf_config_user.h
+++ b/bpf/bpf_config_user.h
@@ -1,7 +1,7 @@
 #ifndef _BPF_CONFIG_USER_H_
 #define _BPF_CONFIG_USER_H_
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 extern "C"
 {
 #endif
@@ -65,7 +65,7 @@ static inline void bpf_config_set_queue_num(struct bpf_config *config, __u32 val
     memcpy(config->queue_num.key.str, BPF_CONFIG_KEY_QUEUE_NUM, strlen(BPF_CONFIG_KEY_QUEUE_NUM));
 }
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 }
 #endif
 
diff --git a/bpf/bpf_obj.h b/bpf/bpf_obj.h
index 529080d..e5de40a 100644
--- a/bpf/bpf_obj.h
+++ b/bpf/bpf_obj.h
@@ -1,7 +1,7 @@
 #ifndef _BPF_OBJ_H_
 #define _BPF_OBJ_H_
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 extern "C"
 {
 #endif
@@ -24,7 +24,7 @@ void bpf_obj_unload(struct bpf_obj_ctx *ctx);
  */
 int bpf_obj_attach(struct bpf_obj_ctx *ctx, int fd);
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 }
 #endif
 
diff --git a/bpf/crc32_hash.h b/bpf/crc32_hash.h
index 4aa5e71..9189580 100644
--- a/bpf/crc32_hash.h
+++ b/bpf/crc32_hash.h
@@ -1,7 +1,7 @@
 #ifndef _CRC32_HASH_H_
 #define _CRC32_HASH_H_
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 extern "C"
 {
 #endif
@@ -350,7 +350,7 @@ static inline __u32 crc32_hash(const void *data, __u32 data_len, __u32 init_val)
 	return init_val;
 }
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 }
 #endif
 
diff --git a/common/include/io_uring.h b/common/include/io_uring.h
index 2f891cc..5964f9c 100644
--- a/common/include/io_uring.h
+++ b/common/include/io_uring.h
@@ -1,7 +1,7 @@
 #ifndef _IO_URING_H_
 #define _IO_URING_H_
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 extern "C"
 {
 #endif
@@ -37,7 +37,7 @@ int io_uring_submit_write_entry(struct io_uring_instance *instance, const char *
 // returns the number of processed entrys
 int io_uring_peek_ready_entrys(struct io_uring_instance *instance);
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 }
 #endif
 
diff --git a/common/include/tap.h b/common/include/tap.h
index c31c7d8..47286f5 100644
--- a/common/include/tap.h
+++ b/common/include/tap.h
@@ -1,7 +1,7 @@
 #ifndef _TAP_H_
 #define _TAP_H_
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 extern "C"
 {
 #endif
@@ -12,7 +12,7 @@ void tap_close(int sockfd);
 int tap_up_link(const char *eth);
 int tap_get_mtu(const char *eth);
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 }
 #endif
 
diff --git a/plugin/business/doh/src/dns.h b/plugin/business/doh/src/dns.h
index f56c682..33e2e7b 100644
--- a/plugin/business/doh/src/dns.h
+++ b/plugin/business/doh/src/dns.h
@@ -139,7 +139,7 @@
 #define DNS_CLASS_HS      4
 #define DNS_QCLASS_ANY    255
 
-// ´æ´¢ DNS Í·²¿ÐÅÏ¢µÄ½á¹¹Ìå
+// �洢 DNS ͷ����Ϣ�Ľṹ��
 typedef struct _dns_hdr
 {
 	u_int16_t id;
@@ -296,7 +296,7 @@ typedef struct _nsec3param
 	u_char *salt_value;
 } nsec3param_t;
 
-// ´æ´¢ DNS ×ÊÔ´¼Ç¼ÇøÓò(»Ø´ðÇøÓò / ÊÚȨÇøÓò / ¸½¼ÓÇøÓò)µÄ½á¹¹Ìå
+// �洢 DNS ��Դ��¼����(�ش����� / ��Ȩ���� / ��������)�Ľṹ��
 typedef struct _dns_rr
 {
 	u_char name[DNS_MAX_NAME + 1];
@@ -345,7 +345,7 @@ typedef struct _fake_packet_opt
 	u_char res_info[DNS_MAX_NAME + 1];
 } cheat_pkt_opt_t;
 
-// ´æ´¢ DNS Queries ÇøÓòµÄ½á¹¹Ìå
+// �洢 DNS Queries ����Ľṹ��
 typedef struct
 {
 	u_int16_t qtype;
@@ -355,22 +355,22 @@ typedef struct
 
 #define MAX_RR_NUM 256
 
-// ´æ´¢ÍêÕû DNS ÐÅÏ¢µÄ½á¹¹Ìå
+// �洢���� DNS ��Ϣ�Ľṹ��
 typedef struct _dns_info
 {
-	// ´æ´¢ DNS Í·²¿ÐÅÏ¢µÄ½á¹¹Ìå
+	// �洢 DNS ͷ����Ϣ�Ľṹ��
 	dns_hdr_t hdr_info;
 
-	// RR ¼Ç¼µÄ¸öÊý
+	// RR ��¼�ĸ���
 	int rr_count;
-	// ´æ´¢ DNS ×ÊÔ´¼Ç¼ÇøÓò(»Ø´ðÇøÓò / ÊÚȨÇøÓò / ¸½¼ÓÇøÓò)µÄ½á¹¹Ìå
+	// �洢 DNS ��Դ��¼����(�ش����� / ��Ȩ���� / ��������)�Ľṹ��
 	dns_rr_t rr[MAX_RR_NUM];
 
-	// ´æ´¢ DNS Queries ÇøÓòµÄ½á¹¹Ìå
+	// �洢 DNS Queries ����Ľṹ��
 	dns_query_question_t query_question;
 } dns_info_t;
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 extern "C"
 {
 #endif
@@ -382,7 +382,7 @@ int dns_parser(dns_info_t *dns_info, char *in_buff, int buff_len);
 int dns_package(dns_info_t *dns_info, char *out_buff, int buff_size);
 int dns_cheat_response(dns_info_t *dns_info, cheat_pkt_opt_t *cheat_opt, int cheat_opt_num, char *out_buff, int buff_size);
 
-#ifdef __cplusplus
+#ifdef __cpluscplus
 }
 #endif
 #endif