diff --git a/os_dump/dump_syspara.c b/os_dump/dump_syspara.c
index aa04d264bcd6e3b6beed440dc64ae8f8ea5592a3..539b1b2bce26ab4512bb081be89b5a213cb3f29e 100644
--- a/os_dump/dump_syspara.c
+++ b/os_dump/dump_syspara.c
@@ -24,7 +24,7 @@
 
 #define API_VERSION_LEN 10
 
-static const char* GetSdkApiLevel()
+static const char* GetSdkApiLevel(void)
 {
     static char sdkApiVersion[API_VERSION_LEN] = {0};
     int sdkApi = GetSdkApiVersion();
@@ -32,7 +32,7 @@ static const char* GetSdkApiLevel()
     return (const char*)sdkApiVersion;
 }
 
-static const char* GetFirstApiLevel()
+static const char* GetFirstApiLevel(void)
 {
     static char firstApiVersion[API_VERSION_LEN] = {0};
     int firstApi = GetFirstApiVersion();
@@ -66,7 +66,7 @@ static const SysParaInfoItem SYSPARA_LIST[] = {
     {"BuildRootHash", GetBuildRootHash},
 };
 
-int QuerySysparaCmd()
+int QuerySysparaCmd(void)
 {
     int index = 0;
     int dumpInfoItemNum = (sizeof(SYSPARA_LIST) / sizeof(SysParaInfoItem));
diff --git a/os_dump/dump_syspara.h b/os_dump/dump_syspara.h
index 0eba9918ddcbe6c54662b666e04fd9b147bdd1be..528d49a974f668e6938146d6e736f4657974e15d 100644
--- a/os_dump/dump_syspara.h
+++ b/os_dump/dump_syspara.h
@@ -21,6 +21,6 @@ typedef struct {
     const char *(*getInfoValue)(void);
 } SysParaInfoItem;
 
-int QuerySysparaCmd();
+int QuerySysparaCmd(void);
 
 #endif