diff --git a/services/param/client/param_request.c b/services/param/client/param_request.c
index 557a690ffb62a96ce805c354f67e42bdb5312379..fba5486d996e877011294c5c94695133eebb868a 100644
--- a/services/param/client/param_request.c
+++ b/services/param/client/param_request.c
@@ -275,7 +275,7 @@ int SystemGetParameterValue(ParamHandle handle, char *value, unsigned int *len)
 }
 
 int SystemTraversalParameter(
-    void (*traversalParameter)(ParamHandle handle, ParamContextPtr cookie), ParamContextPtr cookie)
+    void (*traversalParameter)(ParamHandle handle, void *cookie), void *cookie)
 {
     InitParamClient();
     PARAM_CHECK(traversalParameter != NULL, return -1, "The param is null");
diff --git a/services/param/manager/param_utils.c b/services/param/manager/param_utils.c
index 77b34a0c542a993d58092d4cf430c23428dbeb50..4b41c4e2669f291052e28b054959b1510696a28c 100755
--- a/services/param/manager/param_utils.c
+++ b/services/param/manager/param_utils.c
@@ -43,7 +43,7 @@ int ReadFileInDir(const char *dirPath, const char *includeExt,
     int (*processFile)(const char *fileName, void *context), void *context)
 {
     if (dirPath == NULL || processFile == NULL) {
-        return NULL;
+        return -1;
     }
     DIR *pDir = opendir(dirPath);
     PARAM_CHECK(pDir != NULL, return -1, "Read dir :%s failed.%d", dirPath, errno);