diff --git a/hiview_file.c b/hiview_file.c
index 438f6cde67368759556a33f194559eefbe282f16..00b6aa5872846e2ca396887510647107c2f16826 100755
--- a/hiview_file.c
+++ b/hiview_file.c
@@ -16,6 +16,7 @@
 #include "hiview_config.h"
 #include "hiview_def.h"
 #include "hiview_file.h"
+#include "hiview_log.h"
 #include "hiview_util.h"
 #include "ohos_types.h"
 #include "securec.h"
@@ -82,7 +83,7 @@ boolean InitHiviewFile(HiviewFile *fp, HiviewFileType type, uint32 size)
         pCommon->codeSubVersion = HIVIEW_FILE_HEADER_SUB_VERSION;
         pCommon->defineFileVersion = GetDefineFileVersion(pCommon->type);
     }
-
+    HILOG_INFO(HILOG_MODULE_HIVIEW, "InitHiviewFile for type %d success", (int32)type);
     return TRUE;
 }
 
@@ -207,21 +208,9 @@ uint32 GetFileFreeSize(HiviewFile *fp)
 int32 CloseHiviewFile(HiviewFile *fp)
 {
     if (fp != NULL && fp->fhandle > 0) {
-        if (strcmp(fp->outPath, HIVIEW_FILE_OUT_PATH_LOG) != 0) {
-            HIVIEW_MemFree(MEM_POOL_HIVIEW_ID, fp->outPath);
-            fp->outPath = HIVIEW_FILE_OUT_PATH_LOG;
-        } else if (strcmp(fp->outPath, HIVIEW_FILE_OUT_PATH_UE_EVENT) != 0) {
-            HIVIEW_MemFree(MEM_POOL_HIVIEW_ID, fp->outPath);
-            fp->outPath = HIVIEW_FILE_OUT_PATH_UE_EVENT;
-        } else if (strcmp(fp->outPath, HIVIEW_FILE_OUT_PATH_FAULT_EVENT) != 0) {
-            HIVIEW_MemFree(MEM_POOL_HIVIEW_ID, fp->outPath);
-            fp->outPath = HIVIEW_FILE_OUT_PATH_FAULT_EVENT;
-        } else if (strcmp(fp->outPath, HIVIEW_FILE_OUT_PATH_STAT_EVENT) != 0) {
-            HIVIEW_MemFree(MEM_POOL_HIVIEW_ID, fp->outPath);
-            fp->outPath = HIVIEW_FILE_OUT_PATH_STAT_EVENT;
-        }
         int32 ret = HIVIEW_FileClose(fp->fhandle);
         fp->fhandle = -1;
+        UnRegisterFileWatcher(fp, NULL);
         return ret;
     }
     return -1;
@@ -287,7 +276,7 @@ int IsValidPath(const char *path)
 
 void RegisterFileWatcher(HiviewFile *fp, FileProc func, const char *path)
 {
-    if (fp == NULL || func == NULL || path == NULL) {
+    if (fp == NULL || func == NULL) {
         return;
     }
     fp->pFunc = func;
diff --git a/hiview_util.c b/hiview_util.c
index a5e39c9155a54bbc26c4c13315a9758505163ca9..bfcbf3ba279d44cc1baf91d9cf425a0153fa8b13 100755
--- a/hiview_util.c
+++ b/hiview_util.c
@@ -15,6 +15,7 @@
 
 #include "hiview_util.h"
 
+#include <errno.h>
 #include <fcntl.h>
 #include <string.h>
 #include <stdio.h>
@@ -129,36 +130,58 @@ void HIVIEW_Sleep(uint32 ms)
 
 int32 HIVIEW_FileOpen(const char *path)
 {
-    return open(path, O_RDWR | O_CREAT, 0);
+    int32 handle = open(path, O_RDWR | O_CREAT, 0);
+    if (handle < 0) {
+        printf("HIVIEW_FileOpen %s fail, errno:%d\n", path, errno);
+    }
+    return handle;
 }
 
 int32 HIVIEW_FileClose(int32 handle)
 {
+    if (handle < 0) {
+        return -1;
+    }
     return close(handle);
 }
 
 int32 HIVIEW_FileRead(int32 handle, uint8 *buf, uint32 len)
 {
+    if (handle < 0) {
+        return -1;
+    }
     return read(handle, (char *)buf, len);
 }
 
 int32 HIVIEW_FileWrite(int32 handle, const uint8 *buf, uint32 len)
 {
+    if (handle < 0) {
+        return -1;
+    }
     return write(handle, (const char *)buf, len);
 }
 
 int32 HIVIEW_FileSeek(int32 handle, int32 offset, int32 whence)
 {
+    if (handle < 0) {
+        return -1;
+    }
     return lseek(handle, (off_t)offset, whence);
 }
 
 int32 HIVIEW_FileSize(int32 handle)
 {
+    if (handle < 0) {
+        return -1;
+    }
     return lseek(handle, 0, SEEK_END);
 }
 
 int32 HIVIEW_FileSync(int32 handle)
 {
+    if (handle < 0) {
+        return -1;
+    }
     return fsync(handle);
 }