diff --git a/README.md b/README.md
index 57abe28..3da1fde 100644
--- a/README.md
+++ b/README.md
@@ -187,3 +187,8 @@ Licensed under the GNU GPL version 2
      # pkg-config --modversion fuse   
      2.8.4   //看到版本表示安装成功  
    ```
+
+* 为什么cosfs在正常使用过程中，突然退出了，重新挂载显示"unable to access MOUNTPOINT /path/to/mountpoint: Transport endpoint is not connected"
+
+  如果cosfs不是被强制Kill掉，那么检查机器上的fuse版本是否低于2.9.4，libfuse在低于2.9.4版本的情况下可能会导致cosfs异常退出。
+  建议更新fuse版本，或下载cosfs V1.0.2及以上版本。下载地址: https://github.com/tencentyun/cosfs/releases
diff --git a/configure.ac b/configure.ac
index 94fe580..081817f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.59)
-AC_INIT(cosfs, 1.0.0)
+AC_INIT(cosfs, 1.0.2)
 AC_CONFIG_HEADER([config.h])
 
 AC_CANONICAL_SYSTEM
diff --git a/src/curl.cpp b/src/curl.cpp
index 3d8b93e..0a4139d 100644
--- a/src/curl.cpp
+++ b/src/curl.cpp
@@ -307,7 +307,7 @@ mimes_t          S3fsCurl::mimeTypes;
 int              S3fsCurl::max_parallel_cnt    = 10;              // default
 off_t            S3fsCurl::multipart_size      = MULTIPART_SIZE; // default
 bool             S3fsCurl::is_sigv4            = true;           // default
-const string     S3fsCurl::skUserAgent = "tencentyun-cosfs-v5" + string(VERSION);
+const string     S3fsCurl::skUserAgent = "tencentyun-cosfs-v5-" + string(VERSION);
 
 //-------------------------------------------------------------------
 // Class methods for S3fsCurl