diff --git a/libs/fuzzlib/README_zh.md b/libs/fuzzlib/README_zh.md
index 4f009aceb0492d33f5f93d48b901c8ef79897871..9d17005ebb08b0bcfdcfa86d37b5a8034c3ca138 100644
--- a/libs/fuzzlib/README_zh.md
+++ b/libs/fuzzlib/README_zh.md
@@ -77,11 +77,11 @@
      gen -t TESTTYPE -fn FUZZERNAME -dp DIRECTORYPATH
      ```
 
-     | 参数 | 说明           | 备注                                                     |
-     | ---- | -------------- | -------------------------------------------------------- |
-     | -t   | 测试类型       | 目前仅支持"FUZZ"                                         |
-     | -fn  | DTFuzz名称     | 为显式区分DTFuzz，名称必须以"fuzzer"结尾                 |
-     | -dp  | DTFuzz生成路径 | 执行命令前需要手动创建fuzztest目录和对应形态目录如common |
+     | 参数 | 说明           | 备注                                     |
+     | ---- | -------------- | ---------------------------------------- |
+     | -t   | 测试类型       | 目前仅支持"FUZZ"                         |
+     | -fn  | DTFuzz名称     | 为显式区分DTFuzz，名称必须以"fuzzer"结尾 |
+     | -dp  | DTFuzz生成路径 | 路径不存在则自动创建目录                 |
 
   3. gen命令示例，-t、-fn和-dp均为必选项
 
diff --git a/src/core/command/gen.py b/src/core/command/gen.py
index e3af63148f34f81fa0306eae055f1171afb2824a..bcbeecde7cf4c6e36546ce98436d126516d08110 100644
--- a/src/core/command/gen.py
+++ b/src/core/command/gen.py
@@ -53,10 +53,9 @@ class Gen(object):
         fuzz_path = os.path.join(sys.source_code_root_path, options.dirpath)
         LOG.info("fuzz_path = %s" % fuzz_path)
         if not os.path.exists(fuzz_path):
-            LOG.error("%s is not exist." % fuzz_path)
-            return
+            os.makedirs(fuzz_path)
+            LOG.info("make folder %s" % fuzz_path)
 
-        LOG.info("%s exist." % fuzz_path)
         command = [sys.executable, helper_path, 'generate',
                    options.fuzzername, fuzz_path]
         LOG.info("command %s" % command)