diff --git a/src/fscript_ext/fscript_app_conf.c b/src/fscript_ext/fscript_app_conf.c
new file mode 100644
index 000000000..fe7724704
--- /dev/null
+++ b/src/fscript_ext/fscript_app_conf.c
@@ -0,0 +1,38 @@
+/**
+ * File:   fscript_fs.c
+ * Author: AWTK Develop Team
+ * Brief:  fs functions for fscript
+ *
+ * Copyright (c) 2020 - 2021  Guangzhou ZHIYUAN Electronics Co.,Ltd.
+ *
+ */
+
+/**
+ * History:
+ * ================================================================
+ * 2021-01-07 Li XianJing <lixianjing@zlg.cn> created
+ *
+ */
+
+#include "tkc/fs.h"
+#include "tkc/path.h"
+#include "tkc/utils.h"
+#include "tkc/fscript.h"
+#include "conf_io/app_conf.h"
+
+static ret_t func_app_conf(fscript_t* fscript, fscript_args_t* args, value_t* result) {
+  value_set_object(result, app_conf_get_instance());
+  return RET_OK;
+}
+
+static ret_t func_app_conf_save(fscript_t* fscript, fscript_args_t* args, value_t* result) {
+  value_set_bool(result, app_conf_save() == RET_OK);
+  return RET_OK;
+}
+
+ret_t fscript_app_conf_register(void) {
+  ENSURE(fscript_register_func("app_conf", func_app_conf) == RET_OK);
+  ENSURE(fscript_register_func("app_conf_save", func_app_conf_save) == RET_OK);
+
+  return RET_OK;
+}
diff --git a/src/fscript_ext/fscript_app_conf.h b/src/fscript_ext/fscript_app_conf.h
new file mode 100644
index 000000000..76660c3f5
--- /dev/null
+++ b/src/fscript_ext/fscript_app_conf.h
@@ -0,0 +1,35 @@
+/**
+ * File:   fscript_fs.h
+ * Author: AWTK Develop Team
+ * Brief:  fs functions for fscript
+ *
+ * Copyright (c) 2020 - 2021  Guangzhou ZHIYUAN Electronics Co.,Ltd.
+ *
+ */
+
+/**
+ * History:
+ * ================================================================
+ * 2021-01-07 Li XianJing <lixianjing@zlg.cn> created
+ *
+ */
+
+#ifndef TK_FSCRIPT_APP_CONF_H
+#define TK_FSCRIPT_APP_CONF_H
+
+#include "tkc/str.h"
+#include "tkc/object.h"
+
+BEGIN_C_DECLS
+
+/**
+ * @method fscript_app_conf_register
+ * 注册app_conf函数。
+ *
+ * @return {ret_t} 返回RET_OK表示成功，否则表示失败。
+ */
+ret_t fscript_app_conf_register(void);
+
+END_C_DECLS
+
+#endif /*TK_FSCRIPT_APP_CONF_H*/
diff --git a/src/fscript_ext/fscript_ext.c b/src/fscript_ext/fscript_ext.c
index 7362d9b87..06158e818 100644
--- a/src/fscript_ext/fscript_ext.c
+++ b/src/fscript_ext/fscript_ext.c
@@ -25,6 +25,7 @@
 #include "fscript_ext/fscript_object.h"
 #include "fscript_ext/fscript_rbuffer.h"
 #include "fscript_ext/fscript_wbuffer.h"
+#include "fscript_ext/fscript_app_conf.h"
 #include "fscript_ext/fscript_typed_array.h"
 
 #include "fscript_ext/fscript_istream.h"
@@ -117,5 +118,9 @@ ret_t fscript_ext_init(void) {
   fscript_typed_array_register();
 #endif /*FSCRIPT_WITH_TYPED_ARRAY*/
 
+#ifdef FSCRIPT_WITH_APP_CONF
+  fscript_app_conf_register();
+#endif /*FSCRIPT_WITH_TYPED_ARRAY*/
+
   return RET_OK;
 }
diff --git a/src/fscript_ext/fscript_ext.h b/src/fscript_ext/fscript_ext.h
index e8333ed4e..25c2fab16 100644
--- a/src/fscript_ext/fscript_ext.h
+++ b/src/fscript_ext/fscript_ext.h
@@ -41,6 +41,7 @@ ret_t fscript_ext_init(void);
 #define FSCRIPT_WITH_STREAM 1
 #define FSCRIPT_WITH_BITS 1
 #define FSCRIPT_WITH_FS 1
+#define FSCRIPT_WITH_APP_CONF 1
 #define FSCRIPT_WITH_STREAM_FILE 1
 #define FSCRIPT_WITH_STREAM_INET 1
 #define FSCRIPT_WITH_STREAM_SERIAL 1
diff --git a/src/fscript_ext/fscript_object.c b/src/fscript_ext/fscript_object.c
index de5a021f2..e6201d829 100644
--- a/src/fscript_ext/fscript_object.c
+++ b/src/fscript_ext/fscript_object.c
@@ -42,12 +42,29 @@ static ret_t func_object_unref(fscript_t* fscript, fscript_args_t* args, value_t
 }
 
 static ret_t func_object_get_prop(fscript_t* fscript, fscript_args_t* args, value_t* result) {
+  object_t* obj = NULL;
+  FSCRIPT_FUNC_CHECK(args->size >= 2, RET_BAD_PARAMS);
+  obj = value_object(args->args);
+  return_value_if_fail(obj != NULL, RET_BAD_PARAMS);
+
+  if (object_get_prop(obj, value_str(args->args + 1), result) != RET_OK) {
+    if (args->size > 2) {
+      value_deep_copy(result, args->args + 2);
+    } else {
+      value_set_uint32(result, 0);
+    }
+  }
+
+  return RET_OK;
+}
+
+static ret_t func_object_remove_prop(fscript_t* fscript, fscript_args_t* args, value_t* result) {
   object_t* obj = NULL;
   FSCRIPT_FUNC_CHECK(args->size == 2, RET_BAD_PARAMS);
   obj = value_object(args->args);
   return_value_if_fail(obj != NULL, RET_BAD_PARAMS);
 
-  object_get_prop(obj, value_str(args->args + 1), result);
+  value_set_bool(result, object_remove_prop(obj, value_str(args->args + 1)) == RET_OK);
 
   return RET_OK;
 }
@@ -78,6 +95,7 @@ ret_t fscript_object_register(void) {
   ENSURE(fscript_register_func("object_unref", func_object_unref) == RET_OK);
   ENSURE(fscript_register_func("object_set", func_object_set_prop) == RET_OK);
   ENSURE(fscript_register_func("object_get", func_object_get_prop) == RET_OK);
+  ENSURE(fscript_register_func("object_remove", func_object_remove_prop) == RET_OK);
 
   return RET_OK;
 }
diff --git a/tests/fscript_run.cpp b/tests/fscript_run.cpp
index 209b3b9d8..ee6927328 100644
--- a/tests/fscript_run.cpp
+++ b/tests/fscript_run.cpp
@@ -6,6 +6,14 @@
 #include "tkc/fscript.h"
 #include "tkc/object_default.h"
 #include "fscript_ext/fscript_ext.h"
+#include "conf_io/app_conf_init_json.h"
+#include "tkc/data_reader_factory.h"
+#include "tkc/data_writer_factory.h"
+#include "tkc/data_writer_file.h"
+#include "tkc/data_writer_wbuffer.h"
+#include "tkc/data_reader_file.h"
+#include "tkc/data_reader_mem.h"
+#include "base/data_reader_asset.h"
 
 static ret_t run_fscript(const char* code, uint32_t times) {
   value_t v;
@@ -48,7 +56,15 @@ int main(int argc, char* argv[]) {
 
   fscript_global_init();
   fscript_ext_init();
+  data_writer_factory_set(data_writer_factory_create());
+  data_reader_factory_set(data_reader_factory_create());
+  data_writer_factory_register(data_writer_factory(), "file", data_writer_file_create);
+  data_reader_factory_register(data_reader_factory(), "file", data_reader_file_create);
+  data_reader_factory_register(data_reader_factory(), "asset", data_reader_asset_create);
+  data_reader_factory_register(data_reader_factory(), "mem", data_reader_mem_create);
+  data_writer_factory_register(data_writer_factory(), "wbuffer", data_writer_wbuffer_create);
 
+  app_conf_init_json("runFScript");
   tk_mem_dump();
   if (argc < 2) {
     printf("Usage: %s script\n", argv[0]);
@@ -63,6 +79,10 @@ int main(int argc, char* argv[]) {
     }
   }
   tk_mem_dump();
+  data_writer_factory_destroy(data_writer_factory());
+  data_reader_factory_destroy(data_reader_factory());
+  data_writer_factory_set(NULL);
+  data_reader_factory_set(NULL);
   fscript_global_deinit();
 
   return 0;
diff --git a/tests/fscripts/demo_app_conf.fs b/tests/fscripts/demo_app_conf.fs
new file mode 100644
index 000000000..f0beba4ce
--- /dev/null
+++ b/tests/fscripts/demo_app_conf.fs
@@ -0,0 +1,18 @@
+
+assert(object_set(app_conf(), "timeout", 100))
+assert(object_set(app_conf(), "serial.device", "/dev/tty01"))
+assert(object_set(app_conf(), "serial.baudrate", 115200))
+assert(app_conf_save())
+
+assert(object_get(app_conf(), "timeout") == 100)
+assert(object_get(app_conf(), "serial.device") == "/dev/tty01")
+assert(object_get(app_conf(), "serial.baudrate") == 115200)
+
+assert(object_remove(app_conf(), "timeout"))
+assert(object_remove(app_conf(), "serial"))
+
+assert(object_get(app_conf(), "timeout", 10) == 10)
+assert(object_get(app_conf(), "serial.device", "a") == "a")
+assert(object_get(app_conf(), "serial.baudrate", 1000) == 1000) 
+
+assert(app_conf_save())
diff --git a/tests/testdata/demo_bits.fs b/tests/fscripts/demo_bits.fs
similarity index 100%
rename from tests/testdata/demo_bits.fs
rename to tests/fscripts/demo_bits.fs
diff --git a/tests/testdata/demo_comments.fs b/tests/fscripts/demo_comments.fs
similarity index 100%
rename from tests/testdata/demo_comments.fs
rename to tests/fscripts/demo_comments.fs
diff --git a/tests/testdata/demo_expr.fs b/tests/fscripts/demo_expr.fs
similarity index 100%
rename from tests/testdata/demo_expr.fs
rename to tests/fscripts/demo_expr.fs
diff --git a/tests/testdata/demo_fs.fs b/tests/fscripts/demo_fs.fs
similarity index 100%
rename from tests/testdata/demo_fs.fs
rename to tests/fscripts/demo_fs.fs
diff --git a/tests/testdata/demo_if1.fs b/tests/fscripts/demo_if1.fs
similarity index 100%
rename from tests/testdata/demo_if1.fs
rename to tests/fscripts/demo_if1.fs
diff --git a/tests/testdata/demo_object.fs b/tests/fscripts/demo_object.fs
similarity index 100%
rename from tests/testdata/demo_object.fs
rename to tests/fscripts/demo_object.fs
diff --git a/tests/testdata/demo_serial.fs b/tests/fscripts/demo_serial.fs
similarity index 100%
rename from tests/testdata/demo_serial.fs
rename to tests/fscripts/demo_serial.fs
diff --git a/tests/testdata/demo_stream_file.fs b/tests/fscripts/demo_stream_file.fs
similarity index 100%
rename from tests/testdata/demo_stream_file.fs
rename to tests/fscripts/demo_stream_file.fs
diff --git a/tests/testdata/demo_stream_file1.fs b/tests/fscripts/demo_stream_file1.fs
similarity index 100%
rename from tests/testdata/demo_stream_file1.fs
rename to tests/fscripts/demo_stream_file1.fs
diff --git a/tests/testdata/demo_tcp.fs b/tests/fscripts/demo_tcp.fs
similarity index 100%
rename from tests/testdata/demo_tcp.fs
rename to tests/fscripts/demo_tcp.fs
diff --git a/tests/testdata/demo_typed_array.fs b/tests/fscripts/demo_typed_array.fs
similarity index 100%
rename from tests/testdata/demo_typed_array.fs
rename to tests/fscripts/demo_typed_array.fs
diff --git a/tests/testdata/demo_typed_array1.fs b/tests/fscripts/demo_typed_array1.fs
similarity index 100%
rename from tests/testdata/demo_typed_array1.fs
rename to tests/fscripts/demo_typed_array1.fs
diff --git a/tests/testdata/demo_typed_array2.fs b/tests/fscripts/demo_typed_array2.fs
similarity index 100%
rename from tests/testdata/demo_typed_array2.fs
rename to tests/fscripts/demo_typed_array2.fs
diff --git a/tests/testdata/demo_udp.fs b/tests/fscripts/demo_udp.fs
similarity index 100%
rename from tests/testdata/demo_udp.fs
rename to tests/fscripts/demo_udp.fs
diff --git a/tests/testdata/demo_wbuffer.fs b/tests/fscripts/demo_wbuffer.fs
similarity index 100%
rename from tests/testdata/demo_wbuffer.fs
rename to tests/fscripts/demo_wbuffer.fs
diff --git a/tests/testdata/demo_wbuffer1.fs b/tests/fscripts/demo_wbuffer1.fs
similarity index 100%
rename from tests/testdata/demo_wbuffer1.fs
rename to tests/fscripts/demo_wbuffer1.fs
diff --git a/tests/testdata/demo_wbuffer2.fs b/tests/fscripts/demo_wbuffer2.fs
similarity index 100%
rename from tests/testdata/demo_wbuffer2.fs
rename to tests/fscripts/demo_wbuffer2.fs
diff --git a/tests/testdata/demo_wbuffer3.fs b/tests/fscripts/demo_wbuffer3.fs
similarity index 100%
rename from tests/testdata/demo_wbuffer3.fs
rename to tests/fscripts/demo_wbuffer3.fs
diff --git a/tests/testdata/demo_while1.fs b/tests/fscripts/demo_while1.fs
similarity index 100%
rename from tests/testdata/demo_while1.fs
rename to tests/fscripts/demo_while1.fs
diff --git a/tests/testdata/demo_while2.fs b/tests/fscripts/demo_while2.fs
similarity index 100%
rename from tests/testdata/demo_while2.fs
rename to tests/fscripts/demo_while2.fs
diff --git a/tests/testdata/demo_while3.fs b/tests/fscripts/demo_while3.fs
similarity index 100%
rename from tests/testdata/demo_while3.fs
rename to tests/fscripts/demo_while3.fs
diff --git a/tests/testdata/demo_while4.fs b/tests/fscripts/demo_while4.fs
similarity index 100%
rename from tests/testdata/demo_while4.fs
rename to tests/fscripts/demo_while4.fs