diff --git a/docs/changes.md b/docs/changes.md
index 76540ef58f..59257678e9 100644
--- a/docs/changes.md
+++ b/docs/changes.md
@@ -2,6 +2,7 @@
 
 2024/01/12
   * 实现 conf\_doc\_foreach 函数(感谢林福提供补丁)
+  * 实现 data\_reader\_can\_read  函数(感谢林福提供补丁)
 
 2024/01/11
   * 增加一个编译参数类型用于None的情况下识别编译传参类型以及修复app和awtk编译模式不同的问题(感谢智明提供补丁)
diff --git a/src/tkc/data_reader.c b/src/tkc/data_reader.c
index 5bedae3db8..a0befca320 100644
--- a/src/tkc/data_reader.c
+++ b/src/tkc/data_reader.c
@@ -66,3 +66,16 @@ void* data_reader_read_all(const char* url, uint32_t* size) {
 
   return data;
 }
+
+bool_t data_reader_can_read(const char* url) {
+  bool_t can = FALSE;
+  data_reader_t* reader = data_reader_factory_create_reader(data_reader_factory(), url);
+  if (!reader) {
+    return FALSE;
+  }
+  if (data_reader_get_size(reader) > 0) {
+    can = TRUE;
+  }
+  data_reader_destroy(reader);
+  return can;
+}
\ No newline at end of file
diff --git a/src/tkc/data_reader.h b/src/tkc/data_reader.h
index e59a967e4f..2a64462df5 100644
--- a/src/tkc/data_reader.h
+++ b/src/tkc/data_reader.h
@@ -93,6 +93,16 @@ ret_t data_reader_destroy(data_reader_t* reader);
  */
 void* data_reader_read_all(const char* url, uint32_t* size);
 
+/**
+ * @method data_reader_can_read
+ * 查询 url 中是否有数据。
+ *
+ * @param {const char*} url URL。
+ *
+ * @return {bool_t} 返回 bool_t 值。
+ */
+bool_t data_reader_can_read(const char* url);
+
 #define DATA_READER(reader) ((data_reader_t*)(reader))
 
 END_C_DECLS