fix the images

docs/source/developer_notes/base_data_class.rst

@@ -12,7 +12,7 @@ Tensor wraps a multi-dimensional matrix to better support its operations and com
 In LLM applications, data constantly needs to interact with LLMs in the form of strings via prompt and be parsed back to structured data from LLMs' text prediction.
 :class:`core.base_data_class.DataClass` is designed to ease the data interaction with LLMs via prompt(input) and text prediction(output).
 
-.. figure:: ../_static/images/dataclass.png
+.. figure:: /_static/images/dataclass.png
     :align: center
     :alt: DataClass
     :width: 680px