diff --git a/docs/component/report.rst b/docs/component/report.rst
index 8ea3d7abe..7d8053c78 100644
--- a/docs/component/report.rst
+++ b/docs/component/report.rst
@@ -1,13 +1,13 @@
 .. _report:
 
 ==========================================
-Aanalysis: Evaluation & Results Analysis
+Analysis: Evaluation & Results Analysis
 ==========================================
 
 Introduction
 ===================
 
-``Aanalysis`` is designed to show the graphical reports of ``Intraday Trading`` , which helps users to evaluate and analyse investment portfolios visually. The following are some graphics to view:
+``Analysis`` is designed to show the graphical reports of ``Intraday Trading`` , which helps users to evaluate and analyse investment portfolios visually. The following are some graphics to view:
 
 - analysis_position
     - report_graph
diff --git a/docs/index.rst b/docs/index.rst
index 3a7358288..1e43cf99e 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -41,7 +41,7 @@ Document Structure
    Interday Strategy: Portfolio Management <component/strategy.rst>
    Intraday Trading: Model&Strategy Testing <component/backtest.rst>
    Qlib Recorder: Experiment Management <component/recorder.rst>
-   Aanalysis: Evaluation & Results Analysis <component/report.rst>
+   Analysis: Evaluation & Results Analysis <component/report.rst>
 
 .. toctree::
    :maxdepth: 3
diff --git a/docs/introduction/quick.rst b/docs/introduction/quick.rst
index a367e2dde..32752fd83 100644
--- a/docs/introduction/quick.rst
+++ b/docs/introduction/quick.rst
@@ -84,7 +84,7 @@ Auto Quant Research Workflow
     - Run ``examples/workflow_by_code.ipynb`` with jupyter notebook
         Users can have portfolio analysis or prediction score (model prediction) analysis by run ``examples/workflow_by_code.ipynb``.
     - Graphical Reports
-        Users can get graphical reports about the analysis, please refer to `Aanalysis: Evaluation & Results Analysis <../component/report.html>`_ for more details.
+        Users can get graphical reports about the analysis, please refer to `Analysis: Evaluation & Results Analysis <../component/report.html>`_ for more details.
 
 
 
diff --git a/examples/workflow_by_code.ipynb b/examples/workflow_by_code.ipynb
index 1b4183b29..692e52078 100644
--- a/examples/workflow_by_code.ipynb
+++ b/examples/workflow_by_code.ipynb
@@ -31,7 +31,8 @@
     ")\n",
     "from qlib.utils import exists_qlib_data, init_instance_by_config\n",
     "from qlib.workflow import R\n",
-    "from qlib.workflow.record_temp import SignalRecord, PortAnaRecord"
+    "from qlib.workflow.record_temp import SignalRecord, PortAnaRecord\n",
+    "from qlib.utils import flatten_dict"
    ]
   },
   {
@@ -129,7 +130,7 @@
     "\n",
     "# start exp to train model\n",
     "with R.start(experiment_name=\"train_model\"):\n",
-    "    R.log_paramters(**flatten_dict(task))\n",
+    "    R.log_params(**flatten_dict(task))\n",
     "    model.fit(dataset)\n",
     "    R.save_objects(trained_model=model)\n",
     "    rid = R.get_recorder().id\n"
@@ -337,4 +338,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
\ No newline at end of file
+}
diff --git a/qlib/data/dataset/handler.py b/qlib/data/dataset/handler.py
index 4d3d88c38..825d7e76e 100644
--- a/qlib/data/dataset/handler.py
+++ b/qlib/data/dataset/handler.py
@@ -243,10 +243,10 @@ class DataHandlerLP(DataHandler):
 
     # process type
     PTYPE_I = "independent"
-    # - self._infer will processed by infer_processors
+    # - self._infer will be processed by infer_processors
     # - self._learn will be processed by learn_processors
     PTYPE_A = "append"
-    # - self._infer will processed by infer_processors
+    # - self._infer will be processed by infer_processors
     # - self._learn will be processed by infer_processors + learn_processors
     #   - (e.g. self._infer processed by learn_processors )
 
diff --git a/qlib/workflow/cli.py b/qlib/workflow/cli.py
index 2e087877b..7562daaca 100644
--- a/qlib/workflow/cli.py
+++ b/qlib/workflow/cli.py
@@ -29,7 +29,7 @@ def sys_config(config, config_path):
     config : dict
         configuration of the workflow
     config_path : str
-        configuration of the path
+        path of the configuration
     """
     sys_config = config.get("sys", {})