diff --git a/app/tool/chart_visualization/chart_prepare.py b/app/tool/chart_visualization/chart_prepare.py
index 1eed35e4d..829ff1fef 100644
--- a/app/tool/chart_visualization/chart_prepare.py
+++ b/app/tool/chart_visualization/chart_prepare.py
@@ -21,7 +21,7 @@ class VisualizationPrepare(NormalPythonExecute):
 ## Visualization Type
 1. Data loading logic
 2. Csv Data and chart description generate
-2.1 Csv data (The data you want to visulazation, cleaning / transform from origin data, saved in .csv)
+2.1 Csv data (The data you want to visualization, cleaning / transform from origin data, saved in .csv)
 2.2 Chart description of csv data (The chart title or description should be concise and clear. Examples: 'Product sales distribution', 'Monthly revenue trend'.)
 3. Save information in json file.( format: {"csvFilePath": string, "chartTitle": string}[])
 ## Insight Type
@@ -29,7 +29,7 @@ class VisualizationPrepare(NormalPythonExecute):
 2. Save information in json file.( format: {"chartPath": string, "insights_id": number[]}[])
 # Note
 1. You can generate one or multiple csv data with different visualization needs.
-2. Make each chart data esay, clean and different.
+2. Make each chart data easy, clean and different.
 3. Json file saving in utf-8 with path print: print(json_path)
 """,
             },
diff --git a/app/tool/chart_visualization/data_visualization.py b/app/tool/chart_visualization/data_visualization.py
index 26dfaa985..9b4cd54d9 100644
--- a/app/tool/chart_visualization/data_visualization.py
+++ b/app/tool/chart_visualization/data_visualization.py
@@ -46,7 +46,7 @@ class DataVisualization(BaseTool):
                 "enum": ["zh", "en"],
             },
         },
-        "required": ["code"],
+        "required": ["json_path"],
     }
     llm: LLM = Field(default_factory=LLM, description="Language model instance")
 
@@ -89,7 +89,7 @@ def success_output_template(self, result: list[dict[str, str]]) -> str:
                 content += "\n" + item["insight_md"]
             else:
                 content += "\n"
-        return f"Chart Generated Successful!\n{content}"
+        return f"Chart Generated Successfully!\n{content}"
 
     async def data_visualization(
         self, json_info: list[dict[str, str]], output_type: str, language: str
@@ -145,7 +145,7 @@ async def data_visualization(
         else:
             return {"observation": f"{self.success_output_template(success_list)}"}
 
-    async def add_insighs(
+    async def add_insights(
         self, json_info: list[dict[str, str]], output_type: str
     ) -> str:
         data_list = []
@@ -207,7 +207,7 @@ async def execute(
             if tool_type == "visualization":
                 return await self.data_visualization(json_info, output_type, language)
             else:
-                return await self.add_insighs(json_info, output_type)
+                return await self.add_insights(json_info, output_type)
         except Exception as e:
             return {
                 "observation": f"Error: {e}",
diff --git a/app/tool/chart_visualization/python_execute.py b/app/tool/chart_visualization/python_execute.py
index 8a7b5bb4d..9dda4637b 100644
--- a/app/tool/chart_visualization/python_execute.py
+++ b/app/tool/chart_visualization/python_execute.py
@@ -22,9 +22,9 @@ class NormalPythonExecute(PythonExecute):
 # Note
 1. The code should generate a comprehensive text-based report containing dataset overview, column details, basic statistics, derived metrics, timeseries comparisons, outliers, and key insights.
 2. Use print() for all outputs so the analysis (including sections like 'Dataset Overview' or 'Preprocessing Results') is clearly visible and save it also
-3. Save any report / processed files / each analysis result in worksapce directory: {directory}
+3. Save any report / processed files / each analysis result in workspace directory: {directory}
 4. Data reports need to be content-rich, including your overall analysis process and corresponding data visualization.
-5. You can invode this tool step-by-step to do data analysis from summary to in-depth with data report saved also""".format(
+5. You can invoke this tool step-by-step to do data analysis from summary to in-depth with data report saved also""".format(
                     directory=config.workspace_root
                 ),
             },