Update README.md

README.md

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 <img src="figure/pipeline.jpg" alt="Norman_category" width="800">
 </div>
 
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+## Compound Batch Query Tool (Desktop Version)
+For chemists/researchers to automate batch compound info retrieval from CSV files (default column: `IUPAC_name`). Outputs standardized CSVs, failure logs, and raw API records for analysis/debugging. Requires valid Dify API key and accessible backend.
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 ## System Requirements
 | Category | Specification |
 |----------|---------------|
@@ -68,8 +72,8 @@ The system integrates three core databases with differentiated deployment strate
 2. Deploy FDA plugin to connect FastGPT and Dify.
 3. Import the Norman dataset(knowledge_database_input_iupac.csv) into FastGPT, configure the application, and export the API key.
 4. Create a custom Schema tool on Dify and configure SQL invocation rules.
-5. Deploy Pubchemlite_exposomics(PubChemLite_exposomics_20251226.csv) and Invitrodb_v4.3 databases to local SQL and test query connectivity.
-6. Create a backend program(step1_pubchemlite_invitrodb_to_dify_en.py) to connect Dify and the SQL databases.
+5. Deploy Pubchemlite_exposomics (PubChemLite_exposomics_20251226.csv) and Invitrodb_v4.3 databases to local SQL and test query connectivity.
+6. Create a backend program (step1_pubchemlite_invitrodb_to_dify_en.py) to connect Dify and the SQL databases.
 
 ### Inference Workflow
 1. Input the **IUPAC name** of the emerging contaminant into the Dify chat interface.