diff --git a/config.ipynb b/config.ipynb
index ed00d0d..4d51b8e 100644
--- a/config.ipynb
+++ b/config.ipynb
@@ -1,6 +1,4 @@
 # 📁 SQL Profiler JSON File Path Configuration
-# 
-# Please change the JSON_FILE_PATH below to your actual file path:
 
 # SQLProfiler JSON file (required)
 JSON_FILE_PATH = '/Workspace/Shared/AutoSQLTuning/sample.json'
@@ -8,6 +6,9 @@ JSON_FILE_PATH = '/Workspace/Shared/AutoSQLTuning/sample.json'
 # Output file directory (required)
 OUTPUT_FILE_DIR = './output'
 
+# 🔍 EXPLAIN statement execution setting (EXPLAIN_ENABLED: 'Y' = execute, 'N' = do not execute)
+EXPLAIN_ENABLED = 'Y'
+
 # 🗂️ Catalog and database configuration (used when executing EXPLAIN statements)
 CATALOG = 'tpcds'
 DATABASE = 'tpcds_sf1000_delta_lc'
@@ -15,11 +16,8 @@ DATABASE = 'tpcds_sf1000_delta_lc'
 # 🌐 Output language setting (OUTPUT_LANGUAGE: 'ja' = Japanese, 'en' = English)
 OUTPUT_LANGUAGE = 'en'
 
-# 🔍 EXPLAIN statement execution setting (EXPLAIN_ENABLED: 'Y' = execute, 'N' = do not execute)
-EXPLAIN_ENABLED = 'Y'
-
 # 🐛 Debug mode setting (DEBUG_ENABLED: 'Y' = keep intermediate files, 'N' = keep final files only)
-DEBUG_ENABLED = 'Y'
+DEBUG_ENABLED = 'N'
 
 # 🚀 Iterative optimization maximum attempt count settings (MAX_OPTIMIZATION_ATTEMPTS: default 3 times)
 # 🔄 New design: Each attempt is clearly evaluated
@@ -36,4 +34,4 @@ if not os.path.exists(OUTPUT_FILE_DIR):
     os.makedirs(OUTPUT_FILE_DIR, exist_ok=True)
     print(f"📁 Created output directory: {OUTPUT_FILE_DIR}")
 else:
-    print(f"📁 Using output directory: {OUTPUT_FILE_DIR}")# Cell 3 placeholder# Cell 2 placeholder# Cell 1 placeholder# SQL Profiler Configuration Notebook
\ No newline at end of file
+    print(f"📁 Using output directory: {OUTPUT_FILE_DIR}")