diff --git a/app/package.json b/app/package.json
index f090c6ae0..7a732767f 100644
--- a/app/package.json
+++ b/app/package.json
@@ -8,7 +8,6 @@
     "electron-log": "^4.4.1",
     "electron-updater": "^4.6.1",
     "lodash.clonedeepwith": "^4.5.0",
-    "oracledb": "^6.6.0",
     "patch-package": "^6.4.7"
   },
   "repository": {
@@ -122,6 +121,7 @@
   },
   "optionalDependencies": {
     "better-sqlite3": "9.6.0",
-    "msnodesqlv8": "^4.2.1"
+    "msnodesqlv8": "^4.2.1",
+    "oracledb": "^6.6.0"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index 39c1e310e..f9f11f2f1 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -52,7 +52,6 @@
     "ncp": "^2.0.0",
     "node-cron": "^2.0.3",
     "on-finished": "^2.4.1",
-    "oracledb": "^6.6.0",
     "pinomin": "^1.0.4",
     "portfinder": "^1.0.28",
     "rimraf": "^3.0.0",
@@ -85,6 +84,7 @@
   },
   "optionalDependencies": {
     "better-sqlite3": "9.6.0",
-    "msnodesqlv8": "^4.2.1"
+    "msnodesqlv8": "^4.2.1",
+    "oracledb": "^6.6.0"
   }
 }
diff --git a/plugins/dbgate-plugin-oracle/src/backend/driver.js b/plugins/dbgate-plugin-oracle/src/backend/driver.js
index 1444f071a..1b084c83b 100644
--- a/plugins/dbgate-plugin-oracle/src/backend/driver.js
+++ b/plugins/dbgate-plugin-oracle/src/backend/driver.js
@@ -68,7 +68,7 @@ const driver = {
   }) {
     const oracledb = getOracledb();
     if (authType == 'thick' && !oracleClientInitialized) {
-      oracledb.initOracleClient({ libDir: clientLibraryPath });
+      oracledb.initOracleClient({ libDir: clientLibraryPath || process.env.ORACLE_INSTANT_CLIENT });
       oracleClientInitialized = true;
     }
     client = await oracledb.getConnection({