diff --git a/src/connector/nodejs/nodetaos/cinterface.js b/src/connector/nodejs/nodetaos/cinterface.js
index a246256f15f313b61c0b7e990e63848fee2431bf..43a08a800afe7aa3e445a943f8d7a7f95f1ed05f 100644
--- a/src/connector/nodejs/nodetaos/cinterface.js
+++ b/src/connector/nodejs/nodetaos/cinterface.js
@@ -3,15 +3,15 @@
  * @module CTaosInterface
  */
 
-const ref = require('ref');
+const ref = require('ref-napi');
 const os = require('os');
-const ffi = require('ffi');
-const ArrayType = require('ref-array');
-const Struct = require('ref-struct');
+const ffi = require('ffi-napi');
+const ArrayType = require('ref-array-napi');
+const Struct = require('ref-struct-napi');
 const FieldTypes = require('./constants');
 const errors = require ('./error');
 const TaosObjects = require('./taosobjects');
-const { NULL_POINTER } = require('ref');
+const { NULL_POINTER } = require('ref-napi');
 
 module.exports = CTaosInterface;
 
diff --git a/src/connector/nodejs/nodetaos/cursor.js b/src/connector/nodejs/nodetaos/cursor.js
index 0c9214fe32656fdfb7edb6cfc0d0c3587d4f7bb6..e18e6c2500019684dea85fe05bc7306e0a372478 100644
--- a/src/connector/nodejs/nodetaos/cursor.js
+++ b/src/connector/nodejs/nodetaos/cursor.js
@@ -1,4 +1,4 @@
-const ref = require('ref');
+const ref = require('ref-napi');
 require('./globalfunc.js')
 const CTaosInterface = require('./cinterface')
 const errors = require ('./error')
diff --git a/src/connector/nodejs/package-lock.json b/src/connector/nodejs/package-lock.json
index d13fe6959c07955f5b15c7281f571ab932a996c3..9ca174ccd12f782b047789e44a6abce231b15ad0 100644
--- a/src/connector/nodejs/package-lock.json
+++ b/src/connector/nodejs/package-lock.json
@@ -1,44 +1,9 @@
 {
   "name": "td2.0-connector",
-  "version": "2.0.1",
+  "version": "2.0.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "abbrev": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
-      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
-    },
-    "ajv": {
-      "version": "6.10.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
-      "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
-      "requires": {
-        "fast-deep-equal": "^2.0.1",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.4.1",
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-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
-    },
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-      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
-      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
-    },
-    "are-we-there-yet": {
-      "version": "1.1.5",
-      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
-      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
-      "requires": {
-        "delegates": "^1.0.0",
-        "readable-stream": "^2.0.6"
-      }
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     "array-index": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/array-index/-/array-index-1.0.0.tgz",
@@ -46,104 +11,23 @@
       "requires": {
         "debug": "^2.2.0",
         "es6-symbol": "^3.0.2"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        }
       }
     },
-    "asn1": {
-      "version": "0.2.4",
-      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
-      "requires": {
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-      }
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-    "assert-plus": {
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-      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
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-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
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-      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
-      "requires": {
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-      }
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-    "concat-map": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
-    },
-    "console-control-strings": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
-      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
-    },
-    "core-util-is": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
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     "d": {
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       "resolved": "https://registry.npmjs.org/d/-/d-1.0.1.tgz",
@@ -153,54 +37,22 @@
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-      }
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-      "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
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       }
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-      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.50.tgz",
-      "integrity": "sha512-KMzZTPBkeQV/JcSQhI5/z6d9VWJ3EnQ194USTUwIYZ2ZbpN8+SGXQKt1h68EX44+qt+Fzr8DO17vnxrw7c3agw==",
+      "version": "0.10.53",
+      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.53.tgz",
+      "integrity": "sha512-Xs2Stw6NiNHWypzRTY1MtaG/uJlwCk8kH81920ma8mvN8Xq1gsfhZvpkImLQArw8AHnv8MT2I45J3c0R8slE+Q==",
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-        "next-tick": "^1.0.0"
+        "es6-symbol": "~3.1.3",
+        "next-tick": "~1.0.0"
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@@ -214,631 +66,220 @@
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       "requires": {
-        "d": "1",
-        "es5-ext": "~0.10.14"
+        "d": "^1.0.1",
+        "ext": "^1.1.2"
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diff --git a/src/connector/nodejs/package.json b/src/connector/nodejs/package.json
index 5587a69e01e6743a7eb7ef234d111c86db246841..b39ce2c17d8e693d0e981885aed55ba1b82313b6 100644
--- a/src/connector/nodejs/package.json
+++ b/src/connector/nodejs/package.json
@@ -1,31 +1,34 @@
 {
   "name": "td2.0-connector",
-  "version": "2.0.5",
+  "version": "2.0.6",
   "description": "A Node.js connector for TDengine.",
   "main": "tdengine.js",
+  "directories": {
+    "test": "test"
+  },
   "scripts": {
     "test": "node test/test.js"
   },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/taosdata/tdengine.git"
+  },
   "keywords": [
     "TDengine",
     "TAOS Data",
     "Time Series Database",
     "Connector"
   ],
-  "author": "StoneT2000",
-  "license": "AGPL-3.0",
-  "dependencies": {
-    "ffi": "^2.3.0",
-    "node-gyp": "^5.0.2",
-    "ref": "^1.3.5",
-    "ref-array": "^1.2.0"
-  },
-  "homepage": "https://github.com/taosdata/tdengine",
+  "author": "TaosData Inc.",
+  "license": "AGPL-3.0-or-later",
   "bugs": {
     "url": "https://github.com/taosdata/tdengine/issues"
   },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/taosdata/tdengine.git"
+  "homepage": "https://github.com/taosdata/tdengine#readme",
+  "dependencies": {
+    "ffi-napi": "^3.1.0",
+    "ref-array-napi": "^1.2.1",
+    "ref-napi": "^1.5.2",
+    "ref-struct-napi": "^1.1.1"
   }
 }
diff --git a/tests/examples/nodejs/nodejsChecker.js b/tests/examples/nodejs/nodejsChecker.js
index f838d5cc8465dba70b5372a5d7720a8cff69544a..e634a54ea1c56310bae7d38188590a0d7862f953 100644
--- a/tests/examples/nodejs/nodejsChecker.js
+++ b/tests/examples/nodejs/nodejsChecker.js
@@ -1,4 +1,5 @@
 const taos = require('td2.0-connector');
+//const taos = require('../../../src/connector/nodejs/');
 
 
 var host = null;