diff --git a/examples/package-lock.json b/examples/package-lock.json
index 339f48d..b6a3840 100644
--- a/examples/package-lock.json
+++ b/examples/package-lock.json
@@ -1,76 +1,259 @@
 {
   "name": "ledap-example",
   "version": "0.0.8",
-  "lockfileVersion": 1,
+  "lockfileVersion": 3,
   "requires": true,
-  "dependencies": {
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+      "license": "ISC",
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       "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
     },
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+      "resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
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+      "resolved": "https://registry.npmjs.org/call-bound/-/call-bound-1.0.4.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
+        "get-intrinsic": "^1.3.0"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/colors": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
-      "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs="
+      "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs=",
+      "engines": {
+        "node": ">=0.1.90"
+      }
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-    "corser": {
+    "node_modules/corser": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/corser/-/corser-2.0.1.tgz",
-      "integrity": "sha1-jtolLsqrWEDc2XXOuQ2TcMgZ/4c="
+      "integrity": "sha1-jtolLsqrWEDc2XXOuQ2TcMgZ/4c=",
+      "engines": {
+        "node": ">= 0.4.0"
+      }
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-    "debug": {
+    "node_modules/debug": {
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       "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
       "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
-      "requires": {
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+      "dependencies": {
         "ms": "^2.1.1"
       }
     },
-    "ecstatic": {
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+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
+      "integrity": "sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.1",
+        "es-errors": "^1.3.0",
+        "gopd": "^1.2.0"
+      },
+      "engines": {
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-      "requires": {
+      "deprecated": "This package is unmaintained and deprecated. See the GH Issue 259.",
+      "dependencies": {
         "he": "^1.1.1",
         "mime": "^1.6.0",
         "minimist": "^1.1.0",
         "url-join": "^2.0.5"
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       }
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+      "license": "MIT",
+      "engines": {
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+      }
+    },
+    "node_modules/es-errors": {
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+      "license": "MIT",
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+      },
+      "engines": {
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     },
-    "follow-redirects": {
+    "node_modules/follow-redirects": {
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       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.7.0.tgz",
       "integrity": "sha512-m/pZQy4Gj287eNy94nivy5wchN3Kp+Q5WgUPNy5lJSZ3sgkVKSYV/ZChMAQVIgx1SqfZ2zBZtPA2YlXIWxxJOQ==",
-      "requires": {
+      "dependencies": {
         "debug": "^3.2.6"
+      },
+      "engines": {
+        "node": ">=4.0"
+      }
+    },
+    "node_modules/function-bind": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
+      "integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/get-intrinsic": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz",
+      "integrity": "sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
+        "es-define-property": "^1.0.1",
+        "es-errors": "^1.3.0",
+        "es-object-atoms": "^1.1.1",
+        "function-bind": "^1.1.2",
+        "get-proto": "^1.0.1",
+        "gopd": "^1.2.0",
+        "has-symbols": "^1.1.0",
+        "hasown": "^2.0.2",
+        "math-intrinsics": "^1.1.0"
+      },
+      "engines": {
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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+        "es-object-atoms": "^1.0.0"
+      },
+      "engines": {
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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+    "node_modules/has-symbols": {
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+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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+      "integrity": "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==",
+      "license": "MIT",
+      "dependencies": {
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
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       }
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       "resolved": "https://registry.npmjs.org/he/-/he-1.2.0.tgz",
-      "integrity": "sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw=="
+      "integrity": "sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==",
+      "bin": {
+        "he": "bin/he"
+      }
     },
-    "http-proxy": {
+    "node_modules/http-proxy": {
       "version": "1.17.0",
       "resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.17.0.tgz",
       "integrity": "sha512-Taqn+3nNvYRfJ3bGvKfBSRwy1v6eePlm3oc/aWVxZp57DQr5Eq3xhKJi7Z4hZpS8PC3H4qI+Yly5EmFacGuA/g==",
-      "requires": {
+      "dependencies": {
         "eventemitter3": "^3.0.0",
         "follow-redirects": "^1.0.0",
         "requires-port": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=4.0.0"
       }
     },
-    "http-server": {
-      "version": "0.11.1",
-      "resolved": "https://registry.npmjs.org/http-server/-/http-server-0.11.1.tgz",
-      "integrity": "sha512-6JeGDGoujJLmhjiRGlt8yK8Z9Kl0vnl/dQoQZlc4oeqaUoAKQg94NILLfrY3oWzSyFaQCVNTcKE5PZ3cH8VP9w==",
-      "requires": {
+    "node_modules/http-server": {
+      "version": "0.11.2",
+      "resolved": "https://registry.npmjs.org/http-server/-/http-server-0.11.2.tgz",
+      "integrity": "sha512-Gp1ka7W4MLjFz8CLhFmUWa+uIf7cq93O4DZv8X0ZmNS1L4P2dbMkmlBeYhb0hGaI3M0Y1xM4waWgnIf/5Hp7dQ==",
+      "license": "MIT",
+      "dependencies": {
         "colors": "1.0.3",
         "corser": "~2.0.0",
         "ecstatic": "^3.0.0",
@@ -78,112 +261,235 @@
         "opener": "~1.4.0",
         "optimist": "0.6.x",
         "portfinder": "^1.0.13",
-        "union": "~0.4.3"
+        "union": "^0.5.0"
+      },
+      "bin": {
+        "hs": "bin/http-server",
+        "http-server": "bin/http-server"
+      }
+    },
+    "node_modules/math-intrinsics": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
+      "integrity": "sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
       }
     },
-    "mime": {
+    "node_modules/mime": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
-      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg=="
+      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==",
+      "bin": {
+        "mime": "cli.js"
+      },
+      "engines": {
+        "node": ">=4"
+      }
     },
-    "minimist": {
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       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
       "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
     },
-    "mkdirp": {
+    "node_modules/mkdirp": {
       "version": "0.5.1",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
-      "requires": {
+      "deprecated": "Legacy versions of mkdirp are no longer supported. Please update to mkdirp 1.x. (Note that the API surface has changed to use Promises in 1.x.)",
+      "dependencies": {
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       },
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-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
-        }
+      "bin": {
+        "mkdirp": "bin/cmd.js"
       }
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-    "ms": {
+    "node_modules/mkdirp/node_modules/minimist": {
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+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
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-    "opener": {
+    "node_modules/object-inspect": {
+      "version": "1.13.4",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",
+      "integrity": "sha512-W67iLl4J2EXEGTbfeHCffrjDfitvLANg0UlX3wFUUSTx92KXRFegMHUVgSqE+wvhAbi4WqjGg9czysTV2Epbew==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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+        "side-channel-weakmap": "^1.0.2"
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+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
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       "integrity": "sha1-WvIvGMBSoACkjXuCxenC4v7tpyg="
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-    "wordwrap": {
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       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
+      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
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   }
 }
diff --git a/examples/package.json b/examples/package.json
index e62bcd5..616bff5 100644
--- a/examples/package.json
+++ b/examples/package.json
@@ -8,6 +8,6 @@
   "author": "lspbupt@sina.com",
   "license": "ISC",
   "dependencies": {
-    "http-server": "^0.11.1"
+    "http-server": "^0.11.2"
   }
 }