diff --git a/Cy.WeChat.Browser/wwwroot/lib/signalr/package-lock.json b/Cy.WeChat.Browser/wwwroot/lib/signalr/package-lock.json
index bfa6a8b..01c71b2 100644
--- a/Cy.WeChat.Browser/wwwroot/lib/signalr/package-lock.json
+++ b/Cy.WeChat.Browser/wwwroot/lib/signalr/package-lock.json
@@ -153,12 +153,9 @@
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-      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.0.7.tgz",
-      "integrity": "sha512-4Ln17+vVT0k8aWq+t/bF5arcS3EpT9gYtW66EPacdj/mAFevznsnyoHLPy2BA8gbIQeIHoPsvwmfBftfcG//BQ==",
-      "requires": {
-        "original": "^1.0.0"
-      }
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-2.0.2.tgz",
+      "integrity": "sha512-IzUmBGPR3+oUG9dUeXynyNmf91/3zUSJg1lCktzKw47OXuhco54U3r9B7O4XX+Rb1Itm9OZ2b0RkTs10bICOxA=="
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@@ -286,14 +283,6 @@
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-    "original": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/original/-/original-1.0.2.tgz",
-      "integrity": "sha512-hyBVl6iqqUOJ8FqRe+l/gS8H+kKYjrEndd5Pm1MfBtsEKA038HkkdbAl/72EAXGyonD/PFsvmVG+EvcIpliMBg==",
-      "requires": {
-        "url-parse": "^1.4.3"
-      }
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@@ -314,11 +303,6 @@
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-    "querystringify": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.1.1.tgz",
-      "integrity": "sha512-w7fLxIRCRT7U8Qu53jQnJyPkYZIaR4n5151KMfcJlO/A9397Wxb1amJvROTK6TOnp7PfoAmg/qXiNHI+08jRfA=="
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       "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
@@ -346,11 +330,6 @@
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-      "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
-      "integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8="
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@@ -407,15 +386,6 @@
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-    "url-parse": {
-      "version": "1.5.3",
-      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.3.tgz",
-      "integrity": "sha512-IIORyIQD9rvj0A4CLWsHkBBJuNqWpFQe224b6j9t/ABmquIS0qDU2pY6kl6AuOrL5OkCXHMCFNe1jBcuAggjvQ==",
-      "requires": {
-        "querystringify": "^2.1.1",
-        "requires-port": "^1.0.0"
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diff --git a/Cy.WeChat.Browser/wwwroot/lib/signalr/package.json b/Cy.WeChat.Browser/wwwroot/lib/signalr/package.json
index 8426651..1982fb8 100644
--- a/Cy.WeChat.Browser/wwwroot/lib/signalr/package.json
+++ b/Cy.WeChat.Browser/wwwroot/lib/signalr/package.json
@@ -52,7 +52,7 @@
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   },
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-    "eventsource": "^1.0.7",
+    "eventsource": "^2.0.2",
     "request": "^2.88.0",
     "ws": "^7.4.6"
   }