要安装 ngx-mqtt， postinstall.js中，会修改webpack配置 node.global=true

portal/package-lock.json

@@ -7997,6 +7997,22 @@
         "tslib": "^2.0.0"
       }
     },
+    "ngx-mqtt": {
+      "version": "7.0.14",
+      "resolved": "https://registry.npm.taobao.org/ngx-mqtt/download/ngx-mqtt-7.0.14.tgz",
+      "integrity": "sha1-NQZba7cBU6GKkvUODbIIV2w4jqE=",
+      "requires": {
+        "mqtt": "4.2.1",
+        "tslib": "^1.10.0"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "1.13.0",
+          "resolved": "https://registry.npm.taobao.org/tslib/download/tslib-1.13.0.tgz?cache=0&sync_timestamp=1597635986339&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ftslib%2Fdownload%2Ftslib-1.13.0.tgz",
+          "integrity": "sha1-yIHhPMcBWJTtkUhi0nZDb6mkcEM="
+        }
+      }
+    },
     "nice-try": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",

portal/package.json

@@ -23,6 +23,7 @@
     "mqtt": "^4.2.1",
     "ng-zorro-antd": "^9.3.0",
     "ngx-moment": "^5.0.0",
+    "ngx-mqtt": "^7.0.14",
     "rxjs": "~6.5.5",
     "tslib": "^2.0.0",
     "zone.js": "~0.10.3"