diff --git a/package-lock.json b/package-lock.json
index 5e54762..0368889 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,93 @@
             "version": "0.0.1",
             "license": "MIT",
             "dependencies": {
-                "dotenv": "^16.0.2"
+                "dotenv": "^16.0.2",
+                "socket.io": "^4.5.2"
+            }
+        },
+        "node_modules/@socket.io/component-emitter": {
+            "version": "3.1.0",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/@socket.io%2fcomponent-emitter/-/component-emitter-3.1.0.tgz",
+            "integrity": "sha512-+9jVqKhRSpsc591z5vX+X5Yyw+he/HCB4iQ/RYxw35CEPaY1gnsNE43nf9n9AaYjAQrTiI/mOwKUKdUs9vf7Xg==",
+            "license": "MIT"
+        },
+        "node_modules/@types/cookie": {
+            "version": "0.4.1",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/@types%2fcookie/-/cookie-0.4.1.tgz",
+            "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q==",
+            "license": "MIT"
+        },
+        "node_modules/@types/cors": {
+            "version": "2.8.12",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/@types%2fcors/-/cors-2.8.12.tgz",
+            "integrity": "sha512-vt+kDhq/M2ayberEtJcIN/hxXy1Pk+59g2FV/ZQceeaTyCtCucjL2Q7FXlFjtWn4n15KCr1NE2lNNFhp0lEThw==",
+            "license": "MIT"
+        },
+        "node_modules/@types/node": {
+            "version": "18.7.15",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/@types%2fnode/-/node-18.7.15.tgz",
+            "integrity": "sha512-XnjpaI8Bgc3eBag2Aw4t2Uj/49lLBSStHWfqKvIuXD7FIrZyMLWp8KuAFHAqxMZYTF9l08N1ctUn9YNybZJVmQ==",
+            "license": "MIT"
+        },
+        "node_modules/accepts": {
+            "version": "1.3.8",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/accepts/-/accepts-1.3.8.tgz",
+            "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+            "license": "MIT",
+            "dependencies": {
+                "mime-types": "~2.1.34",
+                "negotiator": "0.6.3"
+            },
+            "engines": {
+                "node": ">= 0.6"
+            }
+        },
+        "node_modules/base64id": {
+            "version": "2.0.0",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/base64id/-/base64id-2.0.0.tgz",
+            "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==",
+            "license": "MIT",
+            "engines": {
+                "node": "^4.5.0 || >= 5.9"
+            }
+        },
+        "node_modules/cookie": {
+            "version": "0.4.2",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/cookie/-/cookie-0.4.2.tgz",
+            "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==",
+            "license": "MIT",
+            "engines": {
+                "node": ">= 0.6"
+            }
+        },
+        "node_modules/cors": {
+            "version": "2.8.5",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/cors/-/cors-2.8.5.tgz",
+            "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+            "license": "MIT",
+            "dependencies": {
+                "object-assign": "^4",
+                "vary": "^1"
+            },
+            "engines": {
+                "node": ">= 0.10"
+            }
+        },
+        "node_modules/debug": {
+            "version": "4.3.4",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/debug/-/debug-4.3.4.tgz",
+            "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+            "license": "MIT",
+            "dependencies": {
+                "ms": "2.1.2"
+            },
+            "engines": {
+                "node": ">=6.0"
+            },
+            "peerDependenciesMeta": {
+                "supports-color": {
+                    "optional": true
+                }
             }
         },
         "node_modules/dotenv": {
@@ -20,13 +106,298 @@
             "engines": {
                 "node": ">=12"
             }
+        },
+        "node_modules/engine.io": {
+            "version": "6.2.0",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/engine.io/-/engine.io-6.2.0.tgz",
+            "integrity": "sha512-4KzwW3F3bk+KlzSOY57fj/Jx6LyRQ1nbcyIadehl+AnXjKT7gDO0ORdRi/84ixvMKTym6ZKuxvbzN62HDDU1Lg==",
+            "license": "MIT",
+            "dependencies": {
+                "@types/cookie": "^0.4.1",
+                "@types/cors": "^2.8.12",
+                "@types/node": ">=10.0.0",
+                "accepts": "~1.3.4",
+                "base64id": "2.0.0",
+                "cookie": "~0.4.1",
+                "cors": "~2.8.5",
+                "debug": "~4.3.1",
+                "engine.io-parser": "~5.0.3",
+                "ws": "~8.2.3"
+            },
+            "engines": {
+                "node": ">=10.0.0"
+            }
+        },
+        "node_modules/engine.io-parser": {
+            "version": "5.0.4",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/engine.io-parser/-/engine.io-parser-5.0.4.tgz",
+            "integrity": "sha512-+nVFp+5z1E3HcToEnO7ZIj3g+3k9389DvWtvJZz0T6/eOCPIyyxehFcedoYrZQrp0LgQbD9pPXhpMBKMd5QURg==",
+            "license": "MIT",
+            "engines": {
+                "node": ">=10.0.0"
+            }
+        },
+        "node_modules/mime-db": {
+            "version": "1.52.0",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/mime-db/-/mime-db-1.52.0.tgz",
+            "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
+            "license": "MIT",
+            "engines": {
+                "node": ">= 0.6"
+            }
+        },
+        "node_modules/mime-types": {
+            "version": "2.1.35",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/mime-types/-/mime-types-2.1.35.tgz",
+            "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+            "license": "MIT",
+            "dependencies": {
+                "mime-db": "1.52.0"
+            },
+            "engines": {
+                "node": ">= 0.6"
+            }
+        },
+        "node_modules/ms": {
+            "version": "2.1.2",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/ms/-/ms-2.1.2.tgz",
+            "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+            "license": "MIT"
+        },
+        "node_modules/negotiator": {
+            "version": "0.6.3",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/negotiator/-/negotiator-0.6.3.tgz",
+            "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==",
+            "license": "MIT",
+            "engines": {
+                "node": ">= 0.6"
+            }
+        },
+        "node_modules/object-assign": {
+            "version": "4.1.1",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/object-assign/-/object-assign-4.1.1.tgz",
+            "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
+            "license": "MIT",
+            "engines": {
+                "node": ">=0.10.0"
+            }
+        },
+        "node_modules/socket.io": {
+            "version": "4.5.2",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/socket.io/-/socket.io-4.5.2.tgz",
+            "integrity": "sha512-6fCnk4ARMPZN448+SQcnn1u8OHUC72puJcNtSgg2xS34Cu7br1gQ09YKkO1PFfDn/wyUE9ZgMAwosJed003+NQ==",
+            "license": "MIT",
+            "dependencies": {
+                "accepts": "~1.3.4",
+                "base64id": "~2.0.0",
+                "debug": "~4.3.2",
+                "engine.io": "~6.2.0",
+                "socket.io-adapter": "~2.4.0",
+                "socket.io-parser": "~4.2.0"
+            },
+            "engines": {
+                "node": ">=10.0.0"
+            }
+        },
+        "node_modules/socket.io-adapter": {
+            "version": "2.4.0",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/socket.io-adapter/-/socket.io-adapter-2.4.0.tgz",
+            "integrity": "sha512-W4N+o69rkMEGVuk2D/cvca3uYsvGlMwsySWV447y99gUPghxq42BxqLNMndb+a1mm/5/7NeXVQS7RLa2XyXvYg==",
+            "license": "MIT"
+        },
+        "node_modules/socket.io-parser": {
+            "version": "4.2.1",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/socket.io-parser/-/socket.io-parser-4.2.1.tgz",
+            "integrity": "sha512-V4GrkLy+HeF1F/en3SpUaM+7XxYXpuMUWLGde1kSSh5nQMN4hLrbPIkD+otwh6q9R6NOQBN4AMaOZ2zVjui82g==",
+            "license": "MIT",
+            "dependencies": {
+                "@socket.io/component-emitter": "~3.1.0",
+                "debug": "~4.3.1"
+            },
+            "engines": {
+                "node": ">=10.0.0"
+            }
+        },
+        "node_modules/vary": {
+            "version": "1.1.2",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/vary/-/vary-1.1.2.tgz",
+            "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
+            "license": "MIT",
+            "engines": {
+                "node": ">= 0.8"
+            }
+        },
+        "node_modules/ws": {
+            "version": "8.2.3",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/ws/-/ws-8.2.3.tgz",
+            "integrity": "sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA==",
+            "license": "MIT",
+            "engines": {
+                "node": ">=10.0.0"
+            },
+            "peerDependencies": {
+                "bufferutil": "^4.0.1",
+                "utf-8-validate": "^5.0.2"
+            },
+            "peerDependenciesMeta": {
+                "bufferutil": {
+                    "optional": true
+                },
+                "utf-8-validate": {
+                    "optional": true
+                }
+            }
         }
     },
     "dependencies": {
+        "@socket.io/component-emitter": {
+            "version": "3.1.0",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/@socket.io%2fcomponent-emitter/-/component-emitter-3.1.0.tgz",
+            "integrity": "sha512-+9jVqKhRSpsc591z5vX+X5Yyw+he/HCB4iQ/RYxw35CEPaY1gnsNE43nf9n9AaYjAQrTiI/mOwKUKdUs9vf7Xg=="
+        },
+        "@types/cookie": {
+            "version": "0.4.1",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/@types%2fcookie/-/cookie-0.4.1.tgz",
+            "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q=="
+        },
+        "@types/cors": {
+            "version": "2.8.12",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/@types%2fcors/-/cors-2.8.12.tgz",
+            "integrity": "sha512-vt+kDhq/M2ayberEtJcIN/hxXy1Pk+59g2FV/ZQceeaTyCtCucjL2Q7FXlFjtWn4n15KCr1NE2lNNFhp0lEThw=="
+        },
+        "@types/node": {
+            "version": "18.7.15",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/@types%2fnode/-/node-18.7.15.tgz",
+            "integrity": "sha512-XnjpaI8Bgc3eBag2Aw4t2Uj/49lLBSStHWfqKvIuXD7FIrZyMLWp8KuAFHAqxMZYTF9l08N1ctUn9YNybZJVmQ=="
+        },
+        "accepts": {
+            "version": "1.3.8",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/accepts/-/accepts-1.3.8.tgz",
+            "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+            "requires": {
+                "mime-types": "~2.1.34",
+                "negotiator": "0.6.3"
+            }
+        },
+        "base64id": {
+            "version": "2.0.0",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/base64id/-/base64id-2.0.0.tgz",
+            "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog=="
+        },
+        "cookie": {
+            "version": "0.4.2",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/cookie/-/cookie-0.4.2.tgz",
+            "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA=="
+        },
+        "cors": {
+            "version": "2.8.5",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/cors/-/cors-2.8.5.tgz",
+            "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+            "requires": {
+                "object-assign": "^4",
+                "vary": "^1"
+            }
+        },
+        "debug": {
+            "version": "4.3.4",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/debug/-/debug-4.3.4.tgz",
+            "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+            "requires": {
+                "ms": "2.1.2"
+            }
+        },
         "dotenv": {
             "version": "16.0.2",
             "resolved": "https://mirrors.cloud.tencent.com/npm/dotenv/-/dotenv-16.0.2.tgz",
             "integrity": "sha512-JvpYKUmzQhYoIFgK2MOnF3bciIZoItIIoryihy0rIA+H4Jy0FmgyKYAHCTN98P5ybGSJcIFbh6QKeJdtZd1qhA=="
+        },
+        "engine.io": {
+            "version": "6.2.0",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/engine.io/-/engine.io-6.2.0.tgz",
+            "integrity": "sha512-4KzwW3F3bk+KlzSOY57fj/Jx6LyRQ1nbcyIadehl+AnXjKT7gDO0ORdRi/84ixvMKTym6ZKuxvbzN62HDDU1Lg==",
+            "requires": {
+                "@types/cookie": "^0.4.1",
+                "@types/cors": "^2.8.12",
+                "@types/node": ">=10.0.0",
+                "accepts": "~1.3.4",
+                "base64id": "2.0.0",
+                "cookie": "~0.4.1",
+                "cors": "~2.8.5",
+                "debug": "~4.3.1",
+                "engine.io-parser": "~5.0.3",
+                "ws": "~8.2.3"
+            }
+        },
+        "engine.io-parser": {
+            "version": "5.0.4",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/engine.io-parser/-/engine.io-parser-5.0.4.tgz",
+            "integrity": "sha512-+nVFp+5z1E3HcToEnO7ZIj3g+3k9389DvWtvJZz0T6/eOCPIyyxehFcedoYrZQrp0LgQbD9pPXhpMBKMd5QURg=="
+        },
+        "mime-db": {
+            "version": "1.52.0",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/mime-db/-/mime-db-1.52.0.tgz",
+            "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg=="
+        },
+        "mime-types": {
+            "version": "2.1.35",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/mime-types/-/mime-types-2.1.35.tgz",
+            "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+            "requires": {
+                "mime-db": "1.52.0"
+            }
+        },
+        "ms": {
+            "version": "2.1.2",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/ms/-/ms-2.1.2.tgz",
+            "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "negotiator": {
+            "version": "0.6.3",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/negotiator/-/negotiator-0.6.3.tgz",
+            "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg=="
+        },
+        "object-assign": {
+            "version": "4.1.1",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/object-assign/-/object-assign-4.1.1.tgz",
+            "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
+        },
+        "socket.io": {
+            "version": "4.5.2",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/socket.io/-/socket.io-4.5.2.tgz",
+            "integrity": "sha512-6fCnk4ARMPZN448+SQcnn1u8OHUC72puJcNtSgg2xS34Cu7br1gQ09YKkO1PFfDn/wyUE9ZgMAwosJed003+NQ==",
+            "requires": {
+                "accepts": "~1.3.4",
+                "base64id": "~2.0.0",
+                "debug": "~4.3.2",
+                "engine.io": "~6.2.0",
+                "socket.io-adapter": "~2.4.0",
+                "socket.io-parser": "~4.2.0"
+            }
+        },
+        "socket.io-adapter": {
+            "version": "2.4.0",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/socket.io-adapter/-/socket.io-adapter-2.4.0.tgz",
+            "integrity": "sha512-W4N+o69rkMEGVuk2D/cvca3uYsvGlMwsySWV447y99gUPghxq42BxqLNMndb+a1mm/5/7NeXVQS7RLa2XyXvYg=="
+        },
+        "socket.io-parser": {
+            "version": "4.2.1",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/socket.io-parser/-/socket.io-parser-4.2.1.tgz",
+            "integrity": "sha512-V4GrkLy+HeF1F/en3SpUaM+7XxYXpuMUWLGde1kSSh5nQMN4hLrbPIkD+otwh6q9R6NOQBN4AMaOZ2zVjui82g==",
+            "requires": {
+                "@socket.io/component-emitter": "~3.1.0",
+                "debug": "~4.3.1"
+            }
+        },
+        "vary": {
+            "version": "1.1.2",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/vary/-/vary-1.1.2.tgz",
+            "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+        },
+        "ws": {
+            "version": "8.2.3",
+            "resolved": "https://mirrors.cloud.tencent.com/npm/ws/-/ws-8.2.3.tgz",
+            "integrity": "sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA==",
+            "requires": {}
         }
     }
 }
diff --git a/package.json b/package.json
index 6766c44..34c1701 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,8 @@
     "main": "server.js",
     "scripts": {
         "test": "echo \"Error: no test specified\" && exit 1",
-        "start": "PORT=8000 pm2 start server.js --name 'RPi Status Server:8000' --watch"
+        "start": "PORT=8000 pm2 start server.js --name 'RPi Status Server:8000' --watch",
+        "dev": "nodemon server"
     },
     "repository": {
         "type": "git",
@@ -15,6 +16,7 @@
     "author": "Zhao Xin <7176466@qq.com>",
     "license": "MIT",
     "dependencies": {
-        "dotenv": "^16.0.2"
+        "dotenv": "^16.0.2",
+        "socket.io": "^4.5.2"
     }
 }
diff --git a/server.js b/server.js
index b25dbd9..c043540 100644
--- a/server.js
+++ b/server.js
@@ -4,40 +4,41 @@
 require('dotenv').config()
 const fs = require('fs')
 const http = require('http')
-const hostname = require('os').hostname()
 const exec = require('child_process').exec
+const port = process.env.PORT || 3000
+const hostname = process.env.hostname || 'localhost'
 const MEMINFO_FILE_PATH = '/proc/meminfo'
 const TEMPERATURE_FILE_PATH = '/sys/class/thermal/thermal_zone0/temp'
+const status = { hostname, cpu: { temperature: 0, load: 0 }, memory: { total: 0, available: 0 }, error: null }
+
 const server = http.createServer(function (request, response) {
     // 如无必要，允许来自任意域名的跨域请求，只需要 `Access-Control-Allow-Origin:*` 一条就行了
     response.setHeader('Access-Control-Allow-Origin', '*')
     // response.setHeader('Access-Control-Allow-Methods', 'HEAD,GET,POST,OPTIONS,PATCH,PUT,DELETE')
     // response.setHeader('Access-Control-Allow-Headers', 'Origin,X-Requested-With,Authorization,Content-Type,Accept,Z-Key')
     response.setHeader('Content-Type', 'application/json')
+    response.end(JSON.stringify(status))
+})
+server.listen(port, hostname, () => console.log(`rpi status http server is running at http://${hostname}:${port}`))
+
+const socketio = require('socket.io')
+const io = socketio(server, { cors: { origin: "*" } })
+setInterval(() => { update_status() }, 1000)
+function update_status() {
     try {
-        const temp_string = Number(fs.readFileSync(TEMPERATURE_FILE_PATH))
         const meminfo_string = String(fs.readFileSync(MEMINFO_FILE_PATH))
         const meminfo_total = meminfo_string.match(/MemTotal\:\s+(\d+) kB/)
         const meminfo_available = meminfo_string.match(/MemAvailable\:\s+(\d+) kB/)
-        const result = {
-            hostname,
-            cpu: {
-                temperature: temp_string / 1000,
-            },
-            memory: {
-                total: meminfo_total[1] / 1024,
-                available: meminfo_available[1] / 1024,
-            },
-        }
+        status.memory.total = Number(meminfo_total[1])
+        status.memory.available = Number(meminfo_available[1])
+        status.cpu.temperature = Number(fs.readFileSync(TEMPERATURE_FILE_PATH) / 1000)
         exec("cat /proc/stat |grep cpu |tail -1|awk '{print ($5*100)/($2+$3+$4+$5+$6+$7+$8+$9+$10)}'|awk '{print 100 - $1}'", (err, stdout, stderr) => {
-            result.cpu.load = Number((stdout / 100).toFixed(4))
-            response.end(JSON.stringify(result))
+            status.cpu.load = Number((stdout / 100).toFixed(6))
+            status.error = null
+            io.emit('status', status)
         })
     } catch (error) {
-        response.statusCode = 500
-        response.end(JSON.stringify({ error }))
+        status.error = error
+        io.emit('status', status)
     }
-})
-const port = process.env.PORT || 3000
-const host = process.env.HOST || 'localhost'
-server.listen(port, host, () => console.log(`rpi status http server is running at http://${host}:${port}`))
+}