diff --git a/img/cogechee.png b/img/cogechee.png
index 5aa2894..3d28f97 100644
Binary files a/img/cogechee.png and b/img/cogechee.png differ
diff --git a/img/kitty.png b/img/kitty.png
new file mode 100644
index 0000000..1d319e5
Binary files /dev/null and b/img/kitty.png differ
diff --git a/img/scratch_cat.png b/img/scratch_cat.png
deleted file mode 100644
index 421361f..0000000
Binary files a/img/scratch_cat.png and /dev/null differ
diff --git a/img/scratchcat.png b/img/scratchcat.png
new file mode 100644
index 0000000..4dc5a84
Binary files /dev/null and b/img/scratchcat.png differ
diff --git a/index.js b/index.js
index 1445cc3..5cf8ac2 100644
--- a/index.js
+++ b/index.js
@@ -79,6 +79,14 @@ app.on('ready', () => {
           },
           accelerator: "F5"
         },
+        {
+          label: 'Mascot',
+          click: (item, focusedWindow) => {
+            if (focusedWindow)
+            focusedWindow.webContents.executeJavaScript('ugj_selectMascot()');
+          },
+          accelerator: "CommandOrControl+M"
+        },
         {
           label: 'About',
           click: () => {
diff --git a/package-lock.json b/package-lock.json
index 2b18c00..41ac2db 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,6 +45,136 @@
         "defer-to-connect": "^1.0.1"
       }
     },
+    "@tensorflow/tfjs": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs/-/tfjs-3.0.0.tgz",
+      "integrity": "sha512-8u4BGKhxJ+SHg6pWEwBqIM8Z4hdXmy3Lts8xilC1uMALoVfIActp3icUufZL5PfoXe+v7OsQe3CqC+8qTNLYoA==",
+      "requires": {
+        "@tensorflow/tfjs-backend-cpu": "3.0.0",
+        "@tensorflow/tfjs-backend-webgl": "3.0.0",
+        "@tensorflow/tfjs-converter": "3.0.0",
+        "@tensorflow/tfjs-core": "3.0.0",
+        "@tensorflow/tfjs-data": "3.0.0",
+        "@tensorflow/tfjs-layers": "3.0.0",
+        "argparse": "^1.0.10",
+        "chalk": "^4.1.0",
+        "core-js": "3",
+        "regenerator-runtime": "^0.13.5",
+        "yargs": "^16.0.3"
+      }
+    },
+    "@tensorflow/tfjs-backend-cpu": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-backend-cpu/-/tfjs-backend-cpu-3.0.0.tgz",
+      "integrity": "sha512-W7IX+xga007cYiFmq+QpEuDCy8SK+fsiVwawfjMFN+Dfs2FFi7JW6cHCLun/SQ5WC7dTWOhJVTwCaSBWQz6bjw==",
+      "requires": {
+        "@types/seedrandom": "2.4.27",
+        "seedrandom": "2.4.3"
+      }
+    },
+    "@tensorflow/tfjs-backend-webgl": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-backend-webgl/-/tfjs-backend-webgl-3.0.0.tgz",
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+      "requires": {
+        "@tensorflow/tfjs-backend-cpu": "3.0.0",
+        "@types/offscreencanvas": "~2019.3.0",
+        "@types/seedrandom": "2.4.27",
+        "@types/webgl-ext": "0.0.30",
+        "@types/webgl2": "0.0.5",
+        "seedrandom": "2.4.3"
+      }
+    },
+    "@tensorflow/tfjs-converter": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-converter/-/tfjs-converter-3.0.0.tgz",
+      "integrity": "sha512-3Mw7gLQiG65rap8EHKaoPxaWkwjz1hH8EbsDAaatW/ez5bWFY576hdmn/dXN56XOfdvNMDJjTgXTiU6VApH6Sg=="
+    },
+    "@tensorflow/tfjs-core": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-core/-/tfjs-core-3.0.0.tgz",
+      "integrity": "sha512-bqE6q8afvXtTa21T27+/YIqwj0wvoH3leeAl8ciNvGuOVmYA69hIaDfwthSA8WsvqR0BQDK+8qDxR/BEUtmj7g==",
+      "requires": {
+        "@types/offscreencanvas": "~2019.3.0",
+        "@types/seedrandom": "2.4.27",
+        "@types/webgl-ext": "0.0.30",
+        "node-fetch": "~2.6.1",
+        "seedrandom": "2.4.3"
+      }
+    },
+    "@tensorflow/tfjs-data": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-data/-/tfjs-data-3.0.0.tgz",
+      "integrity": "sha512-pZjs8Z+7vD6Y0wnEIUP6qca4+db4C6v1lsV0QAgSqbnfOMz2QxQNorKxTqbrNP1mYkpqfxqR/5mLe+tD7gy36w==",
+      "requires": {
+        "@types/node-fetch": "^2.1.2",
+        "node-fetch": "~2.6.1"
+      }
+    },
+    "@tensorflow/tfjs-layers": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-layers/-/tfjs-layers-3.0.0.tgz",
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+    },
+    "@tensorflow/tfjs-node": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@tensorflow/tfjs-node/-/tfjs-node-3.0.0.tgz",
+      "integrity": "sha512-eeZIst3uZZ3iYj/8YiCE6nZUSNP9ISgQ9Y3BgrWp3EnySvuZv03F+XWSZ/8mNjyq4S0pBzbt08u5dY7jBRP5Tg==",
+      "requires": {
+        "@tensorflow/tfjs": "3.0.0",
+        "@tensorflow/tfjs-core": "3.0.0",
+        "adm-zip": "^0.4.11",
+        "google-protobuf": "^3.9.2",
+        "https-proxy-agent": "^2.2.1",
+        "node-pre-gyp": "0.14.0",
+        "progress": "^2.0.0",
+        "rimraf": "^2.6.2",
+        "tar": "^4.4.6"
+      },
+      "dependencies": {
+        "node-pre-gyp": {
+          "version": "0.14.0",
+          "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.14.0.tgz",
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+          "requires": {
+            "detect-libc": "^1.0.2",
+            "mkdirp": "^0.5.1",
+            "needle": "^2.2.1",
+            "nopt": "^4.0.1",
+            "npm-packlist": "^1.1.6",
+            "npmlog": "^4.0.2",
+            "rc": "^1.2.7",
+            "rimraf": "^2.6.1",
+            "semver": "^5.3.0",
+            "tar": "^4.4.2"
+          }
+        },
+        "semver": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
+        },
+        "tar": {
+          "version": "4.4.13",
+          "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.13.tgz",
+          "integrity": "sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==",
+          "requires": {
+            "chownr": "^1.1.1",
+            "fs-minipass": "^1.2.5",
+            "minipass": "^2.8.6",
+            "minizlib": "^1.2.1",
+            "mkdirp": "^0.5.0",
+            "safe-buffer": "^5.1.2",
+            "yallist": "^3.0.3"
+          }
+        },
+        "yallist": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+        }
+      }
+    },
     "@types/cacheable-request": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/@types/cacheable-request/-/cacheable-request-6.0.1.tgz",
@@ -75,8 +205,33 @@
     "@types/node": {
       "version": "12.19.16",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-12.19.16.tgz",
-      "integrity": "sha512-7xHmXm/QJ7cbK2laF+YYD7gb5MggHIIQwqyjin3bpEGiSuvScMQ5JZZXPvRipi1MwckTQbJZROMns/JxdnIL1Q==",
-      "dev": true
+      "integrity": "sha512-7xHmXm/QJ7cbK2laF+YYD7gb5MggHIIQwqyjin3bpEGiSuvScMQ5JZZXPvRipi1MwckTQbJZROMns/JxdnIL1Q=="
+    },
+    "@types/node-fetch": {
+      "version": "2.5.8",
+      "resolved": "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.5.8.tgz",
+      "integrity": "sha512-fbjI6ja0N5ZA8TV53RUqzsKNkl9fv8Oj3T7zxW7FGv1GSH7gwJaNF8dzCjrqKaxKeUpTz4yT1DaJFq/omNpGfw==",
+      "requires": {
+        "@types/node": "*",
+        "form-data": "^3.0.0"
+      },
+      "dependencies": {
+        "form-data": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/form-data/-/form-data-3.0.0.tgz",
+          "integrity": "sha512-CKMFDglpbMi6PyN+brwB9Q/GOw0eAnsrEZDgcsH5Krhz5Od/haKHAX0NmQfha2zPPz0JpWzA7GJHGSnvCRLWsg==",
+          "requires": {
+            "asynckit": "^0.4.0",
+            "combined-stream": "^1.0.8",
+            "mime-types": "^2.1.12"
+          }
+        }
+      }
+    },
+    "@types/offscreencanvas": {
+      "version": "2019.3.0",
+      "resolved": "https://registry.npmjs.org/@types/offscreencanvas/-/offscreencanvas-2019.3.0.tgz",
+      "integrity": "sha512-esIJx9bQg+QYF0ra8GnvfianIY8qWB0GBx54PK5Eps6m+xTj86KLavHv6qDhzKcu5UUOgNfJ2pWaIIV7TRUd9Q=="
     },
     "@types/responselike": {
       "version": "1.0.0",
@@ -87,11 +242,38 @@
         "@types/node": "*"
       }
     },
+    "@types/seedrandom": {
+      "version": "2.4.27",
+      "resolved": "https://registry.npmjs.org/@types/seedrandom/-/seedrandom-2.4.27.tgz",
+      "integrity": "sha1-nbVjk33YaRX2kJK8QyWdL0hXjkE="
+    },
+    "@types/webgl-ext": {
+      "version": "0.0.30",
+      "resolved": "https://registry.npmjs.org/@types/webgl-ext/-/webgl-ext-0.0.30.tgz",
+      "integrity": "sha512-LKVgNmBxN0BbljJrVUwkxwRYqzsAEPcZOe6S2T6ZaBDIrFp0qu4FNlpc5sM1tGbXUYFgdVQIoeLk1Y1UoblyEg=="
+    },
+    "@types/webgl2": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/@types/webgl2/-/webgl2-0.0.5.tgz",
+      "integrity": "sha512-oGaKsBbxQOY5+aJFV3KECDhGaXt+yZJt2y/OZsnQGLRkH6Fvr7rv4pCt3SRH1somIHfej/c4u7NSpCyd9x+1Ow=="
+    },
     "abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
-      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
-      "dev": true
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+    },
+    "adm-zip": {
+      "version": "0.4.16",
+      "resolved": "https://registry.npmjs.org/adm-zip/-/adm-zip-0.4.16.tgz",
+      "integrity": "sha512-TFi4HBKSGfIKsK5YCkKaaFG2m4PEDyViZmEwof3MTIgzimHLto6muaHVpbrljdIvIrFZzEq/p4nafOeLcYegrg=="
+    },
+    "agent-base": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.3.0.tgz",
+      "integrity": "sha512-salcGninV0nPrwpGNn4VTXBb1SOuXQBiqbrNXoeizJsHrsL6ERFM2Ne3JUSBWRE6aeNJI2ROP/WEEIDUiDe3cg==",
+      "requires": {
+        "es6-promisify": "^5.0.0"
+      }
     },
     "ajv": {
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@@ -108,14 +290,12 @@
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-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-      "dev": true
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
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     "ansi-styles": {
       "version": "4.3.0",
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@@ -123,19 +303,32 @@
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-      "dev": true
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
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-      "dev": true,
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         "delegates": "^1.0.0",
         "readable-stream": "^2.0.6"
       }
     },
+    "argparse": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "requires": {
+        "sprintf-js": "~1.0.2"
+      },
+      "dependencies": {
+        "sprintf-js": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+          "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
+        }
+      }
+    },
     "asn1": {
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       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
@@ -154,8 +347,7 @@
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-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-      "dev": true
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
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@@ -186,8 +378,7 @@
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-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
-      "dev": true
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
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@@ -332,8 +521,7 @@
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@@ -364,20 +551,17 @@
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@@ -388,7 +572,6 @@
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           "version": "6.0.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.0.tgz",
           "integrity": "sha512-AuvKTrTfQNYNIctbR1K/YGTR1756GycPsg7b9bdV9Duqur4gv6aKqHXah67Z8ImS7WEz5QVcOtlfW2rZEugt6w==",
-          "dev": true,
           "requires": {
             "ansi-regex": "^5.0.0"
           }
@@ -2303,14 +2502,12 @@
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "y18n": {
       "version": "5.0.5",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.5.tgz",
-      "integrity": "sha512-hsRUr4FFrvhhRH12wOdfs38Gy7k2FFzB9qgN9v3aLykRq0dRcdcpz5C9FxdS2NuhOrI/628b/KSTJ3rwHysYSg==",
-      "dev": true
+      "integrity": "sha512-hsRUr4FFrvhhRH12wOdfs38Gy7k2FFzB9qgN9v3aLykRq0dRcdcpz5C9FxdS2NuhOrI/628b/KSTJ3rwHysYSg=="
     },
     "yallist": {
       "version": "4.0.0",
@@ -2322,7 +2519,6 @@
       "version": "16.2.0",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-16.2.0.tgz",
       "integrity": "sha512-D1mvvtDG0L5ft/jGWkLpG1+m0eQxOfaBvTNELraWj22wSVUMWxZUvYgJYcKh6jGGIkJFhH4IZPQhR4TKpc8mBw==",
-      "dev": true,
       "requires": {
         "cliui": "^7.0.2",
         "escalade": "^3.1.1",
@@ -2336,20 +2532,17 @@
         "ansi-regex": {
           "version": "5.0.0",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz",
-          "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==",
-          "dev": true
+          "integrity": "sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg=="
         },
         "is-fullwidth-code-point": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
-          "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
-          "dev": true
+          "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg=="
         },
         "string-width": {
           "version": "4.2.0",
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.0.tgz",
           "integrity": "sha512-zUz5JD+tgqtuDjMhwIg5uFVV3dtqZ9yQJlZVfq4I01/K5Paj5UHj7VyrQOJvzawSVlKpObApbfD0Ed6yJc+1eg==",
-          "dev": true,
           "requires": {
             "emoji-regex": "^8.0.0",
             "is-fullwidth-code-point": "^3.0.0",
@@ -2360,7 +2553,6 @@
           "version": "6.0.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.0.tgz",
           "integrity": "sha512-AuvKTrTfQNYNIctbR1K/YGTR1756GycPsg7b9bdV9Duqur4gv6aKqHXah67Z8ImS7WEz5QVcOtlfW2rZEugt6w==",
-          "dev": true,
           "requires": {
             "ansi-regex": "^5.0.0"
           }
@@ -2370,8 +2562,7 @@
     "yargs-parser": {
       "version": "20.2.4",
       "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.4.tgz",
-      "integrity": "sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA==",
-      "dev": true
+      "integrity": "sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA=="
     },
     "yauzl": {
       "version": "2.10.0",
diff --git a/package.json b/package.json
index 6d646d9..c011f1b 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,9 @@
     "electron-rebuild": "^2.3.4"
   },
   "dependencies": {
+    "@tensorflow/tfjs-node": "^3.0.0",
     "axios": "^0.21.1",
+    "face-api.js": "^0.22.2",
     "nodemailer": "^6.4.17",
     "ocoge_pigpiod": "file:local_modules/ocoge_pigpiod"
   }
diff --git a/scripts/eleclib.js b/scripts/eleclib.js
index ad2b9a2..abfd9df 100644
--- a/scripts/eleclib.js
+++ b/scripts/eleclib.js
@@ -6,6 +6,7 @@
 // Hard Coding!!!
 const appName = 'ocoge';
 const defpath = '/home/pi/Documents/ocoge/';
+const mascotDefPath = '/home/pi/Applications/ocoge/img/';
 // Require
 const fs = require('fs');
 const path = require("path");
@@ -17,6 +18,7 @@ const clipboard = require('electron').clipboard;
 
 var saveFilepath = null;
 var wsChanged = false;
+var mascotFilePath = './img/cogechee.png';
 
 // 0で数値の桁合わせ
 // NUM=値 LEN=桁数
@@ -72,7 +74,7 @@ exports.newFile = () => setSaveFilepath(null);
 
 // ワークスペースファイル読み込みの一連の動作のラッパ
 exports.loadWsFile = () => {
-    let filepath = openFile('xml');
+    let filepath = openFile('xml', defpath);
     if (filepath.length > 0) {
         if (saveFilepath === null) {
             setSaveFilepath(filepath);
@@ -84,27 +86,32 @@ exports.loadWsFile = () => {
 }
 // その他ファイル読み込みの一連の動作のラッパ
 exports.loadFile = ext => {
-    let filepath = openFile(ext);
+    let filepath = openFile(ext, defpath);
     if (filepath.length > 0) {
         return readFromFile(filepath);
     } else {
         return '';
     }
 }
+exports.selectMascotFile = () => {
+    return openFile('png', mascotDefPath);
+}
 // オープンファイルダイアログ
-const openFile = ext => {
+const openFile = (ext, dpath) => {
     let filter;
     if (ext == 'xml') {
-        filter = { name: 'xml file', extensions: ['xml'] };
+        filter = { name: 'XML - Extensible Markup Language', extensions: ['xml'] };
     } else if (ext == 'js') {
-        filter = { name: 'javascript file', extensions: ['js'] };
+        filter = { name: 'JS - JavaScript', extensions: ['js'] };
+    } else if (ext == 'png') {
+        filter = { name: 'PNG - Portable Network Graphics', extensions: ['png'] };
     } else {
         filter = { name: 'text file', extensions: ['txt'] };
     }
     let filepaths = dialog.showOpenDialogSync(mainWin, {
         properties: ['openFile'],
         title: 'Select a file',
-        defaultPath: defpath,
+        defaultPath: dpath,
         filters: [
             filter
         ]
@@ -207,7 +214,7 @@ exports.killAllChildren = () => {
 exports.savePrefsToLS = () => {
     let wc = '0';
     if (wsChanged) wc = '1';
-    let o = { 'saveFilepath': saveFilepath, 'wsChanged': wc };
+    let o = { 'saveFilepath': saveFilepath, 'wsChanged': wc, 'mascotFilePath': mascotFilePath };
     let s = JSON.stringify(o);
     localStorage.setItem("abrage.json", s);
 }
@@ -219,8 +226,13 @@ exports.loadPrefsFromLS = () => {
     setSaveFilepath(o.saveFilepath);
     if (o.wsChanged == '0') this.setWsChanged(false);
     else this.setWsChanged(true);
+    if (o.mascotFilePath) this.setMascotFilePath(o.mascotFilePath);
 }
 
+// マスコット画像パスをプロパティにセット
+exports.setMascotFilePath = fpath => mascotFilePath = fpath;
+exports.getMascotFilePath = () => mascotFilePath;
+
 
 // ファイル名にアプリケーションのドキュメントルートまでのパスをつけて返す
 exports.getDocPath = filename => {
diff --git a/scripts/ugj_script.js b/scripts/ugj_script.js
index cd158f9..fd2d4c5 100644
--- a/scripts/ugj_script.js
+++ b/scripts/ugj_script.js
@@ -110,18 +110,31 @@ Blockly.registry.register(
 //============ User Customize End ===============
 
 
-//canvasの準備
-const ugj_canvasBgImg = imgSrc => {
+//背景canvasの準備
+const ugj_canvasBgImg = (imgSrc, x, y) => { //x,y == -1: center or middle
     let el = document.getElementById('canvas_bg');
     let ctx = el.getContext('2d');
+    ctx.fillStyle = 'rgb(255,255,255)';
+    ctx.fillRect(0,0,480,360);
     let img = new Image();
     img.src = imgSrc;
-    // img.onload = () => ctx.drawImage(img, 140, 80); // ミミィ
-    img.onload = () => ctx.drawImage(img, 140, 0); // こげちー
+    img.onload = () => {
+        if (x<0) { //センタリング
+            let w = img.width;
+            if (w>=480) x=0;
+            else x = Math.floor((480 - w) / 2);
+        }
+        if (y<0) { //縦中寄せ
+            let h = img.height;
+            if (h>=360) y=0;
+            else y = Math.floor((360 - h) /2);
+        }
+        ctx.drawImage(img, x, y);
+    }
 };
 // マスコット
 // ugj_canvasBgImg("./img/mimmy.png?" + new Date().getTime()); // ミミィ
-ugj_canvasBgImg("./img/cogechee.png?" + new Date().getTime()); // こげちー
+// ugj_canvasBgImg("./img/cogechee.png?" + new Date().getTime(), -1,-1); // こげちー
 
 // HTML部品のインスタンス - 画面上の必要な部品はすべてここで取得しておく
 ugjel_displayArea = document.getElementById('display_area'); // ディスプレイ部
@@ -142,6 +155,15 @@ ugj_sounds = (names => { // サウンドファイルのいろいろの配列の
 
 // メソッド
 
+// マスコット選択
+const ugj_selectMascot = () => {
+    let fname = elec.selectMascotFile();
+    if (fname) {
+        ugj_canvasBgImg(fname, -1, -1);
+        elec.setMascotFilePath(fname);
+    }
+}
+
 // サウンド再生 - 連続再生のため、再生開始後すぐにオーディオ要素を再生成する
 const ugj_soundPlay = soundName => {
     ugj_sounds[soundName]['audio'].play();
@@ -421,7 +443,7 @@ var workspace = Blockly.inject(blocklyDiv,
         grid: {
             spacing: 20,
             length: 1,
-            colour: '#fff',//888
+            colour: '#888',//888
             snap: true
         },
         zoom: { startScale: 1.0, controls: true },
@@ -484,6 +506,8 @@ window.onload = () => {
     setTimeout(() => { // 環境設定のロードが終わってからイベントリスナを作成
         workspace.addChangeListener(ugj_wsUpdateCB);
     }, 100);
+    // 背景canvas
+    ugj_canvasBgImg(elec.getMascotFilePath(), -1,-1);
 }
 window.onbeforeunload = () => {
     ugj_saveWorkspace();