diff --git a/app.json b/app.json
index 8c86182..12af92c 100644
--- a/app.json
+++ b/app.json
@@ -4,7 +4,7 @@
     "slug": "jrshikoku",
     "privacy": "public",
     "platforms": ["ios", "android"],
-    "version": "4.4",
+    "version": "4.5",
     "orientation": "portrait",
     "icon": "./assets/icon.png",
     "splash": {
diff --git a/components/settings.js b/components/settings.js
index bcbe08d..197dbc4 100644
--- a/components/settings.js
+++ b/components/settings.js
@@ -102,7 +102,7 @@ export default function Setting(props) {
                 textAlignVertical: "center",
               }}
             >
-              内部バージョン: 4.4.2.8
+              内部バージョン: 4.5 beta-1
             </Text>
             <View style={{ flex: 1 }} />
           </View>
diff --git a/components/駅名表/Sign.js b/components/駅名表/Sign.js
index 20bcbbd..0e5a5c3 100644
--- a/components/駅名表/Sign.js
+++ b/components/駅名表/Sign.js
@@ -47,7 +47,7 @@ export default function Sign(props) {
     });
     console.log(isFavorite.length);
     setTestButtonStatus(isFavorite.length != 0);
-  }, [favoriteStation]);
+  }, [favoriteStation, currentStation]);
 
   useInterval(() => {
     if (currentStation.length == 1) {
diff --git a/eas.json b/eas.json
index 533961a..2ae0c41 100644
--- a/eas.json
+++ b/eas.json
@@ -15,6 +15,12 @@
     },
     "production": {
       "releaseChannel": "aliexpress"
+    },
+    "beta4.5": {
+      "releaseChannel": "base"
+    },
+    "production4.5": {
+      "releaseChannel": "buyma"
     }
   },
   "submit": {
diff --git a/package.json b/package.json
index 049a2e8..3215fb0 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
     "react-native-router-flux": "^4.3.1",
     "react-native-safe-area-context": "4.2.4",
     "react-native-screens": "~3.11.1",
+    "react-native-snap-carousel": "^3.9.1",
     "react-native-storage": "^1.0.1",
     "react-native-svg": "12.3.0",
     "react-native-svg-uri": "^1.2.3",
diff --git a/yarn.lock b/yarn.lock
index ed6de1b..7491092 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5167,6 +5167,19 @@ fbjs-css-vars@^1.0.0:
   resolved "https://registry.yarnpkg.com/fbjs-css-vars/-/fbjs-css-vars-1.0.2.tgz#216551136ae02fe255932c3ec8775f18e2c078b8"
   integrity sha512-b2XGFAFdWZWg0phtAWLHCk836A1Xann+I+Dgd3Gk64MHKZO44FfoD1KxyvbSh0qZsIoXQGGlVztIY+oitJPpRQ==
 
+fbjs@^0.8.4:
+  version "0.8.18"
+  resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.18.tgz#9835e0addb9aca2eff53295cd79ca1cfc7c9662a"
+  integrity sha512-EQaWFK+fEPSoibjNy8IxUtaFOMXcWsY0JaVrQoZR9zC8N2Ygf9iDITPWjUTVIax95b6I742JFLqASHfsag/vKA==
+  dependencies:
+    core-js "^1.0.0"
+    isomorphic-fetch "^2.1.1"
+    loose-envify "^1.0.0"
+    object-assign "^4.1.0"
+    promise "^7.1.1"
+    setimmediate "^1.0.5"
+    ua-parser-js "^0.7.30"
+
 fbjs@^0.8.9:
   version "0.8.17"
   resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.17.tgz#c4d598ead6949112653d6588b01a5cdcd9f90fdd"
@@ -8399,7 +8412,7 @@ promzard@^0.3.0:
   dependencies:
     read "1"
 
-prop-types@*:
+prop-types@*, prop-types@^15.6.1:
   version "15.8.1"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.8.1.tgz#67d87bf1a694f48435cf332c24af10214a3140b5"
   integrity sha512-oj87CgZICdulUohogVAR7AjlC0327U4el4L6eAvOqCeudMDVU0NThNaV+b9Df4dXgSP1gXMTnPdhfe/2qDH5cg==
@@ -8549,6 +8562,14 @@ rc@~1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
+react-addons-shallow-compare@15.6.2:
+  version "15.6.2"
+  resolved "https://registry.yarnpkg.com/react-addons-shallow-compare/-/react-addons-shallow-compare-15.6.2.tgz#198a00b91fc37623db64a28fd17b596ba362702f"
+  integrity sha512-yAV9tOObmKPiohqne1jiMcx6kDjfz7GeL8K9KHgI+HvDsbrRv148uyUzrPc6GwepZnQcJ59Q3lp1ghrkyPwtjg==
+  dependencies:
+    fbjs "^0.8.4"
+    object-assign "^4.1.0"
+
 react-devtools-core@^4.23.0:
   version "4.24.7"
   resolved "https://registry.yarnpkg.com/react-devtools-core/-/react-devtools-core-4.24.7.tgz#43df22e6d244ed8286fd3ff16a80813998fe82a0"
@@ -8741,6 +8762,14 @@ react-native-size-matters@^0.3.1:
   resolved "https://registry.yarnpkg.com/react-native-size-matters/-/react-native-size-matters-0.3.1.tgz#24d0cfc335a2c730f6d58bd7b43ea5a41be4b49f"
   integrity sha512-mKOfBLIBFBcs9br1rlZDvxD5+mAl8Gfr5CounwJtxI6Z82rGrMO+Kgl9EIg3RMVf3G855a85YVqHJL2f5EDRlw==
 
+react-native-snap-carousel@^3.9.1:
+  version "3.9.1"
+  resolved "https://registry.yarnpkg.com/react-native-snap-carousel/-/react-native-snap-carousel-3.9.1.tgz#6fd9bd8839546c2c6043a41d2035afbc6fe0443e"
+  integrity sha512-xWEGusacIgK1YaDXLi7Gao2+ISLoGPVEBR8fcMf4tOOJQufutlNwkoLu0l6B8Qgsrre0nTxoVZikRgGRDWlLaQ==
+  dependencies:
+    prop-types "^15.6.1"
+    react-addons-shallow-compare "15.6.2"
+
 react-native-storage@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/react-native-storage/-/react-native-storage-1.0.1.tgz#2c493875ff76ec301987c951a8302f3a54381241"
@@ -10192,6 +10221,11 @@ ua-parser-js@^0.7.18:
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.21.tgz#853cf9ce93f642f67174273cc34565ae6f308777"
   integrity sha512-+O8/qh/Qj8CgC6eYBVBykMrNtp5Gebn4dlGD/kKXVkJNDwyrAwSIqwz8CDf+tsAIWVycKcku6gIXJ0qwx/ZXaQ==
 
+ua-parser-js@^0.7.30:
+  version "0.7.33"
+  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.33.tgz#1d04acb4ccef9293df6f70f2c3d22f3030d8b532"
+  integrity sha512-s8ax/CeZdK9R/56Sui0WM6y9OFREJarMRHqLB2EwkovemBxNQ+Bqu8GAsUnVcXKgphb++ghr/B2BZx4mahujPw==
+
 uglify-es@^3.1.9:
   version "3.3.9"
   resolved "https://registry.yarnpkg.com/uglify-es/-/uglify-es-3.3.9.tgz#0c1c4f0700bed8dbc124cdb304d2592ca203e677"