diff --git a/dictation_function/package.json b/dictation_function/package.json
index 0be5119..1f1524a 100644
--- a/dictation_function/package.json
+++ b/dictation_function/package.json
@@ -9,7 +9,8 @@
     "clean": "rimraf dist",
     "prestart": "npm run clean && npm run build",
     "start": "func start",
-    "test": "sql-migrate up -config=/app/dictation_server/db/dbconfig.yml -env=test && jest -w 1",
+    "test": "tsc --noEmit && sql-migrate up -config=/app/dictation_server/db/dbconfig.yml -env=test && jest -w 1",
+    "typecheck": "tsc --noEmit",
     "codegen": "sh codegen.sh"
   },
   "dependencies": {
diff --git a/dictation_function/src/functions/licenseAutoAllocation.ts b/dictation_function/src/functions/licenseAutoAllocation.ts
index 80d4414..8b1b053 100644
--- a/dictation_function/src/functions/licenseAutoAllocation.ts
+++ b/dictation_function/src/functions/licenseAutoAllocation.ts
@@ -97,23 +97,7 @@ export async function licenseAutoAllocation(
     context.log("[IN]licenseAutoAllocation");
     dotenv.config({ path: ".env" });
     dotenv.config({ path: ".env.local", override: true });
-    let datasource: DataSource;
-    try {
-      datasource = new DataSource({
-        type: "mysql",
-        host: process.env.DB_HOST,
-        port: Number(process.env.DB_PORT),
-        username: process.env.DB_USERNAME,
-        password: process.env.DB_PASSWORD,
-        database: process.env.DB_NAME,
-        entities: [User, Account, License, LicenseAllocationHistory],
-      });
-      await datasource.initialize();
-    } catch (e) {
-      context.log("database initialize failed.");
-      context.error(e);
-      throw e;
-    }
+    const datasource = await initializeDataSource(context);
     let redisClient: RedisClient;
     try {
       // redis接続
diff --git a/dictation_function/src/functions/licenseAutoAllocationManualRetry.ts b/dictation_function/src/functions/licenseAutoAllocationManualRetry.ts
index b9d74e8..c4b4514 100644
--- a/dictation_function/src/functions/licenseAutoAllocationManualRetry.ts
+++ b/dictation_function/src/functions/licenseAutoAllocationManualRetry.ts
@@ -41,23 +41,7 @@ export async function licenseAutoAllocationManualRetry(
       context.log("[IN]licenseAutoAllocationManualRetry");
       dotenv.config({ path: ".env" });
       dotenv.config({ path: ".env.local", override: true });
-      let datasource: DataSource;
-      try {
-        datasource = new DataSource({
-          type: "mysql",
-          host: process.env.DB_HOST,
-          port: Number(process.env.DB_PORT),
-          username: process.env.DB_USERNAME,
-          password: process.env.DB_PASSWORD,
-          database: process.env.DB_NAME,
-          entities: [User, Account, License, LicenseAllocationHistory],
-        });
-        await datasource.initialize();
-      } catch (e) {
-        context.log("database initialize failed.");
-        context.error(e);
-        throw e;
-      }
+      const datasource = await initializeDataSource(context);
       let redisClient: RedisClient;
       try {
         // redis接続