diff --git a/src/index.ts b/src/index.ts
index a51d2af..5f263c6 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -120,7 +120,7 @@ async function getCurrentVersion(db: Pool, versionTable: string) {
         `)
         return lastVersion.rows[0]
     } catch (e) {
-        console.error("Error leyendo la tabla de versiones ", versionTable, e)
+        console.error("[x] Error leyendo la tabla de versiones ", versionTable, e)
     }
 }
 
@@ -133,11 +133,11 @@ async function initVersionTable(db: Pool, versionTable: string) {
 
     const ddlCreateVersionTable = `
         CREATE TABLE IF NOT EXISTS ${versionTable} (
-        id BIGINT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
-        version         TEXT PRIMARY KEY, -- version semantica x.x.x,
-        notes           TEXT,
-        creation_date   TIMESTAMP NOT NULL DEFAULT (now() at time zone 'utc'),
-        stable          BOOLEAN DEFAULT FALSE -- Si la version ha sido testada y se puede desplegar
+            id              BIGINT PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+            version         TEXT, -- version semantica x.x.x,
+            notes           TEXT,
+            creation_date   TIMESTAMP NOT NULL DEFAULT (now() at time zone 'utc'),
+            stable          BOOLEAN DEFAULT FALSE -- Si la version ha sido testada y se puede desplegar
         );
     `
 
@@ -154,10 +154,11 @@ async function initVersionTable(db: Pool, versionTable: string) {
 
     try {
         await client.query("BEGIN")
-
         await client.query(ddlCreateVersionTable)
-        await client.query(insertFistValue)
+        await client.query("COMMIT")
 
+        await client.query("BEGIN")
+        await client.query(insertFistValue)
         await client.query("COMMIT")
         return 0
     } catch (e) {
@@ -298,6 +299,14 @@ async function main() {
         migrationDir: args.migrations,
         versionTable: args.versionTable
     })
+    return 0
 }
 
-main().then(e => console.log(e)).catch(console.error)
+main()
+    .then(e => {
+        process.exit(0)
+    })
+    .catch(e => {
+        console.error(e)
+        process.exit(1)
+    })