diff --git a/install.sh b/install.sh
index b570e6c..26870b4 100644
--- a/install.sh
+++ b/install.sh
@@ -204,8 +204,11 @@ if [[ $PG_HOST == postgres ]]; then
 fi
 if [[ $PG_HOST == postgres ]]; then
   ready=0
-  for elapsed in $(seq 0 118 2); do
-    "${COMPOSE[@]}" --profile local-db --project-directory "$INSTALL_DIR" --env-file "$INSTALL_DIR/.env" -f "$INSTALL_DIR/compose.yaml" exec -T postgres pg_isready -U "$PG_USER" -d "$PG_DB" >/dev/null 2>&1 && { ready=1; break; }
+  for elapsed in $(seq 0 298 2); do
+    if "${COMPOSE[@]}" --profile local-db --project-directory "$INSTALL_DIR" --env-file "$INSTALL_DIR/.env" -f "$INSTALL_DIR/compose.yaml" exec -T postgres pg_isready -U "$PG_USER" -d "$PG_DB" >/dev/null 2>&1; then
+      ready=1
+      break
+    fi
     printf '\033[2K\r[%d/%d] 等待 PostgreSQL 就绪（%s 秒）' "$STEP" "$TOTAL_STEPS" "$elapsed"
     sleep 2
   done