diff --git a/src/main/java/com/yanghuanglin/springseq/config/Startup.java b/src/main/java/com/yanghuanglin/springseq/config/Startup.java
index 8538784..96323e3 100644
--- a/src/main/java/com/yanghuanglin/springseq/config/Startup.java
+++ b/src/main/java/com/yanghuanglin/springseq/config/Startup.java
@@ -25,8 +25,8 @@ public class Startup implements ApplicationRunner {
 
         Set<String> set = new HashSet<>();
         //开启多线程进行测试
-        ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor(10, 10, 1, TimeUnit.MINUTES, new ArrayBlockingQueue<>(100));
-        for (int i = 0; i < 5; i++) {
+        ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor(50, 50, 1, TimeUnit.MINUTES, new ArrayBlockingQueue<>(1000));
+        for (int i = 0; i < 200; i++) {
             threadPoolExecutor.execute(() -> {
                 Sequences sequences = generator.generate("SNT", "MISSION");
                 String formattedSeq = generator.format(sequences.getSeq(), 5, "处〔#year#〕10801#seq#");
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 00b3164..0746eb3 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -3,4 +3,4 @@ spring:
     url: jdbc:mysql://127.0.0.1:3306/sequence
     username: root
     password: root
-    driver-class-name: com.mysql.jdbc.Driver
+    driver-class-name: com.mysql.cj.jdbc.Driver