Remove default values for CLI arguments, all params except -h now required

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/main/java/com/ets/scraper/EtsScraper.java

@@ -64,23 +64,21 @@ public class EtsScraper {
              }
          }
 
-        if (proxyHost == null) {
-            proxyHost = "http://127.0.0.1:8081";
-         }
-        if (proxyUser == null) {
-            proxyUser = "admin";
-         }
-        if (proxyPass == null) {
-            proxyPass = "123456";
+        if (proxyHost == null || proxyUser == null || proxyPass == null || dateStr == null) {
+            System.err.println("[-] Missing required arguments");
+            printHelp();
+            return;
            }
 
         java.time.LocalDate targetDate;
-        if (dateStr != null) {
+        try {
             targetDate = java.time.LocalDate.parse(dateStr);
-         } else {
-            targetDate = java.time.LocalDate.now().minusDays(1);
+           } catch (Exception e) {
+            System.err.println("[-] Invalid date format: " + dateStr + ", expected yyyy-MM-dd");
+            return;
            }
         String dateStrFormatted = targetDate.format(java.time.format.DateTimeFormatter.ofPattern("yyyy-MM-dd"));
+
         String dateStrFileName = targetDate.format(DateTimeFormatter.ofPattern("yyyyMMdd"));
 
         try {
@@ -244,10 +242,10 @@ public class EtsScraper {
                  用法: java -jar ets-playwright.jar [选项]
                  
                  选项:
-                    -s <url>     ets-proxy 服务器地址 (默认: http://127.0.0.1:8081)
-                    -u <user>    ets-proxy 用户名 (默认: admin)
-                    -p <pass>    ets-proxy 密码 (默认: 123456)
-                    -d <date>    查询日期，格式 yyyy-MM-dd (默认: 昨天)
+                    -s <url>     ets-proxy 服务器地址
+                    -u <user>    ets-proxy 用户名
+                    -p <pass>    ets-proxy 密码
+                    -d <date>    查询日期，格式 yyyy-MM-dd
                     -h           显示此帮助信息
                  
                  示例: