diff --git a/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/exception/BadRequestException.java b/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/exception/BadRequestException.java
index f20a8dfe..9fa1d8d7 100644
--- a/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/exception/BadRequestException.java
+++ b/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/exception/BadRequestException.java
@@ -39,7 +39,6 @@ public class BadRequestException extends RuntimeException {
     }
 
     public BadRequestException(Throwable cause) {
-        // FIXME 20250827 修复完整异常链暴露给用户的问题
         super(cause.getMessage());
         this.status = BAD_REQUEST.value();
     }
diff --git a/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/logging/ExecutionTimeStatisticsFaceAspect.java b/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/logging/ExecutionTimeStatisticsFaceAspect.java
index fcc4b259..33098f65 100644
--- a/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/logging/ExecutionTimeStatisticsFaceAspect.java
+++ b/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/logging/ExecutionTimeStatisticsFaceAspect.java
@@ -42,7 +42,7 @@ public class ExecutionTimeStatisticsFaceAspect {
             return proceed;
         } catch (Exception e) {
             if (executionTimeStatisticsFace.showErrLog()) {
-                log.info("[{}] 接口执行失败，耗时: {} ms", executionTimeStatisticsFace.description(), timeInterval.intervalMs());
+                log.error("[{}] 接口执行失败，耗时: {} ms", executionTimeStatisticsFace.description(), timeInterval.intervalMs(), e);
             }
             throw e;
         }
diff --git a/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/server/converters/DateStringArraysToListDateConverter.java b/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/server/converters/DateStringArraysToListDateConverter.java
index 681690c6..73af6e4c 100644
--- a/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/server/converters/DateStringArraysToListDateConverter.java
+++ b/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/server/converters/DateStringArraysToListDateConverter.java
@@ -29,7 +29,7 @@ import java.util.stream.Collectors;
 
 @Component
 public class DateStringArraysToListDateConverter implements Converter<String[], List<Date>> {
-    private final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+    private static final ThreadLocal<SimpleDateFormat> SDF = ThreadLocal.withInitial(() -> new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
 
     @Override
     public List<Date> convert(String[] source) {
@@ -38,7 +38,7 @@ public class DateStringArraysToListDateConverter implements Converter<String[],
         }
         return Arrays.stream(source).map(s -> {
             try {
-                return sdf.parse(s);
+                return SDF.get().parse(s);
             } catch (ParseException e) {
                 throw new IllegalArgumentException("Invalid date string: " + s);
             }
diff --git a/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/server/converters/DateStringToDateConverter.java b/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/server/converters/DateStringToDateConverter.java
index 1088a8ac..7ba1651f 100644
--- a/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/server/converters/DateStringToDateConverter.java
+++ b/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/server/converters/DateStringToDateConverter.java
@@ -26,7 +26,7 @@ import java.util.Date;
 
 @Component
 public class DateStringToDateConverter implements Converter<String, Date> {
-    private final SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+    private static final ThreadLocal<SimpleDateFormat> SDF = ThreadLocal.withInitial(() -> new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
 
     @Override
     public Date convert(String source) {
@@ -34,7 +34,7 @@ public class DateStringToDateConverter implements Converter<String, Date> {
             return null;
         }
         try {
-            return sdf.parse(source);
+            return SDF.get().parse(source);
         } catch (ParseException e) {
             throw new IllegalArgumentException("Invalid date string: " + source);
         }
diff --git a/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/websocket/context/CsWsServer.java b/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/websocket/context/CsWsServer.java
index 2ed0b68b..40abe99b 100644
--- a/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/websocket/context/CsWsServer.java
+++ b/cutejava/cutejava-framework/src/main/java/cn/odboy/framework/websocket/context/CsWsServer.java
@@ -169,11 +169,7 @@ public class CsWsServer {
     public void stopTask(String sid) {
         Thread thread = getTaskThread(this.sid);
         if (thread != null) {
-            try {
-                thread.stop();
-            } catch (Exception e) {
-                // ignore
-            }
+            thread.stop();
         }
     }
 }
diff --git a/cutejava/cutejava-framework/src/main/java/cn/odboy/util/CsFileUtil.java b/cutejava/cutejava-framework/src/main/java/cn/odboy/util/CsFileUtil.java
index 80694425..52aa7884 100644
--- a/cutejava/cutejava-framework/src/main/java/cn/odboy/util/CsFileUtil.java
+++ b/cutejava/cutejava-framework/src/main/java/cn/odboy/util/CsFileUtil.java
@@ -152,7 +152,7 @@ public final class CsFileUtil extends cn.hutool.core.io.FileUtil {
      */
     public static File upload(MultipartFile file, String filePath) {
         Date date = new Date();
-        SimpleDateFormat format = new SimpleDateFormat("yyyyMMddhhmmssS");
+        SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmssS");
         // 过滤非法文件名
         String name = getPrefix(verifyFilename(file.getOriginalFilename()));
         String suffix = getSuffix(file.getOriginalFilename());