diff --git a/core-database/src/main/java/cn/qaiu/db/ddl/CreateDatabase.java b/core-database/src/main/java/cn/qaiu/db/ddl/CreateDatabase.java
index 6749c15..f740c0f 100644
--- a/core-database/src/main/java/cn/qaiu/db/ddl/CreateDatabase.java
+++ b/core-database/src/main/java/cn/qaiu/db/ddl/CreateDatabase.java
@@ -53,7 +53,7 @@ public class CreateDatabase {
             stmt.executeUpdate("CREATE DATABASE IF NOT EXISTS " + dbName + " CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
             LOGGER.info(">>>>>>>>>>> 数据库'{}'创建成功 <<<<<<<<<<<<", dbName);
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.error("创建数据库失败", e);
         }
     }
 
diff --git a/core/src/main/java/cn/qaiu/vx/core/handlerfactory/RouterHandlerFactory.java b/core/src/main/java/cn/qaiu/vx/core/handlerfactory/RouterHandlerFactory.java
index 703fcc4..f573f6a 100644
--- a/core/src/main/java/cn/qaiu/vx/core/handlerfactory/RouterHandlerFactory.java
+++ b/core/src/main/java/cn/qaiu/vx/core/handlerfactory/RouterHandlerFactory.java
@@ -180,7 +180,7 @@ public class RouterHandlerFactory implements BaseHttpApi {
                     if (ctx.statusCode() == 503 || ctx.failure() == null) {
                         doFireJsonResultResponse(ctx, JsonResult.error("未知异常, 请联系管理员"), 503);
                     } else {
-                        ctx.failure().printStackTrace();
+                        LOGGER.error("路由处理失败", ctx.failure());
                         doFireJsonResultResponse(ctx, JsonResult.error(ctx.failure().getMessage()), 500);
                     }
                 });
@@ -199,7 +199,7 @@ public class RouterHandlerFactory implements BaseHttpApi {
                     try {
                         ReflectionUtil.invokeWithArguments(method, instance, sock);
                     } catch (Throwable e) {
-                        e.printStackTrace();
+                        LOGGER.error("WebSocket处理异常", e);
                     }
                 });
                 if (url.endsWith("*")) {
@@ -323,7 +323,7 @@ public class RouterHandlerFactory implements BaseHttpApi {
                                 parameterValueList.put(k, entity);
                             }
                         } catch (ClassNotFoundException e) {
-                            e.printStackTrace();
+                            LOGGER.error("实体类绑定异常: {}", typeName, e);
                         }
                     }
                 });
@@ -366,7 +366,7 @@ public class RouterHandlerFactory implements BaseHttpApi {
                     Object entity = ParamUtil.multiMapToEntity(queryParams, aClass);
                     parameterValueList.put(k, entity);
                 } catch (Exception e) {
-                    e.printStackTrace();
+                    LOGGER.error("参数绑定异常: {}", v.getRight().getName(), e);
                 }
             } else if (parameterValueList.get(k) == null
                     && JsonObject.class.getName().equals(v.getRight().getName())) {
@@ -418,7 +418,6 @@ public class RouterHandlerFactory implements BaseHttpApi {
                 }
             }
         } catch (Throwable e) {
-            e.printStackTrace();
             LOGGER.error("请求处理异常", e);
             doFireJsonResultResponse(ctx, JsonResult.error("服务器内部错误"), 500);
         }
diff --git a/core/src/main/java/cn/qaiu/vx/core/util/CommonUtil.java b/core/src/main/java/cn/qaiu/vx/core/util/CommonUtil.java
index d9da4ff..3f77baa 100644
--- a/core/src/main/java/cn/qaiu/vx/core/util/CommonUtil.java
+++ b/core/src/main/java/cn/qaiu/vx/core/util/CommonUtil.java
@@ -153,7 +153,7 @@ public class CommonUtil {
                     appVersion = properties.getProperty("app.version") + "build" + properties.getProperty("build");
                 }
             } catch (IOException e) {
-                e.printStackTrace();
+                LOGGER.error("读取app.properties失败", e);
             }
         }
         return appVersion;
diff --git a/core/src/main/java/cn/qaiu/vx/core/util/ReflectionUtil.java b/core/src/main/java/cn/qaiu/vx/core/util/ReflectionUtil.java
index 3d30eee..8cb1b50 100644
--- a/core/src/main/java/cn/qaiu/vx/core/util/ReflectionUtil.java
+++ b/core/src/main/java/cn/qaiu/vx/core/util/ReflectionUtil.java
@@ -25,6 +25,9 @@ import java.net.URL;
 import java.text.ParseException;
 import java.util.*;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import static cn.qaiu.vx.core.util.ConfigConstant.BASE_LOCATIONS;
 
 /**
@@ -36,6 +39,8 @@ import static cn.qaiu.vx.core.util.ConfigConstant.BASE_LOCATIONS;
  */
 public final class ReflectionUtil {
 
+    private static final Logger LOGGER = LoggerFactory.getLogger(ReflectionUtil.class);
+
     // 缓存Reflections实例，避免重复扫描（每次扫描约35K+值，耗时1-3秒，占用大量内存）
     private static final Map<String, Reflections> REFLECTIONS_CACHE = new java.util.concurrent.ConcurrentHashMap<>();
 
@@ -128,7 +133,7 @@ public final class ReflectionUtil {
                         parameterTypes[j - k]));
             }
         } catch (NotFoundException e) {
-            e.printStackTrace();
+            LOGGER.error("获取方法参数失败", e);
         }
         return paramMap;
     }
@@ -183,7 +188,7 @@ public final class ReflectionUtil {
                 try {
                     return DateUtils.parseDate(value, fmt);
                 } catch (ParseException e) {
-                    e.printStackTrace();
+                    LOGGER.error("日期解析失败: {}", value, e);
                     throw new RuntimeException("无法将格式化日期");
                 }
             default:
@@ -215,7 +220,7 @@ public final class ReflectionUtil {
             }
             return arr;
         } catch (Exception e) {
-            e.printStackTrace();
+            LOGGER.error("数组类型转换失败: {}", value, e);
         }
         return null;
     }
diff --git a/core/src/main/java/cn/qaiu/vx/core/verticle/HttpProxyVerticle.java b/core/src/main/java/cn/qaiu/vx/core/verticle/HttpProxyVerticle.java
index aa713ea..c6fdfc3 100644
--- a/core/src/main/java/cn/qaiu/vx/core/verticle/HttpProxyVerticle.java
+++ b/core/src/main/java/cn/qaiu/vx/core/verticle/HttpProxyVerticle.java
@@ -196,7 +196,7 @@ public class HttpProxyVerticle extends AbstractVerticle {
                     );
                 })
                 .onFailure(err -> {
-                    err.printStackTrace();
+                    LOGGER.error("HTTP请求失败", err);
                     clientRequest.response().setStatusCode(502).end("Bad Gateway: Request failed");
                 });
     }
@@ -222,7 +222,7 @@ public class HttpProxyVerticle extends AbstractVerticle {
             }
             return port;
         } catch (Exception e) {
-            e.printStackTrace();
+            LOGGER.error("提取端口失败: {}", urlString, e);
             // 出现异常时返回 -1，表示提取失败
             return -1;
         }
diff --git a/parser/src/main/java/cn/qaiu/parser/impl/FjTool.java b/parser/src/main/java/cn/qaiu/parser/impl/FjTool.java
index 1a75e4d..b9a3031 100644
--- a/parser/src/main/java/cn/qaiu/parser/impl/FjTool.java
+++ b/parser/src/main/java/cn/qaiu/parser/impl/FjTool.java
@@ -497,7 +497,7 @@ public class FjTool extends PanBase {
                     JsonArray list;
                     try {
                         JsonObject jsonObject = asJson(res);
-                        System.out.println(jsonObject.encodePrettily());
+                        log.debug("目录列表: {}", jsonObject.encodePrettily());
                         list = jsonObject.getJsonArray("list");
                     } catch (Exception e) {
                         log.error("解析目录失败: {}", res.bodyAsString());
diff --git a/parser/src/main/java/cn/qaiu/parser/impl/LzTool.java b/parser/src/main/java/cn/qaiu/parser/impl/LzTool.java
index c87bb96..5f41a2b 100644
--- a/parser/src/main/java/cn/qaiu/parser/impl/LzTool.java
+++ b/parser/src/main/java/cn/qaiu/parser/impl/LzTool.java
@@ -107,7 +107,7 @@ public class LzTool extends PanBase {
         try {
             setFileInfo(html, shareLinkInfo);
         } catch (Exception e) {
-            e.printStackTrace();
+            log.error("文件信息解析异常", e);
         }
         // 匹配iframe
         Pattern compile = Pattern.compile("src=\"(/fn\\?[a-zA-Z\\d_+/=]{16,})\"");
diff --git a/parser/src/main/java/cn/qaiu/parser/impl/MkwTool.java b/parser/src/main/java/cn/qaiu/parser/impl/MkwTool.java
index 1d59e2c..5686703 100644
--- a/parser/src/main/java/cn/qaiu/parser/impl/MkwTool.java
+++ b/parser/src/main/java/cn/qaiu/parser/impl/MkwTool.java
@@ -35,13 +35,13 @@ public class MkwTool extends PanBase {
                 Pattern pattern = Pattern.compile(regex);
                 Matcher matcher = pattern.matcher(cookie);
                 if (matcher.find()) {
-                    System.out.println(matcher.group(1));
-                    System.out.println(matcher.group(2));
+                    log.debug("cookie key: {}", matcher.group(1));
+                    log.debug("cookie value: {}", matcher.group(2));
 
                     var key = matcher.group(1);
                     var token = matcher.group(2);
                     String sign = JsExecUtils.getKwSign(token, key);
-                    System.out.println(sign);
+                    log.debug("sign: {}", sign);
                     clientSession.getAbs(UriTemplate.of(API_URL)).setTemplateParam("mid", shareLinkInfo.getShareKey())
                             .putHeader("Secret", sign).send().onSuccess(res -> {
                                 JsonObject json = asJson(res);
@@ -54,7 +54,7 @@ public class MkwTool extends PanBase {
                                     }
 
                                 } catch (Exception e) {
-                                    e.printStackTrace();
+                                    log.error("解析失败", e);
                                     fail("解析失败");
                                 }
                             });
diff --git a/parser/src/main/java/cn/qaiu/parser/impl/PdbTool.java b/parser/src/main/java/cn/qaiu/parser/impl/PdbTool.java
index 9edac9d..1561b1c 100644
--- a/parser/src/main/java/cn/qaiu/parser/impl/PdbTool.java
+++ b/parser/src/main/java/cn/qaiu/parser/impl/PdbTool.java
@@ -85,7 +85,7 @@ public class PdbTool extends PanBase implements IPanTool {
                                 })
                                 .onFailure(handleFail());
                     } catch (Exception e) {
-                        e.printStackTrace();
+                        log.error("URL编码异常", e);
                     }
 
                     })
diff --git a/parser/src/main/java/cn/qaiu/parser/impl/QQTool.java b/parser/src/main/java/cn/qaiu/parser/impl/QQTool.java
index f5e8cd7..fe6022d 100644
--- a/parser/src/main/java/cn/qaiu/parser/impl/QQTool.java
+++ b/parser/src/main/java/cn/qaiu/parser/impl/QQTool.java
@@ -74,9 +74,9 @@ public class QQTool extends PanBase {
                     });
 
                     // 调试匹配的情况
-                    System.out.println("文件名称: " + filename);
-                    System.out.println("文件大小: " + filesize);
-                    System.out.println("文件直链: " + fileurl);
+                    log.debug("文件名称: {}", filename);
+                    log.debug("文件大小: {}", filesize);
+                    log.debug("文件直链: {}", fileurl);
 
                     // 提交
                     promise.complete(fileurl.replace("\\x26", "&"));
diff --git a/parser/src/main/java/cn/qaiu/util/URLUtil.java b/parser/src/main/java/cn/qaiu/util/URLUtil.java
index 916a27f..a8b7bb1 100644
--- a/parser/src/main/java/cn/qaiu/util/URLUtil.java
+++ b/parser/src/main/java/cn/qaiu/util/URLUtil.java
@@ -2,6 +2,9 @@ package cn.qaiu.util;
 
 import org.apache.commons.lang3.StringUtils;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.net.URL;
 import java.net.URLDecoder;
 import java.nio.charset.StandardCharsets;
@@ -10,6 +13,8 @@ import java.util.Map;
 
 public class URLUtil {
 
+    private static final Logger LOGGER = LoggerFactory.getLogger(URLUtil.class);
+
     private final Map<String, String> queryParams = new HashMap<>();
 
     // 构造函数，传入URL并解析参数
@@ -31,7 +36,7 @@ public class URLUtil {
                 }
             }
         } catch (Exception e) {
-            e.printStackTrace();
+            LOGGER.error("URL解析失败: {}", url, e);
         }
     }
 
diff --git a/web-service/src/main/java/cn/qaiu/lz/common/cache/CacheManager.java b/web-service/src/main/java/cn/qaiu/lz/common/cache/CacheManager.java
index 83c871d..cd385c0 100644
--- a/web-service/src/main/java/cn/qaiu/lz/common/cache/CacheManager.java
+++ b/web-service/src/main/java/cn/qaiu/lz/common/cache/CacheManager.java
@@ -89,7 +89,7 @@ public class CacheManager {
                     } else {
                         LOGGER.warn("No rows affected when updating cache link info for shareKey: {}", cacheLinkInfo.getShareKey());
                     }
-                }).onFailure(Throwable::printStackTrace);
+                }).onFailure(e -> LOGGER.error("缓存链接更新失败", e));
 
         if (cacheLinkInfo.getFileInfo() != null) {
             String sql2 = """
@@ -123,7 +123,7 @@ public class CacheManager {
                                         } else {
                                             LOGGER.warn("No rows affected when inserting pan file info for shareKey: {}", cacheLinkInfo.getShareKey());
                                         }
-                                    }).onFailure(Throwable::printStackTrace);
+                                    }).onFailure(e -> LOGGER.error("文件信息插入失败", e));
                         }
                     });
         }
diff --git a/web-service/src/main/java/cn/qaiu/lz/web/controller/ParserApi.java b/web-service/src/main/java/cn/qaiu/lz/web/controller/ParserApi.java
index ba7a56a..e413333 100644
--- a/web-service/src/main/java/cn/qaiu/lz/web/controller/ParserApi.java
+++ b/web-service/src/main/java/cn/qaiu/lz/web/controller/ParserApi.java
@@ -76,7 +76,7 @@ public class ParserApi {
             }
             promise.complete(build);
         }).onFailure(t->{
-            t.printStackTrace();
+            log.error("获取统计信息失败", t);
             promise.complete(build);
         });
         return promise.future();