diff --git a/pom.xml b/pom.xml
index fa01e99..8305364 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>com.sunyard</groupId>
     <artifactId>sydapi4j</artifactId>
-    <version>1.0.20220712</version>
+    <version>1.0.20220722</version>
     <packaging>jar</packaging>
 
     <name>sydapi4j</name>
diff --git a/src/main/java/racal/sunyard/main/SydApi4j.java b/src/main/java/racal/sunyard/main/SydApi4j.java
index e9fab5a..17c4723 100644
--- a/src/main/java/racal/sunyard/main/SydApi4j.java
+++ b/src/main/java/racal/sunyard/main/SydApi4j.java
@@ -19,6 +19,7 @@ import com.sunyard.util.CoderUtil;
 import com.sunyard.util.FileUtil;
 import com.sunyard.util.MyUtil;
 import com.sunyard.util.SYMUtil;
+import org.slf4j.Logger;
 import racal.sunyard.main.dto.*;
 import racal.sunyard.main.proto.*;
 
@@ -53,6 +54,13 @@ public class SydApi4j implements SydApi {
     private static int port;
     private static int timeout;
 
+    public static void setLogger(Logger log) {
+        SydApi4j.log = log;
+    }
+
+    private static Logger log;
+
+
     //初始化变量
     static {
 
@@ -1085,17 +1093,21 @@ public class SydApi4j implements SydApi {
 
 
     private static void println(Object i) {
-        if (debug) {
+        if ( debug ) {
             System.out.println(i);
         }
-
+        if ( null != log ) {
+            log.debug("{}", i);
+        }
     }
 
     private static void print(Object i) {
         if (debug) {
             System.out.print(i);
         }
-
+        if ( null != log ) {
+            log.debug("{}", i);
+        }
     }
 
     //gc回收