diff --git a/HISTORY b/HISTORY
index 21eabb3..c3d13f3 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,4 +1,10 @@
 
+Version 1.37  2025-11-06
+  * query file info support two combined flags:
+        ProtoCommon.FDFS_QUERY_FINFO_FLAGS_NOT_CALC_CRC32
+        ProtoCommon.FDFS_QUERY_FINFO_FLAGS_KEEP_SILENCE
+    you must upgrade your FastDFS server V6.15.1 and higher version
+
 Version 1.36  2025-10-26
   * monitor protocol compatible with IPv4/IPv6 address automatically
   * FastDFS server version requirements:
diff --git a/pom.xml b/pom.xml
index d234c28..cb8f62b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>org.csource</groupId>
   <artifactId>fastdfs-client-java</artifactId>
-  <version>1.36-SNAPSHOT</version>
+  <version>1.37-SNAPSHOT</version>
   <name>fastdfs-client-java</name>
   <description>fastdfs client for java</description>
   <packaging>jar</packaging>
diff --git a/src/main/java/org/csource/fastdfs/ProtoCommon.java b/src/main/java/org/csource/fastdfs/ProtoCommon.java
index 889341b..0b06c5e 100644
--- a/src/main/java/org/csource/fastdfs/ProtoCommon.java
+++ b/src/main/java/org/csource/fastdfs/ProtoCommon.java
@@ -113,6 +113,9 @@ public class ProtoCommon {
   public static final byte FDFS_RW_MODE_WRITEONLY = 2;
   public static final byte FDFS_RW_MODE_BOTH = FDFS_RW_MODE_READONLY + FDFS_RW_MODE_WRITEONLY;
 
+  public static final byte FDFS_QUERY_FINFO_FLAGS_NOT_CALC_CRC32 = 1;
+  public static final byte FDFS_QUERY_FINFO_FLAGS_KEEP_SILENCE   = 2;
+
   private ProtoCommon() {
   }
 
diff --git a/src/main/java/org/csource/fastdfs/StorageClient.java b/src/main/java/org/csource/fastdfs/StorageClient.java
index cd2f26d..fb808fe 100644
--- a/src/main/java/org/csource/fastdfs/StorageClient.java
+++ b/src/main/java/org/csource/fastdfs/StorageClient.java
@@ -1540,9 +1540,14 @@ public class StorageClient {
      *
      * @param group_name      the group name of storage server
      * @param remote_filename filename on storage server
+     * @param flags combined flags as following:
+     *             ProtoCommon.FDFS_QUERY_FINFO_FLAGS_NOT_CALC_CRC32 : do NOT calculate CRC32
+     *                  for appender file or slave file
+     *             ProtoCommon.FDFS_QUERY_FINFO_FLAGS_KEEP_SILENCE   : keep silence,
+     *                  when this file not exist, do not log error on storage server
      * @return FileInfo object for success, return null for fail
      */
-    public FileInfo query_file_info(String group_name, String remote_filename) throws IOException, MyException {
+    public FileInfo query_file_info(String group_name, String remote_filename, byte flags) throws IOException, MyException {
         boolean bNewStorageServer = this.newUpdatableStorageConnection(group_name, remote_filename);
         Connection connection = this.storageServer.getConnection();
         try {
@@ -1566,7 +1571,7 @@ public class StorageClient {
             System.arraycopy(bs, 0, groupBytes, 0, groupLen);
 
             header = ProtoCommon.packHeader(ProtoCommon.STORAGE_PROTO_CMD_QUERY_FILE_INFO,
-                    +groupBytes.length + filenameBytes.length, (byte) 0);
+                    groupBytes.length + filenameBytes.length, flags);
             OutputStream out = connection.getOutputStream();
             byte[] wholePkg = new byte[header.length + groupBytes.length + filenameBytes.length];
             System.arraycopy(header, 0, wholePkg, 0, header.length);
@@ -1613,6 +1618,11 @@ public class StorageClient {
         }
     }
 
+    public FileInfo query_file_info(String group_name, String remote_filename) throws IOException, MyException {
+        final byte flags = 0;
+        return this.query_file_info(group_name, remote_filename, flags);
+    }
+
     /**
      * check storage socket, if null create a new connection
      *
diff --git a/src/main/java/org/csource/fastdfs/StorageClient1.java b/src/main/java/org/csource/fastdfs/StorageClient1.java
index 50004eb..0063ee9 100644
--- a/src/main/java/org/csource/fastdfs/StorageClient1.java
+++ b/src/main/java/org/csource/fastdfs/StorageClient1.java
@@ -735,16 +735,26 @@ public class StorageClient1 extends StorageClient {
    * get file info from storage server
    *
    * @param file_id the file id(including group name and filename)
+   * @param flags combined flags as following:
+   *             ProtoCommon.FDFS_QUERY_FINFO_FLAGS_NOT_CALC_CRC32 : do NOT calculate CRC32
+   *                  for appender file or slave file
+   *             ProtoCommon.FDFS_QUERY_FINFO_FLAGS_KEEP_SILENCE   : keep silence,
+   *                  when this file not exist, do not log error on storage server
    * @return FileInfo object for success, return null for fail
    */
-  public FileInfo query_file_info1(String file_id) throws IOException, MyException {
-    String[] parts = new String[2];
-    this.errno = this.split_file_id(file_id, parts);
-    if (this.errno != 0) {
-      return null;
-    }
+  public FileInfo query_file_info1(String file_id, byte flags) throws IOException, MyException {
+      String[] parts = new String[2];
+      this.errno = this.split_file_id(file_id, parts);
+      if (this.errno != 0) {
+          return null;
+      }
 
-    return this.query_file_info(parts[0], parts[1]);
+      return this.query_file_info(parts[0], parts[1], flags);
+  }
+
+  public FileInfo query_file_info1(String file_id) throws IOException, MyException {
+      final byte flags = 0;
+      return this.query_file_info1(file_id, flags);
   }
 
   /**