diff --git a/README.md b/README.md
index a4eb3e6..2372892 100644
--- a/README.md
+++ b/README.md
@@ -474,7 +474,7 @@ chsrc set rust | cargo | crate
 chsrc set rustup
 
 chsrc set go
-chsrc set java    | maven | mvn | gradle
+chsrc set java    | maven | mvn | maven-daemon | mvnd | gradle
 chsrc set clojure | clojars
 chsrc set dart    | pub
 chsrc set flutter
@@ -595,4 +595,4 @@ chsrc set conda  | anaconda
 [@Efterklang]:     https://github.com/Efterklang
 [@wickdynex]:      https://github.com/wickdynex
 [@YU-7]:           https://github.com/YU-7
-[@sanchuanhehe]:   https://github.com/sanchuanhehe
+[@sanchuanhehe]:   https://github.com/sanchuanhehe
\ No newline at end of file
diff --git a/lib/xy.h b/lib/xy.h
index 391ab1b..7bfcb61 100644
--- a/lib/xy.h
+++ b/lib/xy.h
@@ -770,7 +770,7 @@ _xy_log_brkt (int level, const char *prompt1, const char *prompt2, const char *c
  *   由于目标行会被返回出来，所以 `func` 并不执行目标行，只会执行遍历过的行
  */
 static char *
-xy_run_iter_lines (const char *cmd,  unsigned long n,  void (*func) (const char *))
+xy_run_iter_lines (const char *cmd,  unsigned long n,  bool (*func) (const char *))
 {
   const int size = 512;
   char *buf = (char *) malloc (size);
@@ -796,7 +796,10 @@ xy_run_iter_lines (const char *cmd,  unsigned long n,  void (*func) (const char
         break;
       if (func)
         {
-          func (buf);
+           if (func (buf)) {
+             pclose (stream);
+             return ret;
+           }
         }
     }
 
@@ -1497,7 +1500,6 @@ xy_map_get (XyMap_t *map, const char *key)
   return NULL;
 }
 
-
 /**
  * @flavor Ruby: Hash#each
  */
@@ -1521,5 +1523,4 @@ xy_map_each (
     }
 }
 
-
-#endif
+#endif
\ No newline at end of file
diff --git a/src/framework/core.c b/src/framework/core.c
index 867fcb5..34ae184 100644
--- a/src/framework/core.c
+++ b/src/framework/core.c
@@ -127,12 +127,14 @@ struct
 
   /* 此时 chsrc_run() 不再是recipe中指定要运行的一个外部命令，而是作为一个功能实现的支撑 */
   bool chsrc_run_faas;
+  char *user_agent;
 }
 ProgStatus =
 {
   .leader_selected_index = -1,
   .chgtype = ChgType_Auto,
-  .chsrc_run_faas = false
+  .chsrc_run_faas = false,
+  .user_agent = "chsrc/" Chsrc_Version,
 };
 
 
@@ -642,15 +644,13 @@ measure_speed_for_url (void *url)
   /**
    * @note 我们用 —L，因为部分链接会跳转到其他地方，比如: RubyChina, npmmirror
    */
-  char *curl_cmd = xy_strcat (8, "curl -qsL ", ipv6,
-                                  " -o ", os_devnull,
-                                  " -w \"%{http_code} %{speed_download}\" -m", time_sec,
-                                  " -A chsrc/" Chsrc_Version "  ", url);
-
-  // chsrc_info (xy_2strcat ("测速命令 ", curl_cmd));
+  char *curl_cmd = xy_strcat (10, "curl -qsL ", ipv6,
+                                    " -o ", os_devnull,
+                                    " -w \"%{http_code} %{speed_download}\" -m", time_sec,
+                                    " -A ", ProgStatus.user_agent, " ", url);
 
+  // chsrc_note2 (xy_2strcat ("测速命令 ", curl_cmd));
   char *curl_buf = xy_run (curl_cmd, 0);
-
   return curl_buf;
 }
 
@@ -1111,7 +1111,11 @@ chsrc_determine_chgtype (ChgType_t type)
   ProgStatus.chgtype =  chsrc_in_reset_mode() ? ChgType_Reset : type;
 }
 
-
+void
+chsrc_custom_user_agent (char *user_agent)
+{
+  ProgStatus.user_agent = user_agent;
+}
 
 #define MSG_EN_PUBLIC_URL "If the URL you specify is a public service, you are invited to contribute: chsrc issue"
 #define MSG_CN_PUBLIC_URL "若您指定的URL为公有服务，邀您参与贡献: chsrc issue"
@@ -1845,4 +1849,4 @@ chsrc_get_cpucore ()
 #endif
 
   return cores;
-}
+}
\ No newline at end of file
diff --git a/src/framework/mirror.c b/src/framework/mirror.c
index a2db405..5d33f24 100644
--- a/src/framework/mirror.c
+++ b/src/framework/mirror.c
@@ -260,6 +260,13 @@ Huawei =
   {NotSkip, NA, NA, "https://mirrors.huaweicloud.com/ubuntu-releases" Big_File_ubuntu, ROUGH}
 },
 
+HuaweiCdn =
+{
+  IS_GeneralMirrorSite,
+  "huaweiCdn",  "Huawei Cloud", "华为开源镜像站",  "https://repo.huaweicloud.com/",
+  {NotSkip, NA, NA, "https://repo.huaweicloud.com/ubuntu-releases" Big_File_ubuntu, ROUGH}
+},
+
 Volcengine =
 {
   IS_GeneralMirrorSite,
@@ -294,4 +301,4 @@ Sohu =
   IS_GeneralMirrorSite,
   "sohu", "SOHU", "搜狐开源镜像站", "https://mirrors.sohu.com/",
   {NotSkip, NA, NA, "https://mirrors.sohu.com/deepin-cd" Big_File_deepin, ROUGH}
-};
+};
\ No newline at end of file
diff --git a/src/recipe/lang/Java.c b/src/recipe/lang/Java.c
index 47435be..05216b0 100644
--- a/src/recipe/lang/Java.c
+++ b/src/recipe/lang/Java.c
@@ -2,7 +2,7 @@
  * SPDX-License-Identifier: GPL-3.0-or-later
  * ------------------------------------------------------------*/
 
-def_target(pl_java, "java/maven/mvn/gradle");
+def_target(pl_java, "java/maven/mvn/maven-daemon/mvnd/gradle");
 
 void
 pl_java_prelude ()
@@ -20,65 +20,118 @@ pl_java_prelude ()
   chef_allow_local_mode (this, CanNot, NULL, NULL);
   chef_forbid_english(this);
   chef_allow_user_define(this);
+  chsrc_custom_user_agent("Maven/3.9.11");
 
   def_sources_begin()
-  {&UpstreamProvider, "https://repo1.maven.org/maven2/",                   DelegateToUpstream},
-  {&Ali,              "https://maven.aliyun.com/repository/public/",       DelegateToMirror},
-  {&Huawei,           "https://mirrors.huaweicloud.com/repository/maven/", DelegateToMirror},
-
+  {&UpstreamProvider, "https://repo1.maven.org/maven2/",                                  DelegateToUpstream},
+  {&Ali,              "https://maven.aliyun.com/repository/public/",                      "https://maven.aliyun.com/repository/public/com/tencentcloudapi/tencentcloud-sdk-java/3.1.1033/tencentcloud-sdk-java-3.1.1033-javadoc.jar"},
+  {&Huawei,           "https://mirrors.huaweicloud.com/repository/maven/",                "https://mirrors.huaweicloud.com/repository/maven/com/tencentcloudapi/tencentcloud-sdk-java/3.1.1033/tencentcloud-sdk-java-3.1.1033-javadoc.jar"},
+  {&HuaweiCdn,        "https://repo.huaweicloud.com/repository/maven/",                   "https://repo.huaweicloud.com/repository/maven/com/tencentcloudapi/tencentcloud-sdk-java/3.1.1033/tencentcloud-sdk-java-3.1.1033-javadoc.jar"},
+  {&Tencent,          "https://mirrors.cloud.tencent.com/nexus/repository/maven-public/", "https://mirrors.cloud.tencent.com/nexus/repository/maven-public/com/tencentcloudapi/tencentcloud-sdk-java/3.1.1033/tencentcloud-sdk-java-3.1.1033-javadoc.jar"},
   // 网易的24小时更新一次
-  {&Netease,          "http://mirrors.163.com/maven/repository/maven-public/", DelegateToMirror}
+  {&Netease,          "http://mirrors.163.com/maven/repository/maven-public/",            "https://mirrors.163.com/maven/repository/maven-public/com/tencentcloudapi/tencentcloud-sdk-java/3.1.1033/tencentcloud-sdk-java-3.1.1033-javadoc.jar"}
   def_sources_end()
 }
 
 
 void
-pl_java_check_cmd (bool *maven_exist, bool *gradle_exist)
+pl_java_check_cmd (bool *maven_exist, bool *gradle_exist, bool *maven_daemon_exist)
 {
   *maven_exist  = chsrc_check_program ("mvn");
   *gradle_exist = chsrc_check_program ("gradle");
+  *maven_daemon_exist = chsrc_check_program ("mvnd");
 
-  if (! *maven_exist && ! *gradle_exist)
+  if (! *maven_exist && ! *gradle_exist && ! *maven_daemon_exist)
     {
-      chsrc_error ("maven 与 gradle 命令均未找到，请检查是否存在其一");
+      chsrc_error ("maven(maven-daemon) 与 gradle 命令均未找到，请检查是否存在其一");
       exit (Exit_UserCause);
     }
 }
 
+bool
+pl_java_is_home (const char *str)
+{
+  return (xy_str_start_with (str, "Maven home:"));
+}
+
+bool
+pl_java_find_maven_home (const char *line)
+{
+  if(pl_java_is_home(line))
+    {
+      return true;
+    }
+  return false;
+}
 
 char *
 pl_java_find_maven_config ()
 {
-  char *buf = xy_run ("mvn -v", 2);
-  char *maven_home = xy_str_delete_prefix (buf, "Maven home: ");
-  maven_home = xy_str_strip (maven_home);
+  char *output;
+  int status = xy_run_capture ("mvn -v", &output);
+  if (0==status)
+  {
+    char *maven_home_line = xy_run_iter_lines ("mvn -v", 0, pl_java_find_maven_home);
+    char *maven_home = xy_str_delete_prefix (maven_home_line, "Maven home: ");
+    char *maven_config = xy_normalize_path (xy_2strcat (maven_home, "/conf/settings.xml"));
+    return maven_config;
+  }
+  else
+  {
+    printf("no find maven home\n");
+  }
+  return "~/.m2/settings.xml";
+}
 
-  char *maven_config = xy_normalize_path (xy_2strcat (maven_home, "/conf/settings.xml"));
-  return maven_config;
+char *
+pl_java_find_maven_daemon_config ()
+{
+  char *output;
+  int status = xy_run_capture ("mvnd -v", &output);
+  if (0==status)
+  {
+     char *maven_home_line = xy_run_iter_lines ("mvnd -v", 0, pl_java_find_maven_home);
+     char *maven_home = xy_str_delete_prefix (maven_home_line, "Maven home: ");
+     char *maven_config = xy_normalize_path (xy_2strcat (maven_home, "/conf/settings.xml"));
+     return maven_config;
+  }
+  else
+  {
+    printf ("no find maven home\n");
+  }
+  return "~/.m2/settings.xml";
 }
 
 
 void
 pl_java_getsrc (char *option)
 {
-  bool maven_exist, gradle_exist;
-  pl_java_check_cmd (&maven_exist, &gradle_exist);
-  char *maven_config = pl_java_find_maven_config ();
-  chsrc_note2 (xy_2strcat ("请查看 ", maven_config));
+  bool maven_exist, gradle_exist, maven_daemon_exist;
+  pl_java_check_cmd (&maven_exist, &gradle_exist, &maven_daemon_exist);
+  if (maven_exist)
+  {
+    char *maven_config = pl_java_find_maven_config ();
+    chsrc_note2 (xy_2strcat ("请查看 ", maven_config));
+  }
+  if(maven_daemon_exist)
+  {
+    char *maven_config = pl_java_find_maven_daemon_config ();
+    chsrc_note2 (xy_2strcat ("请查看 ", maven_config));
+  }
 }
 
 
+
 /**
  * @consult https://developer.aliyun.com/mirror/maven
  */
 void
 pl_java_setsrc (char *option)
 {
-  bool maven_exist, gradle_exist;
-  pl_java_check_cmd (&maven_exist, &gradle_exist);
-
-  chsrc_use_this_source (pl_java);
+  bool maven_exist, gradle_exist, maven_daemon_exist;
+  pl_java_check_cmd (&maven_exist, &gradle_exist, &maven_daemon_exist);
 
+  chsrc_use_this_source(pl_java);
   if (maven_exist)
     {
       char *file = xy_str_gsub (RAWSTR_pl_java_maven_config, "@1@", source.mirror->code);
@@ -89,6 +142,16 @@ pl_java_setsrc (char *option)
       println (file);
     }
 
+  if (maven_daemon_exist)
+    {
+      char *file = xy_str_gsub (RAWSTR_pl_java_maven_config, "@1@", source.mirror->code);
+              file = xy_str_gsub (file, "@name@", source.mirror->name);
+              file = xy_str_gsub (file, "@url@", source.url);
+      char *maven_config = pl_java_find_maven_daemon_config ();
+      chsrc_note2 (xy_strcat (3, "请在 maven 配置文件 ", maven_config, " 中添加:"));
+      println (file);
+    }
+
   if (gradle_exist)
     {
       if (maven_exist) br();
@@ -105,4 +168,4 @@ void
 pl_java_resetsrc (char *option)
 {
   pl_java_setsrc (option);
-}
+}
\ No newline at end of file
diff --git a/src/recipe/lang/Ruby/Ruby.c b/src/recipe/lang/Ruby/Ruby.c
index 9fe7a11..5f23bff 100644
--- a/src/recipe/lang/Ruby/Ruby.c
+++ b/src/recipe/lang/Ruby/Ruby.c
@@ -50,7 +50,7 @@ pl_ruby_getsrc (char *option)
   chsrc_run ("bundle config get mirror.https://rubygems.org", RunOpt_Default);
 }
 
-void
+bool
 pl_ruby_remove_gem_source (const char *source)
 {
   char *cmd = NULL;
@@ -59,6 +59,7 @@ pl_ruby_remove_gem_source (const char *source)
       cmd = xy_2strcat ("gem sources -r ", source);
       chsrc_run (cmd, RunOpt_Default);
     }
+  return false;
 }
 
 /**
@@ -103,4 +104,4 @@ void
 pl_ruby_resetsrc (char *option)
 {
   pl_ruby_setsrc (option);
-}
+}
\ No newline at end of file
diff --git a/src/recipe/menu.c b/src/recipe/menu.c
index e16433b..403adac 100644
--- a/src/recipe/menu.c
+++ b/src/recipe/menu.c
@@ -222,4 +222,4 @@ chsrc_available_mirrors[] = {
 
   /* ------------------------ chsrc 内部实现 ------------------------ */
   /* 不要列出 &UpstreamProvider 和 &UserDefinedProvider */
-};
+};
\ No newline at end of file