diff --git a/src/framework/core.c b/src/framework/core.c
index 2b343a6..d548b2c 100644
--- a/src/framework/core.c
+++ b/src/framework/core.c
@@ -133,8 +133,8 @@ ProgStatus =
   .leader_selected_index = -1,
   .chgtype = ChgType_Auto,
   .chsrc_run_faas = false,
-  .user_agent = NULL;
-};
+  .user_agent = NULL
+}
 
 
 /* Global Program Store */
@@ -643,11 +643,11 @@ 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,
+  char *curl_cmd = xy_strcat (8, "curl -qsL ", ipv6,
                                     " -o ", os_devnull,
                                     " -w \"%{http_code} %{speed_download}\" -m", time_sec,
                                     " -A ", ProgStatus.user_agent, " ", url);
-  
+
   // chsrc_info (xy_2strjoin ("测速命令 ", curl_cmd));
   char *curl_buf = xy_run (curl_cmd, 0);
   return curl_buf;
diff --git a/src/recipe/lang/Java.c b/src/recipe/lang/Java.c
index c374948..5394193 100644
--- a/src/recipe/lang/Java.c
+++ b/src/recipe/lang/Java.c
@@ -72,7 +72,7 @@ pl_java_find_maven_config ()
   {
     char *maven_home_line = xy_run_iter ("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_2strjoin (maven_home, "/conf/settings.xml"));
+    char *maven_config = xy_normalize_path (xy_2strcat (maven_home, "/conf/settings.xml"));
     return maven_config;
   }
   else
@@ -91,7 +91,7 @@ pl_java_find_maven_daemon_config ()
   {
      char *maven_home_line = xy_run_iter ("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_2strjoin (maven_home, "/conf/settings.xml"));
+     char *maven_config = xy_normalize_path (xy_2strcat (maven_home, "/conf/settings.xml"));
      return maven_config;
   }
   else
@@ -110,12 +110,12 @@ pl_java_getsrc (char *option)
   if (maven_exist)
   {
     char *maven_config = pl_java_find_maven_config ();
-    chsrc_note2 (xy_2strcat ("请查看 ", maven_config));
+    chsrc_note2 (xy_strcat ("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));
+    chsrc_note2 (xy_strcat ("请查看 ", maven_config));
   }
 }
 
@@ -151,7 +151,7 @@ pl_java_setsrc (char *option)
               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_strjoin (3, "请在 maven 配置文件 ", maven_config, " 中添加:"));
+      chsrc_note2 (xy_strcat (3, "请在 maven 配置文件 ", maven_config, " 中添加:"));
       println (file);
     }
 
diff --git a/src/recipe/lang/Ruby/Ruby.c b/src/recipe/lang/Ruby/Ruby.c
index 074201f..5f23bff 100644
--- a/src/recipe/lang/Ruby/Ruby.c
+++ b/src/recipe/lang/Ruby/Ruby.c
@@ -59,7 +59,7 @@ pl_ruby_remove_gem_source (const char *source)
       cmd = xy_2strcat ("gem sources -r ", source);
       chsrc_run (cmd, RunOpt_Default);
     }
-  return false
+  return false;
 }
 
 /**