diff --git a/src/SPC/builder/LibraryBase.php b/src/SPC/builder/LibraryBase.php
index cffee91f..939ca11e 100644
--- a/src/SPC/builder/LibraryBase.php
+++ b/src/SPC/builder/LibraryBase.php
@@ -45,7 +45,7 @@ abstract class LibraryBase
         $lock = json_decode(FileSystem::readFile(DOWNLOAD_PATH . '/.lock.json'), true) ?? [];
         $source = Config::getLib(static::NAME, 'source');
         // if source is locked as pre-built, we just tryInstall it
-        if (isset($lock[$source]) && $lock[$source]['lock_as'] === SPC_LOCK_PRE_BUILT) {
+        if (isset($lock[$source]) && ($lock[$source]['lock_as'] ?? SPC_LOCK_SOURCE) === SPC_LOCK_PRE_BUILT) {
             return $this->tryInstall($lock[$source]['filename'], $force);
         }
         return $this->tryBuild($force);
diff --git a/src/SPC/command/BuildCliCommand.php b/src/SPC/command/BuildCliCommand.php
index 492059ec..2356e96f 100644
--- a/src/SPC/command/BuildCliCommand.php
+++ b/src/SPC/command/BuildCliCommand.php
@@ -147,7 +147,7 @@ class BuildCliCommand extends BuildCommand
             $builder->proveExts($extensions);
             // validate libs and exts
             $builder->validateLibsAndExts();
-            // build libraries
+            // build or install libraries
             $builder->setupLibs();
 
             if ($this->input->getOption('with-clean')) {
diff --git a/src/SPC/command/dev/PackLibCommand.php b/src/SPC/command/dev/PackLibCommand.php
index 8cb9014a..f97eaabd 100644
--- a/src/SPC/command/dev/PackLibCommand.php
+++ b/src/SPC/command/dev/PackLibCommand.php
@@ -64,7 +64,7 @@ class PackLibCommand extends BuildCommand
                     FileSystem::writeFile(WORKING_DIR . '/packlib_files.txt', implode("\n", $increase_files));
                     // pack
                     $filename = WORKING_DIR . '/dist/' . $lib->getName() . '-' . arch2gnu(php_uname('m')) . '-' . strtolower(PHP_OS_FAMILY) . '.' . Config::getPreBuilt('suffix');
-                    f_passthru('tar -czf ' . $filename . ' -T ' . WORKING_DIR . '/packlib_files.txt -C ' . WORKING_DIR);
+                    f_passthru('tar -czf ' . $filename . ' -T ' . WORKING_DIR . '/packlib_files.txt');
                     logger()->info('Pack library ' . $lib->getName() . ' to ' . $filename . ' complete.');
                 }
             }
diff --git a/src/SPC/store/Downloader.php b/src/SPC/store/Downloader.php
index 6e127c98..32085567 100644
--- a/src/SPC/store/Downloader.php
+++ b/src/SPC/store/Downloader.php
@@ -558,7 +558,6 @@ class Downloader
         try {
             f_passthru($cmd);
         } catch (RuntimeException $e) {
-            var_dump($e->getCode());
             if ($e->getCode() === 2 || $e->getCode() === -1073741510) {
                 throw new WrongUsageException('Keyboard interrupted, download failed !');
             }