diff --git a/library/think/console/command/optimize/Schema.php b/library/think/console/command/optimize/Schema.php
index a81d6d57..2da00037 100644
--- a/library/think/console/command/optimize/Schema.php
+++ b/library/think/console/command/optimize/Schema.php
@@ -10,6 +10,7 @@
 // +----------------------------------------------------------------------
 namespace think\console\command\optimize;
 
+use think\App;
 use think\console\Command;
 use think\console\Input;
 use think\console\input\Option;
@@ -26,35 +27,78 @@ class Schema extends Command
         $this->setName('optimize:schema')
             ->addOption('db', null, Option::VALUE_REQUIRED, 'db name .')
             ->addOption('table', null, Option::VALUE_REQUIRED, 'table name .')
+            ->addOption('module', null, Option::VALUE_REQUIRED, 'module name .')
             ->setDescription('Build database schema cache.');
     }
 
     protected function execute(Input $input, Output $output)
     {
-        if ($input->hasOption('table')) {
-            $tables[] = $input->getOption('table');
-        } else {
-            if ($input->hasOption('db')) {
-                $dbName = $input->getOption('db');
-                $tables = Db::getTables($dbName);
-            } else {
-                $tables = Db::getTables();
-            }
-        }
-
         if (!is_dir(RUNTIME_PATH . 'schema')) {
             @mkdir(RUNTIME_PATH . 'schema', 0755, true);
         }
+        if ($input->hasOption('module')) {
+            $module = $input->getOption('module');
+            // 读取模型
+            $list = scandir(APP_PATH . $module . DS . 'model');
+            $app  = App::$namespace;
+            foreach ($list as $file) {
+                if ('.' == $file || '..' == $file) {
+                    continue;
+                }
+                $class = '\\' . $app . '\\' . $module . '\\model\\' . pathinfo($file, PATHINFO_FILENAME);
+                $this->buildModelSchema($class);
+            }
+            $output->writeln('<info>Succeed!</info>');
+            return;
+        } else if ($input->hasOption('table')) {
+            $table = $input->getOption('table');
+            if (!strpos($table, '.')) {
+                $dbName = Db::getConfig('database');
+            }
+            $tables[] = $table;
+        } elseif ($input->hasOption('db')) {
+            $dbName = $input->getOption('db');
+            $tables = Db::getTables($dbName);
+        } elseif (!\think\Config::get('app_multi_module')) {
+            $app  = App::$namespace;
+            $list = scandir(APP_PATH . 'model');
+            foreach ($list as $file) {
+                if ('.' == $file || '..' == $file) {
+                    continue;
+                }
+                $class = '\\' . $app . '\\model\\' . pathinfo($file, PATHINFO_FILENAME);
+                $this->buildModelSchema($class);
+            }
+            $output->writeln('<info>Succeed!</info>');
+            return;
+        } else {
+            $dbName = Db::getConfig('database');
+            $tables = Db::getTables();
+        }
 
         $db = isset($dbName) ? $dbName . '.' : '';
+        $this->buildDataBaseSchema($tables, $db);
+
+        $output->writeln('<info>Succeed!</info>');
+    }
+
+    protected function buildModelSchema($class)
+    {
+        $table   = $class::getTable();
+        $dbName  = $class::getConfig('database');
+        $content = '<?php ' . PHP_EOL . 'return ';
+        $info    = $class::getConnection()->getFields($table);
+        $content .= var_export($info, true) . ';';
+        file_put_contents(RUNTIME_PATH . 'schema' . DS . $dbName . '.' . $table . EXT, $content);
+    }
+
+    protected function buildDataBaseSchema($tables, $db)
+    {
         foreach ($tables as $table) {
             $content = '<?php ' . PHP_EOL . 'return ';
             $info    = Db::getFields($db . $table);
             $content .= var_export($info, true) . ';';
             file_put_contents(RUNTIME_PATH . 'schema' . DS . $db . $table . EXT, $content);
         }
-
-        $output->writeln('<info>Succeed!</info>');
     }
-
 }
diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 04a8184c..7cb5bcf5 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -1341,6 +1341,9 @@ class Query
         }
 
         list($guid) = explode(' ', $tableName);
+        if (!strpos($guid, '.')) {
+            $guid = $this->getConfig('database') . '.' . $guid;
+        }
         if (!isset(self::$info[$guid])) {
             // 读取缓存
             if (is_file(RUNTIME_PATH . 'schema/' . $guid . '.php')) {