diff --git a/extend/catcher/generate/Generator.php b/extend/catcher/generate/Generator.php
index 5db216a..fc6abc1 100644
--- a/extend/catcher/generate/Generator.php
+++ b/extend/catcher/generate/Generator.php
@@ -48,7 +48,7 @@ class Generator
     {
         $class = ucfirst($type);
 
-        (new $class)->done($params);
+        return (new $class)->getContent($params);
     }
 
 
diff --git a/extend/catcher/generate/factory/Factory.php b/extend/catcher/generate/factory/Factory.php
index 252aa1f..c285ac2 100644
--- a/extend/catcher/generate/factory/Factory.php
+++ b/extend/catcher/generate/factory/Factory.php
@@ -2,6 +2,7 @@
 namespace catcher\generate\factory;
 
 use catcher\CatchAdmin;
+use think\facade\Db;
 
 abstract class Factory
 {
@@ -81,4 +82,17 @@ abstract class Factory
 
         return [$className, $namespace];
     }
+
+    /**
+     *
+     * @time 2020年04月28日
+     * @param $table
+     * @return bool
+     */
+    protected function hasTableExists($table)
+    {
+        $tables = Db::getConnection()->getTables();
+
+        return in_array($table, $tables);
+    }
 }
\ No newline at end of file
diff --git a/extend/catcher/generate/factory/Model.php b/extend/catcher/generate/factory/Model.php
index 2fdd0d9..f5b2431 100644
--- a/extend/catcher/generate/factory/Model.php
+++ b/extend/catcher/generate/factory/Model.php
@@ -8,6 +8,26 @@ use think\facade\Db;
 class Model extends Factory
 {
     public function done($params)
+    {
+        $file = $this->getGeneratePath($params['model']);
+
+        file_put_contents($file, $this->getContent($params));
+
+        if (!file_exists($file)) {
+            throw new FailedException('create model failed');
+        }
+
+        return true;
+    }
+
+    /**
+     * get contents
+     *
+     * @time 2020年04月29日
+     * @param $params
+     * @return string|string[]
+     */
+    public function getContent($params)
     {
         // TODO: Implement done() method.
         $template = new Template();
@@ -23,27 +43,17 @@ class Model extends Factory
         }
 
         $content = $template->useTrait($extra['soft_delete']) .
-                   $template->name($table) .
-                   $template->field($this->parseField($table));
+            $template->name($table) .
+            $template->field($this->parseField($table));
 
         $class = $template->header() .
-                 $template->nameSpace($namespace) .
-                 $template->uses($extra['soft_delete']) .
-                 $template->createModel($modelName, $table);
+            $template->nameSpace($namespace) .
+            $template->uses($extra['soft_delete']) .
+            $template->createModel($modelName, $table);
 
-
-        $file = $this->getGeneratePath($params['model']);
-
-        file_put_contents($file, str_replace('{CONTENT}', $content, $class));
-
-        if (!file_exists($file)) {
-            throw new FailedException('create model failed');
-        }
-
-        return true;
+        return str_replace('{CONTENT}', $content, $class);
     }
 
-
     /**
      * parse field
      *
@@ -53,6 +63,10 @@ class Model extends Factory
      */
     protected function parseField($table)
     {
+        if (!$this->hasTableExists($table)) {
+            return false;
+        }
+
         $columns = Db::query('show full columns from ' .
             config('database.connections.mysql.prefix') . $table);
 
diff --git a/extend/catcher/generate/factory/SQL.php b/extend/catcher/generate/factory/SQL.php
index 44e7436..f270abd 100644
--- a/extend/catcher/generate/factory/SQL.php
+++ b/extend/catcher/generate/factory/SQL.php
@@ -175,17 +175,4 @@ class SQL
             $this->index .= "spatial index spatial_$field($field),". PHP_EOL;
         }
     }
-
-    /**
-     *
-     * @time 2020年04月28日
-     * @param $table
-     * @return bool
-     */
-    protected function hasTableExists($table)
-    {
-        $tables = Db::getConnection()->getTables();
-
-        return in_array($table, $tables);
-    }
 }
\ No newline at end of file
diff --git a/extend/catcher/generate/template/Model.php b/extend/catcher/generate/template/Model.php
index c0c4be8..8a5ea4e 100644
--- a/extend/catcher/generate/template/Model.php
+++ b/extend/catcher/generate/template/Model.php
@@ -72,13 +72,15 @@ TMP;
      */
     public function field($field)
     {
-        return <<<TMP
+        if ($field) {
+            return <<<TMP
     protected \$field = [
         {$field}
     ];
     
  
 TMP;
+        }
 
     }