fixed:SQL解析错误

extend/catcher/generate/factory/SQL.php

@@ -72,6 +72,7 @@ class SQL extends Factory
             $createSql .= $this->index;
         }
         $createSql = rtrim($createSql, ',' . PHP_EOL);
+
         // 创建表 SQL
         return $this->createTable($params['table'], $createSql, $extra['engine'], 'utf8mb4', $extra['comment']);
     }
@@ -104,7 +105,9 @@ class SQL extends Factory
         if (!$sql['nullable']) {
             $_sql[] = 'not null';
             if ($default == '' || $default === '') {
+                if (!$this->doNotNeedDefaultValueType($sql['type'])) {
                     $_sql[] = ' default \'\'';
+                }
             } else {
                 if (strpos('int', $sql['type']) === false) {
                     $_sql[] = ' default ' . (int)$default ;
@@ -117,7 +120,6 @@ class SQL extends Factory
         // 字段注释
         $_sql[] = $sql['comment'] ? sprintf('comment \'%s\'', $sql['comment']) : '';
 
-
         return implode(' ', $_sql) . ','. PHP_EOL;
     }
 
@@ -205,4 +207,21 @@ class SQL extends Factory
             $this->index .= "spatial index spatial_$field($field),". PHP_EOL;
         }
     }
+
+
+    /**
+     * 不需要默认值
+     *
+     * @param string $type
+     * @time 2020年10月23日
+     * @return  bool
+     */
+    protected function doNotNeedDefaultValueType(string $type)
+    {
+        return in_array($type, [
+            'blob', 'text', 'geometry', 'json',
+            'tinytext', 'mediumtext', 'longtext',
+            'tinyblob', 'mediumblob', 'longblob'
+        ]);
+    }
 }