fix: 后台图片上传路径bug

app/admin/controller/v1/Upload.php

@@ -171,6 +171,7 @@ class Upload
                 'filesha1'   => $image_model->file_sha1
             ]);
         } catch (\Throwable $th) {
+            dump($th);exit;
             return error($th->getMessage());
         }
 
@@ -184,23 +185,21 @@ class Upload
      */
     private function checkPath($path): string
     {
+        $ok       = false;
         $filename = basename($path);
         $dirname  = dirname($path);
-        if (is_dir($dirname)) {
-            $ok = false;
-            if (!file_exists($dirname)) {
-                $ok = @mkdir($dirname, 0755, true);
-            } else if (!is_writable($dirname)) {
-                $ok = @chmod($dirname,0755);
-            }
-            if ($ok) {
-                return $dirname . '/' . $filename;
-            }
-
-            throw new \Exception('要上传目录不可用');
+        if (!is_dir($dirname)) {
+            $ok = @mkdir($dirname, 0755, true);
+        }
+        else if (!is_writable($dirname)) {
+            $ok = @chmod($dirname,0755);
         }
 
-        return "";
+        if ($ok) {
+            return $dirname . '/' . $filename;
+        }
+
+        throw new \Exception("上传目标目录不可用");
     }
     /**
      * 文件名生成回调