fix bug

app/controller/About.php

@@ -21,4 +21,12 @@ class About
         }
         return show("获取成功", SUCCESS_CODE, ["content" => $info["value"]]);
     }
+    public function act_rule()
+    {
+        $info = Db::name("config")->where("name", "act_rule")->find();
+        if (empty($info) || empty($info['value'])) {
+            return show("活动规则未设置");
+        }
+        return show("获取成功", SUCCESS_CODE, ["content" => $info["value"]]);
+    }
 }