diff --git a/src/actions/GmAction.lua b/src/actions/GmAction.lua
index f093107..bf2f59e 100644
--- a/src/actions/GmAction.lua
+++ b/src/actions/GmAction.lua
@@ -1139,4 +1139,17 @@ function _M.get_draw_hero_pro(role, pms)
 	return json.encode(result)
 end
 
+function _M.decrePayR(role, pms)
+	local id = tonumber(pms.pm1)
+	local payR = role.storeData:getProperty("payR")
+	if payR[id] > 0 then
+		payR[id] = payR[id] - 1
+		if payR[id] == 0 then
+			payR[id] = nil
+		end
+	end
+	role.storeData:updateProperty({field = "payR", value = payR})
+	return "指令成功"
+end
+
 return _M
\ No newline at end of file
--
libgit2 0.21.2