diff --git a/src/utils/StringUtil.lua b/src/utils/StringUtil.lua
index 92899a6..6f4d1e7 100644
--- a/src/utils/StringUtil.lua
+++ b/src/utils/StringUtil.lua
@@ -13,7 +13,7 @@ local strh = require "strh"
 function string.setv(str, k, v, delimiter)
 	delimiter = delimiter or " "
 	-- 若存在则替换，若无则append
-	return strh.modify(str, {[tonumber(k)]=tonumber(v)}, false, delimiter)
+	return strh.modify(str, {[tonumber(k)]=math.floor(tonumber(v))}, false, delimiter)
 end
 
 function string.msetv(str, vs, delimiter)
@@ -24,7 +24,7 @@ end
 
 function string.incrv(str, k, delta, delimiter)
 	delimiter = delimiter or " "
-	return strh.modify(str, {[tonumber(k)]=tonumber(delta)}, true, delimiter)
+	return strh.modify(str, {[tonumber(k)]=math.floor(tonumber(delta))}, true, delimiter)
 end
 
 function string.mincrv(str, ds, delimiter)
--
libgit2 0.21.2