diff --git a/docs/changes.md b/docs/changes.md
index 0e78b197b..4a7384cb0 100644
--- a/docs/changes.md
+++ b/docs/changes.md
@@ -1,4 +1,7 @@
 # 最新动态
+2024/05/8
+  * 完善value_uint32(感谢华健提供补丁)
+  * 完善fscript iformat(感谢华健提供补丁)
 
 2024/05/7
   * 修复触摸点击edit子控件button弹出软键盘问题(感谢颖健提供补丁)
diff --git a/src/tkc/fscript.c b/src/tkc/fscript.c
index f404e8ebf..b7a4dd610 100644
--- a/src/tkc/fscript.c
+++ b/src/tkc/fscript.c
@@ -2677,7 +2677,8 @@ static ret_t func_iformat(fscript_t* fscript, fscript_args_t* args, value_t* res
   format = value_str(args->args);
   FSCRIPT_FUNC_CHECK(format != NULL, RET_BAD_PARAMS);
 
-  tk_snprintf(str->str, str->capacity - 1, format, value_int(args->args + 1));
+  
+  tk_snprintf(str->str, str->capacity > FSCRIPT_STR_CAPACITY ? FSCRIPT_STR_CAPACITY - 1 : str->capacity - 1, format, value_int(args->args + 1));
   value_dup_str(result, str->str);
 
   return RET_OK;
diff --git a/src/tkc/value.c b/src/tkc/value.c
index 487fbb186..ff58cf20c 100644
--- a/src/tkc/value.c
+++ b/src/tkc/value.c
@@ -158,6 +158,8 @@ uint32_t value_uint32(const value_t* v) {
 
   if (v->type == VALUE_TYPE_UINT32) {
     return v->value.u32;
+  } else if (v->type == VALUE_TYPE_STRING) {
+    return (uint32_t)tk_atoul(v->value.str);
   } else {
     return (uint32_t)value_int(v);
   }
diff --git a/tests/fscript_test.cc b/tests/fscript_test.cc
index 712709f51..da8d92fe0 100644
--- a/tests/fscript_test.cc
+++ b/tests/fscript_test.cc
@@ -335,6 +335,10 @@ TEST(FScript, iformat) {
   fscript_eval(obj, "iformat(\"hello:%d\", 123) + str(456)", &v);
   ASSERT_STREQ(value_str(&v), "hello:123456");
   value_reset(&v);
+  
+  fscript_eval(obj, "iformat(\"aaaaabbbhello1234567890hello1234567890hello1234567890123456789012345:%d\",2147483647)", &v);
+  ASSERT_STREQ(value_str(&v), "aaaaabbbhello1234567890hello1234567890hello1234567890123456789");
+  value_reset(&v);
 
   TK_OBJECT_UNREF(obj);
 }