diff --git a/build.py b/build.py
index f986c4f..def29ab 100755
--- a/build.py
+++ b/build.py
@@ -179,6 +179,11 @@ def parse_args():
         action="store_true",
         help="Build font archives with config and license. If has `--cache` flag, only archive Nerd-Font and CN formats",
     )
+    build_group.add_argument(
+        "--forgive",
+        action="store_true",
+        help="Forgive errors",
+    )
 
     return parser.parse_args()
 
@@ -270,6 +275,7 @@ class FontConfig:
         }
         self.glyph_width = 600
         self.glyph_width_cn_narrow = 1000
+        self.forgive = False
         self.__load_config(args.normal)
         self.__load_args(args)
 
@@ -351,6 +357,9 @@ class FontConfig:
         if args.apply_fea_file:
             self.apply_fea_file = True
 
+        if args.forgive:
+            self.forgive = True
+
         if args.cn_rebuild:
             self.cn["clean_cache"] = True
             self.cn["use_static_base_font"] = False
@@ -1056,7 +1065,9 @@ def main():
             )
 
             verify_glyph_width(
-                font=font, expect_widths=font_config.get_valid_glyph_width_list()
+                font=font,
+                expect_widths=font_config.get_valid_glyph_width_list(),
+                forgive=font_config.forgive,
             )
 
             add_gasp(font)
@@ -1137,6 +1148,7 @@ def main():
                 joinPaths(build_option.output_nf, listdir(build_option.output_nf)[0])
             ),
             expect_widths=font_config.get_valid_glyph_width_list(),
+            forgive=font_config.forgive,
         )
 
     # =========================================================================================
@@ -1175,6 +1187,7 @@ def main():
                 joinPaths(build_option.output_cn, listdir(build_option.output_cn)[0])
             ),
             expect_widths=font_config.get_valid_glyph_width_list(True),
+            forgive=font_config.forgive,
         )
 
     # =========================================================================================
diff --git a/source/py/utils.py b/source/py/utils.py
index 4f45a7a..fb7ee47 100644
--- a/source/py/utils.py
+++ b/source/py/utils.py
@@ -191,7 +191,7 @@ def match_unicode_names(file_path: str) -> dict[str, str]:
 
 
 # https://github.com/subframe7536/maple-font/issues/314
-def verify_glyph_width(font: TTFont, expect_widths: list[int]):
+def verify_glyph_width(font: TTFont, expect_widths: list[int], forgive: bool):
     print("Verify glyph width...")
     result: tuple[str, int] = []
     for name in font.getGlyphOrder():
@@ -203,9 +203,12 @@ def verify_glyph_width(font: TTFont, expect_widths: list[int]):
         print(f"Every glyph's width should be in {expect_widths}, but these are not:")
         for item in result:
             print(f"{item[0]}  =>  {item[1]}")
-        raise Exception(
-            f"The font may contain glyphs that width is not in {expect_widths}, which may broke monospace rule."
-        )
+        if forgive:
+            print("[WARN] Forgive it")
+        else:
+            raise Exception(
+                f"The font may contain glyphs that width is not in {expect_widths}, which may broke monospace rule."
+            )
 
 
 def compress_folder(