diff --git a/data/dictionary/TSCharacters.txt b/data/dictionary/TSCharacters.txt
index 08f378dca..48e0642bd 100644
--- a/data/dictionary/TSCharacters.txt
+++ b/data/dictionary/TSCharacters.txt
@@ -3022,6 +3022,7 @@
 # @tofu-risk: not covered by PingFang/Source Han baseline: 𫐷 U+2B437
 遱	遱 𫐷
 遲	迟
+遶	绕
 遷	迁
 選	选
 遺	遗
diff --git a/test/testcases/testcases.json b/test/testcases/testcases.json
index 934a46f7f..5bbc59bb8 100755
--- a/test/testcases/testcases.json
+++ b/test/testcases/testcases.json
@@ -1622,6 +1622,13 @@
         "s2t": "甦 楊甦棣 復甦 甦醒 甦生 心肺復甦術 楊甦棣 復甦 甦醒"
       }
     },
+    {
+      "id": "rao_variant",
+      "input": "江流宛轉遶芳甸",
+      "expected": {
+        "t2s": "江流宛转绕芳甸"
+      }
+    },
     {
       "id": "hk_computer_phrases_s2hkp",
       "input": "鼠标 光标 硬盘",