diff --git a/public/dicts/IELTS-listening-18days-day4.json b/public/dicts/IELTS-listening-18days-day4.json
index e7a84512bf..ddb4b53e10 100644
--- a/public/dicts/IELTS-listening-18days-day4.json
+++ b/public/dicts/IELTS-listening-18days-day4.json
@@ -216,6 +216,7 @@
         "trans": ["n. 网球"]
     },
     {
+        "name": "interest rate",
         "trans": ["n. 利率"]
     },
     {