diff --git a/frameworks/intl/src/utils.cpp b/frameworks/intl/src/utils.cpp
index b90a12e9..b3a9787c 100644
--- a/frameworks/intl/src/utils.cpp
+++ b/frameworks/intl/src/utils.cpp
@@ -65,6 +65,10 @@ int32_t ConvertString2Int(const string &numberStr, int32_t& status)
         status = -1;
         HiLog::Error(LABEL, "ConvertString2Int: invalid argument out of range");
         return -1;
+    } catch (...) {
+        status = -1;
+        HiLog::Error(LABEL, "ConvertString2Int: undefined behavior.");
+        return -1;
     }
 }