Update using blocks

app_blocks.py

@@ -24,6 +24,12 @@ def opusmt(
     except Exception:
         to_lang = "auto"
 
+    # if empty, set to auto
+    if not from_lang:
+        from_lang = "auto"
+    if not to_lang:
+        to_lang = "auto"
+
     logger.debug("%s, %s, %s", text[:100], from_lang, to_lang)
     if to_lang in ["auto"]:
         if from_lang in ["zh"]:
@@ -42,7 +48,11 @@ def opusmt(
         )
     except Exception as e:
         logger.error(e)
-        res = f"errors: {e}"
+        if "Helsinki" in str(e):
+            res = "errors occur"
+        else:
+            res = f"errors: {e}"
+
     return res