Update build.func

add error message

misc/build.func

@@ -28,7 +28,10 @@ error_handler() {
   local line_number="$1"
   local command="$2"
   local error_message="${RD}[ERROR]${CL} in line ${RD}$line_number${CL}: exit code ${RD}$exit_code${CL}: while executing command ${YW}$command${CL}"
-  echo -e "\n$error_message\n"
+  echo -e "\n$error_message"
+  if [[ "$line_number" -eq 22 ]]; then
+    echo -e "The silent function has suppressed the error, run the script with verbose mode enabled, which will provide more detailed output.\n"
+  fi
 }
 
 msg_info() {