[Bug] No validation feedback when submitting Transfer form with empty/zero fields

[hartsring]

Description

Clicking "Continue" on the Send page with empty address and 0.0 amount does nothing — no error message or feedback.

Steps to Reproduce

1. Click 转账 (Transfer)
2. Select any token
3. Leave "To Address" empty, amount at 0.0
4. Click "Continue"

Expected Behavior

Validation errors shown for empty/invalid fields.

Actual Behavior

Nothing happens. No feedback shown.

Severity

High