diff --git a/server.py b/server.py
index 385dc30..5f1b9ff 100644
--- a/server.py
+++ b/server.py
@@ -105,6 +105,11 @@ def init_schema(db):
         );
     """)
     db.commit()
+    # Migration: add status column if missing
+    try:
+        db.execute("ALTER TABLE submissions ADD COLUMN status TEXT NOT NULL DEFAULT 'received'")
+    except Exception:
+        pass
 
 def get_setting(db, key, default=""):
     row = db.execute("SELECT value FROM settings WHERE key = ?", (key,)).fetchone()
@@ -337,8 +342,8 @@ def check_status(email: str = "", phone: str = ""):
     rows = db.execute("""
         SELECT s.id, s.status, s.created_at
         FROM submissions s
-        JOIN submission_data d1 ON d1.submission_id = s.id AND d1.field_label = 'Email' AND d1.field_value = ?
-        JOIN submission_data d2 ON d2.submission_id = s.id AND d2.field_label = 'Phone' AND d2.field_value = ?
+        JOIN submission_data d1 ON d1.submission_id = s.id AND LOWER(d1.field_label) = 'email' AND d1.field_value = ?
+        JOIN submission_data d2 ON d2.submission_id = s.id AND LOWER(d2.field_label) = 'phone' AND d2.field_value = ?
         ORDER BY s.id DESC LIMIT 1
     """, (email.strip(), phone.strip())).fetchall()
     db.close()
@@ -358,8 +363,8 @@ def delete_submission(email: str = "", phone: str = ""):
     rows = db.execute("""
         SELECT s.id
         FROM submissions s
-        JOIN submission_data d1 ON d1.submission_id = s.id AND d1.field_label = 'Email' AND d1.field_value = ?
-        JOIN submission_data d2 ON d2.submission_id = s.id AND d2.field_label = 'Phone' AND d2.field_value = ?
+        JOIN submission_data d1 ON d1.submission_id = s.id AND LOWER(d1.field_label) = 'email' AND d1.field_value = ?
+        JOIN submission_data d2 ON d2.submission_id = s.id AND LOWER(d2.field_label) = 'phone' AND d2.field_value = ?
         ORDER BY s.id DESC LIMIT 1
     """, (email.strip(), phone.strip())).fetchall()
     if not rows: