diff --git a/sijapi/classes.py b/sijapi/classes.py
index 525789a..458e26c 100644
--- a/sijapi/classes.py
+++ b/sijapi/classes.py
@@ -603,26 +603,32 @@ class APIConfig(BaseModel):
                     for table in tables:
                         table_name = table['tablename']
                         try:
-                            last_synced_version = await self.get_last_synced_version(dest_conn, table_name, source_id)
-                            
-                            changes = await source_conn.fetch(f"""
-                                SELECT * FROM "{table_name}"
-                                WHERE version > $1 AND server_id = $2
-                                ORDER BY version ASC
-                                LIMIT $3
-                            """, last_synced_version, source_id, batch_size)
-                            
-                            if changes:
-                                changes_count = await self.apply_batch_changes(dest_conn, table_name, changes)
+                            if table_name == 'spatial_ref_sys':
+                                changes_count = await self.sync_spatial_ref_sys(source_conn, dest_conn)
                                 total_changes += changes_count
-                                
-                                if changes_count > 0:
-                                    last_synced_version = changes[-1]['version']
-                                    await self.update_sync_status(dest_conn, table_name, source_id, last_synced_version)
-                                
-                                info(f"Synced batch for {table_name}: {changes_count} changes. Total so far: {total_changes}")
+                                info(f"Synced spatial_ref_sys: {changes_count} changes. Total so far: {total_changes}")
                             else:
-                                info(f"No changes to sync for {table_name}")
+                                # Existing code for other tables
+                                last_synced_version = await self.get_last_synced_version(dest_conn, table_name, source_id)
+                                
+                                changes = await source_conn.fetch(f"""
+                                    SELECT * FROM "{table_name}"
+                                    WHERE version > $1 AND server_id = $2
+                                    ORDER BY version ASC
+                                    LIMIT $3
+                                """, last_synced_version, source_id, batch_size)
+                                
+                                if changes:
+                                    changes_count = await self.apply_batch_changes(dest_conn, table_name, changes)
+                                    total_changes += changes_count
+                                    
+                                    if changes_count > 0:
+                                        last_synced_version = changes[-1]['version']
+                                        await self.update_sync_status(dest_conn, table_name, source_id, last_synced_version)
+                                    
+                                    info(f"Synced batch for {table_name}: {changes_count} changes. Total so far: {total_changes}")
+                                else:
+                                    info(f"No changes to sync for {table_name}")
 
                         except Exception as e:
                             err(f"Error syncing table {table_name}: {str(e)}")
@@ -647,12 +653,24 @@ class APIConfig(BaseModel):
             # Convert the keys to a list
             columns = list(changes[0].keys())
             placeholders = [f'${i+1}' for i in range(len(columns))]
-            insert_query = f"""
-                INSERT INTO "{table_name}" ({', '.join(columns)})
-                VALUES ({', '.join(placeholders)})
-                ON CONFLICT (id) DO UPDATE SET
-                {', '.join(f"{col} = EXCLUDED.{col}" for col in columns if col != 'id')}
-            """
+
+            # Check if 'id' column exists
+            id_exists = 'id' in columns
+
+            if id_exists:
+                insert_query = f"""
+                    INSERT INTO "{table_name}" ({', '.join(columns)})
+                    VALUES ({', '.join(placeholders)})
+                    ON CONFLICT (id) DO UPDATE SET
+                    {', '.join(f"{col} = EXCLUDED.{col}" for col in columns if col != 'id')}
+                """
+            else:
+                # For tables without 'id', use all columns as conflict target
+                insert_query = f"""
+                    INSERT INTO "{table_name}" ({', '.join(columns)})
+                    VALUES ({', '.join(placeholders)})
+                    ON CONFLICT DO NOTHING
+                """
 
             # Execute the insert for each change
             affected_rows = 0
@@ -669,6 +687,56 @@ class APIConfig(BaseModel):
             return 0
 
 
+    async def sync_spatial_ref_sys(self, source_conn, dest_conn):
+        try:
+            # Get all entries from the source
+            source_entries = await source_conn.fetch("""
+                SELECT * FROM spatial_ref_sys
+                ORDER BY srid
+            """)
+
+            # Get all entries from the destination
+            dest_entries = await dest_conn.fetch("""
+                SELECT * FROM spatial_ref_sys
+                ORDER BY srid
+            """)
+
+            # Convert to dictionaries for easier comparison
+            source_dict = {entry['srid']: entry for entry in source_entries}
+            dest_dict = {entry['srid']: entry for entry in dest_entries}
+
+            updates = 0
+            inserts = 0
+
+            for srid, source_entry in source_dict.items():
+                if srid not in dest_dict:
+                    # Insert new entry
+                    columns = source_entry.keys()
+                    placeholders = [f'${i+1}' for i in range(len(columns))]
+                    insert_query = f"""
+                        INSERT INTO spatial_ref_sys ({', '.join(columns)})
+                        VALUES ({', '.join(placeholders)})
+                    """
+                    await dest_conn.execute(insert_query, *source_entry.values())
+                    inserts += 1
+                elif source_entry != dest_dict[srid]:
+                    # Update existing entry
+                    update_query = f"""
+                        UPDATE spatial_ref_sys
+                        SET {', '.join(f"{col} = ${i+1}" for i, col in enumerate(source_entry.keys()) if col != 'srid')}
+                        WHERE srid = ${len(source_entry)}
+                    """
+                    await dest_conn.execute(update_query, *[v for k, v in source_entry.items() if k != 'srid'], srid)
+                    updates += 1
+
+            info(f"spatial_ref_sys sync complete. Inserts: {inserts}, Updates: {updates}")
+            return inserts + updates
+
+        except Exception as e:
+            err(f"Error syncing spatial_ref_sys table: {str(e)}")
+            err(f"Traceback: {traceback.format_exc()}")
+            return 0
+
 
     async def push_changes_to_all(self):
         for pool_entry in self.POOL: