diff --git a/src/main/resources/static/index.html b/src/main/resources/static/index.html
index c6d227d..306edac 100644
--- a/src/main/resources/static/index.html
+++ b/src/main/resources/static/index.html
@@ -143,7 +143,7 @@
         .reg-io-grid .io-fieldset .io-row input,
         .reg-io-grid .io-fieldset .io-row select {padding: 4px 6px;border: 1px solid #aaa;border-radius: 4px;font-size: 14px;width: 100%;box-sizing: border-box;}
         .reg-io-grid .io-fieldset .io-row.checkbox-group {display: flex;align-items: center;gap: 16px;grid-column: 2 / 3;}
-        .reg-io-grid .io-fieldset .io-row .checkbox-with-text {display: flex;align-items: center;gap: 10px;width: 100%;}
+        .reg-io-grid .io-fieldset .io-row .checkbox-with-text {display: flex;align-items: center;gap: 10px;width: 10%;}
         .reg-io-grid .io-fieldset .io-row .checkbox-with-text input[type="checkbox"] {width: auto;margin: 0;}
 
         /* 비활성 input 시각화 */
@@ -239,6 +239,7 @@
         <section id="page-ssid" class="page">
             <div class="card">
                 <h3>SSID List</h3>
+
                 <template id="ssid-template">
                     <div class="ssid-row">
                         <input class="ssid-name" placeholder="Name"/>
@@ -331,6 +332,10 @@
                                     class="colon">:</span><input id="eth_netmask"></div>
                             <div class="io-row"><span class="label-inline">GATEWAY</span><span
                                     class="colon">:</span><input id="eth_gateway"></div>
+                            <div class="io-row"><span class="label-inline">SERVER IP</span><span
+                                    class="colon">:</span><input id="protocol_server_ip"></div>
+                            <div class="io-row"><span class="label-inline">SERVER PORT</span><span
+                                    class="colon">:</span><input id="protocol_server_port"></div>
                         </div>
                     </div>
 
@@ -557,16 +562,28 @@
                             <div class="io-row checkbox-group">
                                 <label class="checkbox-with-text">
                                     <input type="checkbox" id="ai0"/>AI0
+                                </label>
+                                <label class="checkbox-with-text">
                                     <input type="checkbox" id="ai1"/>AI1
+                                </label>
+                                <label class="checkbox-with-text">
                                     <input type="checkbox" id="ai2"/>AI2
+                                </label>
+                                <label class="checkbox-with-text">
                                     <input type="checkbox" id="ai3"/>AI3
                                 </label>
                             </div>
                             <div class="io-row checkbox-group">
                                 <label class="checkbox-with-text">
                                     <input type="checkbox" id="di0"/>DI0
+                                </label>
+                                <label class="checkbox-with-text">
                                     <input type="checkbox" id="di1"/>DI1
+                                </label>
+                                <label class="checkbox-with-text">
                                     <input type="checkbox" id="di2"/>DI2
+                                </label>
+                                <label class="checkbox-with-text">
                                     <input type="checkbox" id="di3"/>DI3
                                 </label>
                             </div>
@@ -586,6 +603,7 @@
                     <button class="save-file">Save to Protocol</button>
                     <button class="download-protocol-file">Download Device File</button>
             </div>
+
         </section>
 
         <template id="modbus-row-template">
@@ -1251,7 +1269,7 @@
                     const newRow = opcUaRowTemplate.content.cloneNode(true);
                     newRow.querySelector('.opcua-field-display').textContent = field.field ?? '';
                     newRow.querySelector('.opcua-addr-display').textContent = field.addr ?? '';
-                    newRow.querySelector('.opcua-ns-display').textContent = field.idt ?? '';
+                    newRow.querySelector('.opcua-ns-display').textContent = field.ns ?? '';
                     newRow.querySelector('.opcua-odt-display').textContent = field.odt ?? '';
                     newRow.querySelector('.opcua-dv-display').textContent = field.dv ?? '';
                     newRow.querySelector('.opcua-shift-display').textContent = field.shift ?? '';
@@ -2067,6 +2085,13 @@
                 alert('device 설정 전송 중 통신 오류 발생');
             });
 
+            const isConfigValid = isValidRegisterConfig(collectConfigData());
+
+            if (!isConfigValid) {
+                // 유효성 검사에 실패하면 경고 메시지를 띄우고 함수 실행을 중단합니다.
+                alert("현재 Register 설정이 유효하지 않습니다. 저장할 수 없습니다. 콘솔을 확인하세요.");
+                return; // 여기서 저장을 중단하고 다음 코드를 실행하지 않습니다.
+            }
             fetch('http://localhost:8080/setting/protocol', {
                 method: 'POST',
                 headers: {'Content-Type': 'application/json'},
@@ -2093,13 +2118,12 @@
         })})
 
         document.querySelectorAll('.download-protocol-file').forEach(btn=>{btn.addEventListener('click', () => {
-            downloadProtocolJson(collectData(data));
+            downloadProtocolJson(collectConfigData(data));
         })})
 
 
-        document.getElementById('reg_can_input')?.addEventListener('change', toggleProtocolMenus);//--------------------------------
+        document.getElementById('reg_can_input')?.addEventListener('change', toggleProtocolMenus);
 
-        // DOMContentLoaded 내부에 추가: CAN 테이블도 처음에 빈 행이 없으면 하나 추가
         const canFieldList = document.getElementById('can-field-list');
         if (canFieldList.children.length === 0) {
             const canRowTemplate = document.getElementById('can-row-template');
@@ -2124,6 +2148,10 @@
             document.getElementById('can_mask_input').value = tr.querySelector('.can-mask-display').textContent;
         });
     });
+
+
+
+
 </script>
 </body>
 </html>
\ No newline at end of file