diff --git a/.env.sample b/.env.sample
new file mode 100644
index 0000000..3525aee
--- /dev/null
+++ b/.env.sample
@@ -0,0 +1 @@
+MAIL_TO="songwritersg@naver.com"
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 4f53f51..accc028 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,4 +52,6 @@ package-lock.json
 yarn.lock
 
 .yarn
-.yarnrc.yml
\ No newline at end of file
+.yarnrc.yml
+
+.env
\ No newline at end of file
diff --git a/dist/index.html b/dist/index.html
index 4b93c1c..a5793dd 100644
--- a/dist/index.html
+++ b/dist/index.html
@@ -538,7 +538,10 @@
                     </div>
 
                     <div class="button">
-                        <button type="submit" class="btn">문의하기</button>
+                        <button type="submit" class="btn" id="btn-submit">
+                            <span class="loading" style="display:none"><i class="fa fa-spin fa-spinner"></i></span>
+                            <span class="text">문의하기</span>
+                        </button>
                     </div>
                 </form>
             </div>
@@ -681,14 +684,33 @@
                 type: "POST",
                 data: formData,
                 dataType: "json",
+                beforeSend: function() {
+                    $("#btn-submit").attr('disabled',true)
+                    $('#btn-submit .text').hide()
+                    $("#btn-submit .loading").show()
+                },
                 success: function() {
                     alert("상담 신청이 완료되었습니다.")
+
+                    $("#btn-submit").removeAttr('disabled')
+                    $('#btn-submit .text').show()
+                    $("#btn-submit .loading").hide()
+
                     $('[data-form="request-form"]').reset()
                 },
                 error: function(err) {
                     var message = err?.responseJSON?.error ?? "상담 신청도중 오류가 발생하였습니다.\\n서버 관리자에게 문의하세요"
+
+                    $("#btn-submit").removeAttr('disabled')
+                    $('#btn-submit .text').show()
+                    $("#btn-submit .loading").hide()
                     alert(message)
 
+                },
+                complete: function() {
+                    $("#btn-submit").removeAttr('disabled')
+                    $('#btn-submit .text').show()
+                    $("#btn-submit .loading").hide()
                 }
             })
         })
diff --git a/ecosystem.config.js b/ecosystem.config.js
new file mode 100644
index 0000000..25a1241
--- /dev/null
+++ b/ecosystem.config.js
@@ -0,0 +1,13 @@
+module.exports = {
+    apps: [
+        {
+            name: "intelligence-security",
+            script: "./dist/server.js",
+            watch: false,
+            env: {
+                NODE_ENV: "production",
+                PORT: 3070
+            }
+        }
+    ]
+};
\ No newline at end of file
diff --git a/src-server/email.ts b/src-server/email.ts
index 1041042..329ad43 100644
--- a/src-server/email.ts
+++ b/src-server/email.ts
@@ -14,8 +14,7 @@ export const sendEmail = async (subject: string, text: string) => {
 
     const mailOptions = {
         from: "support@wheeparam.com",
-        //to: "songwritersg@naver.com",
-        to : "whee0716@gmail.com",
+        to : process.env.MAIL_TO,
         subject,
         text,
     };
diff --git a/src/html/index.html b/src/html/index.html
index adef68e..0ab2dd8 100644
--- a/src/html/index.html
+++ b/src/html/index.html
@@ -448,7 +448,10 @@
                     </div>
 
                     <div class="button">
-                        <button type="submit" class="btn">문의하기</button>
+                        <button type="submit" class="btn" id="btn-submit">
+                            <span class="loading" style="display:none"><i class="fa fa-spin fa-spinner"></i></span>
+                            <span class="text">문의하기</span>
+                        </button>
                     </div>
                 </form>
             </div>
@@ -591,14 +594,33 @@
                 type: "POST",
                 data: formData,
                 dataType: "json",
+                beforeSend: function() {
+                    $("#btn-submit").attr('disabled',true)
+                    $('#btn-submit .text').hide()
+                    $("#btn-submit .loading").show()
+                },
                 success: function() {
                     alert("상담 신청이 완료되었습니다.")
+
+                    $("#btn-submit").removeAttr('disabled')
+                    $('#btn-submit .text').show()
+                    $("#btn-submit .loading").hide()
+
                     $('[data-form="request-form"]').reset()
                 },
                 error: function(err) {
                     var message = err?.responseJSON?.error ?? "상담 신청도중 오류가 발생하였습니다.\\n서버 관리자에게 문의하세요"
+
+                    $("#btn-submit").removeAttr('disabled')
+                    $('#btn-submit .text').show()
+                    $("#btn-submit .loading").hide()
                     alert(message)
 
+                },
+                complete: function() {
+                    $("#btn-submit").removeAttr('disabled')
+                    $('#btn-submit .text').show()
+                    $("#btn-submit .loading").hide()
                 }
             })
         })