diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a6789f8..fd747f7 100755
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -53,7 +53,7 @@ jobs:
               "source" : [".workflow/exe"],
               "bundle_id" : "com.kaichu.xlsx2csv",
               "sign" :{
-                  "application_identity" : "cage.chung@gmail.com"
+                  "application_identity" : "Developer ID Application: KAI CHU CHUNG"
               }
           }
           EOF
diff --git a/ak.json b/ak.json
index a2bfea3..7b02f44 100755
--- a/ak.json
+++ b/ak.json
@@ -21,6 +21,6 @@
         "name": "KAI CHU CHUNG"
     },
     "gon": {
-        "application_identity": "cage.chung@gmail.com"
+        "application_identity": "Developer ID Application: KAI CHU CHUNG"
     }
 }
\ No newline at end of file