diff --git a/api/core/helper/encrypter.py b/api/core/helper/encrypter.py
index 383a2dd57..fc54a17f5 100644
--- a/api/core/helper/encrypter.py
+++ b/api/core/helper/encrypter.py
@@ -11,6 +11,10 @@ def obfuscated_token(token: str) -> str:
     return token[:6] + "*" * 12 + token[-2:]
 
 
+def full_mask_token(token_length=20):
+    return "*" * token_length
+
+
 def encrypt_token(tenant_id: str, token: str):
     from models.account import Tenant
     from models.engine import db
diff --git a/api/fields/workflow_fields.py b/api/fields/workflow_fields.py
index f048d0f3b..53cb9de3e 100644
--- a/api/fields/workflow_fields.py
+++ b/api/fields/workflow_fields.py
@@ -17,7 +17,7 @@ class EnvironmentVariableField(fields.Raw):
             return {
                 "id": value.id,
                 "name": value.name,
-                "value": encrypter.obfuscated_token(value.value),
+                "value": encrypter.full_mask_token(),
                 "value_type": value.value_type.value,
                 "description": value.description,
             }