diff --git a/packages/core/src/libraries/logto-config.ts b/packages/core/src/libraries/logto-config.ts
index 2aaf2453a438..ad244beadabf 100644
--- a/packages/core/src/libraries/logto-config.ts
+++ b/packages/core/src/libraries/logto-config.ts
@@ -147,14 +147,14 @@ export const createLogtoConfigLibrary = ({
    * @params payload - The latest JWT customizer payload needs to be deployed.
    * @params payload.key - The tokenType of the JWT customizer.
    * @params payload.value - JWT customizer value
-   * @params payload.isTest - Whether the JWT customizer is for test environment.
+   * @params payload.useCase - The use case of JWT customizer script, can be either `test` or `production`.
    */
   const deployJwtCustomizerScript = async <T extends LogtoJwtTokenKey>(
     cloudConnection: CloudConnectionLibrary,
     payload: {
       key: T;
       value: JwtCustomizerType[T];
-      isTest?: boolean;
+      useCase: 'test' | 'production';
     }
   ) => {
     const [client, jwtCustomizers] = await Promise.all([
@@ -166,16 +166,25 @@ export const createLogtoConfigLibrary = ({
 
     const newCustomizerScripts: CustomJwtDeployRequestBody = {
       /**
-       * Only add `/test` endpoint for Cloudflare workers when testing.
-       * O/w overwrite the existing JWT customizer script.
+       * There are at most 4 custom JWT scripts in the `CustomJwtDeployRequestBody`-typed object,
+       * and can be indexed by `data[CustomJwtType][UseCase]`.
+       *
+       * Per our design, each script will be deployed as a API endpoint in the Cloudflare
+       * worker service. A production script will be deployed to `/api/custom-jwt`
+       * endpoint and a test script will be deployed to `/api/custom-jwt/test` endpoint.
+       *
+       * If the current use case is `test`, then the script should be deployed to a `/test` endpoint;
+       * otherwise, the script should be deployed to the `/api/custom-jwt` endpoint and overwrite
+       * previous handler of the API endpoint.
        */
-      [payload.key]: payload.isTest
-        ? {
-            test: payload.value.script,
-          }
-        : {
-            production: payload.value.script,
-          },
+      [payload.key]:
+        payload.useCase === 'test'
+          ? {
+              test: payload.value.script,
+            }
+          : {
+              production: payload.value.script,
+            },
     };
 
     await client.put(`/api/services/custom-jwt/worker`, {
diff --git a/packages/core/src/routes/logto-config/jwt-customizer.test.ts b/packages/core/src/routes/logto-config/jwt-customizer.test.ts
index ae763299aef4..88c0424c7247 100644
--- a/packages/core/src/routes/logto-config/jwt-customizer.test.ts
+++ b/packages/core/src/routes/logto-config/jwt-customizer.test.ts
@@ -60,6 +60,7 @@ describe('configs JWT customizer routes', () => {
       {
         key: LogtoJwtTokenKey.AccessToken,
         value: mockJwtCustomizerConfigForAccessToken.value,
+        useCase: 'production',
       }
     );
 
@@ -104,6 +105,7 @@ describe('configs JWT customizer routes', () => {
       {
         key: LogtoJwtTokenKey.AccessToken,
         value: mockJwtCustomizerConfigForAccessToken.value,
+        useCase: 'production',
       }
     );
 
@@ -168,7 +170,7 @@ describe('configs JWT customizer routes', () => {
       {
         key: LogtoJwtTokenKey.ClientCredentials,
         value: payload,
-        isTest: true,
+        useCase: 'test',
       }
     );
 
diff --git a/packages/core/src/routes/logto-config/jwt-customizer.ts b/packages/core/src/routes/logto-config/jwt-customizer.ts
index ec86e92ba7da..da629a241ff9 100644
--- a/packages/core/src/routes/logto-config/jwt-customizer.ts
+++ b/packages/core/src/routes/logto-config/jwt-customizer.ts
@@ -86,6 +86,7 @@ export default function logtoConfigJwtCustomizerRoutes<T extends AuthedRouter>(
         await deployJwtCustomizerScript(cloudConnection, {
           key,
           value: body,
+          useCase: 'production',
         });
       }
 
@@ -129,6 +130,7 @@ export default function logtoConfigJwtCustomizerRoutes<T extends AuthedRouter>(
         await deployJwtCustomizerScript(cloudConnection, {
           key,
           value: body,
+          useCase: 'production',
         });
       }
 
@@ -228,7 +230,7 @@ export default function logtoConfigJwtCustomizerRoutes<T extends AuthedRouter>(
             ? LogtoJwtTokenKey.AccessToken
             : LogtoJwtTokenKey.ClientCredentials,
         value: body,
-        isTest: true,
+        useCase: 'test',
       });
 
       const client = await cloudConnection.getClient();