diff --git a/__tests__/index.test.ts b/__tests__/index.test.ts
index 36ef7253..d6561712 100644
--- a/__tests__/index.test.ts
+++ b/__tests__/index.test.ts
@@ -1,3 +1,12 @@
-describe('TODO - Add a test suite', () => {
-    it('TODO - Add a test', async () => {});
-});
\ No newline at end of file
+import micromatch from 'micromatch';
+import * as lib from '../src/index';
+
+test('Test delete_file rule', () => {
+    const delete_files_pattern = "random-name-*.txt;random-*.txt".split(";")
+        .map((v) => v.trim())
+        .filter((v) => !!v);
+    expect(delete_files_pattern.length).toBe(2);
+
+    expect (delete_files_pattern && micromatch.isMatch("random-name-2bf0a034.txt", delete_files_pattern)).toBe(true);
+    expect (delete_files_pattern && micromatch.isMatch("random-name-d1e43358.txt", delete_files_pattern)).toBe(true);
+});
diff --git a/lib/index.js b/lib/index.js
index 1ff98f04..07752ee8 100755
--- a/lib/index.js
+++ b/lib/index.js
@@ -2984,6 +2984,7 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
 Object.defineProperty(exports, "__esModule", { value: true });
+exports.getInputAsBool = exports.getInputAsArray = void 0;
 const action_core = __importStar(__webpack_require__(470));
 const action_github = __importStar(__webpack_require__(469));
 const globby_1 = __importDefault(__webpack_require__(625));
@@ -2999,6 +3000,7 @@ function getInputAsArray(name) {
         .map((v) => v.trim())
         .filter((v) => !!v);
 }
+exports.getInputAsArray = getInputAsArray;
 function getInputAsBool(name) {
     const res = (action_core.getInput(name) || "").toLowerCase();
     if (!res) {
@@ -3010,6 +3012,7 @@ function getInputAsBool(name) {
         res != "no" &&
         res != "disable");
 }
+exports.getInputAsBool = getInputAsBool;
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
@@ -3241,12 +3244,18 @@ function run() {
             {
                 const old_asset_map = {};
                 const in_delete_rule = {};
+                if (is_verbose) {
+                    console.log(`Delete file pattern: ${delete_files_pattern}`);
+                }
                 if (deploy_release && deploy_release.data && deploy_release.data.assets) {
                     for (const asset of deploy_release.data.assets) {
                         old_asset_map[asset.name] = asset;
-                        if (delete_files_pattern && micromatch_1.default.isMatch('foo', delete_files_pattern)) {
+                        if (delete_files_pattern && micromatch_1.default.isMatch(asset.name, delete_files_pattern)) {
                             in_delete_rule[asset.name] = true;
                             pending_to_delete.push(asset);
+                            if (is_verbose) {
+                                console.log(`Old asset file: ${asset.name} match ${delete_files_pattern}.`);
+                            }
                         }
                     }
                 }
@@ -3255,10 +3264,14 @@ function run() {
                     if (old_asset_map[file_base_name]) {
                         if (in_delete_rule[file_base_name]) {
                             // Already in delete rule, do nothing.
+                            console.log(`Overwrite asset file: ${file_base_name} , because it match ${delete_files_pattern}.`);
                         }
                         else if (is_overwrite) {
                             pending_to_delete.push(old_asset_map[file_base_name]);
                             pending_to_upload.push(file_path);
+                            if (is_verbose) {
+                                console.log(`Overwrite old asset file: ${file_base_name}.`);
+                            }
                         }
                         else {
                             console.log(`Skip asset file: ${file_base_name}, it's already existed.`);
diff --git a/lib/index.js.map b/lib/index.js.map
index 1ff98f04..07752ee8 100755
--- a/lib/index.js.map
+++ b/lib/index.js.map
@@ -2984,6 +2984,7 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
 Object.defineProperty(exports, "__esModule", { value: true });
+exports.getInputAsBool = exports.getInputAsArray = void 0;
 const action_core = __importStar(__webpack_require__(470));
 const action_github = __importStar(__webpack_require__(469));
 const globby_1 = __importDefault(__webpack_require__(625));
@@ -2999,6 +3000,7 @@ function getInputAsArray(name) {
         .map((v) => v.trim())
         .filter((v) => !!v);
 }
+exports.getInputAsArray = getInputAsArray;
 function getInputAsBool(name) {
     const res = (action_core.getInput(name) || "").toLowerCase();
     if (!res) {
@@ -3010,6 +3012,7 @@ function getInputAsBool(name) {
         res != "no" &&
         res != "disable");
 }
+exports.getInputAsBool = getInputAsBool;
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
@@ -3241,12 +3244,18 @@ function run() {
             {
                 const old_asset_map = {};
                 const in_delete_rule = {};
+                if (is_verbose) {
+                    console.log(`Delete file pattern: ${delete_files_pattern}`);
+                }
                 if (deploy_release && deploy_release.data && deploy_release.data.assets) {
                     for (const asset of deploy_release.data.assets) {
                         old_asset_map[asset.name] = asset;
-                        if (delete_files_pattern && micromatch_1.default.isMatch('foo', delete_files_pattern)) {
+                        if (delete_files_pattern && micromatch_1.default.isMatch(asset.name, delete_files_pattern)) {
                             in_delete_rule[asset.name] = true;
                             pending_to_delete.push(asset);
+                            if (is_verbose) {
+                                console.log(`Old asset file: ${asset.name} match ${delete_files_pattern}.`);
+                            }
                         }
                     }
                 }
@@ -3255,10 +3264,14 @@ function run() {
                     if (old_asset_map[file_base_name]) {
                         if (in_delete_rule[file_base_name]) {
                             // Already in delete rule, do nothing.
+                            console.log(`Overwrite asset file: ${file_base_name} , because it match ${delete_files_pattern}.`);
                         }
                         else if (is_overwrite) {
                             pending_to_delete.push(old_asset_map[file_base_name]);
                             pending_to_upload.push(file_path);
+                            if (is_verbose) {
+                                console.log(`Overwrite old asset file: ${file_base_name}.`);
+                            }
                         }
                         else {
                             console.log(`Skip asset file: ${file_base_name}, it's already existed.`);
diff --git a/src/index.ts b/src/index.ts
index c69ded07..1d82f3b1 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -33,6 +33,8 @@ function getInputAsBool(name: string): boolean {
   );
 }
 
+export { getInputAsArray, getInputAsBool };
+
 async function run() {
   try {
     const github_token = (process.env["GITHUB_TOKEN"] || "").trim();
@@ -479,12 +481,25 @@ async function run() {
     {
       const old_asset_map = {};
       const in_delete_rule = {};
+
+      if (is_verbose) {
+        console.log(
+          `Delete file pattern: ${delete_files_pattern}`
+        );
+      }
+
       if (deploy_release && deploy_release.data && deploy_release.data.assets) {
         for (const asset of deploy_release.data.assets) {
           old_asset_map[asset.name] = asset;
           if (delete_files_pattern && micromatch.isMatch(asset.name, delete_files_pattern)) {
             in_delete_rule[asset.name] = true;
             pending_to_delete.push(asset);
+
+            if (is_verbose) {
+              console.log(
+                `Old asset file: ${asset.name} match ${delete_files_pattern}.`
+              );
+            }
           }
         }
       }
@@ -494,9 +509,18 @@ async function run() {
         if (old_asset_map[file_base_name]) {
           if (in_delete_rule[file_base_name]) {
             // Already in delete rule, do nothing.
+            console.log(
+              `Overwrite asset file: ${file_base_name} , because it match ${delete_files_pattern}.`
+            );
           } else if (is_overwrite) {
             pending_to_delete.push(old_asset_map[file_base_name]);
             pending_to_upload.push(file_path);
+
+            if (is_verbose) {
+              console.log(
+                `Overwrite old asset file: ${file_base_name}.`
+              );
+            }
           } else {
             console.log(
               `Skip asset file: ${file_base_name}, it's already existed.`