diff --git a/engine/utils/audioprcs.py b/engine/utils/audioprcs.py
index a4362a2..e083c5e 100644
--- a/engine/utils/audioprcs.py
+++ b/engine/utils/audioprcs.py
@@ -39,15 +39,15 @@ def resample_chunk_mono(chunk: bytes, channels: int, orig_sr: int, target_sr: in
         单通道音频数据块
     """
     if channels == 1:
-        chunk_mono = chunk
+        chunk_mono = np.frombuffer(chunk, dtype=np.int16)
+        chunk_mono = chunk_mono.astype(np.float32)
     else:
         # (length * channels,)
         chunk_np = np.frombuffer(chunk, dtype=np.int16)
         # (length, channels)
         chunk_np = chunk_np.reshape(-1, channels)
         # (length,)
-        chunk_mono_f = np.mean(chunk_np.astype(np.float32), axis=1)
-        chunk_mono = chunk_mono_f.astype(np.int16)
+        chunk_mono = np.mean(chunk_np.astype(np.float32), axis=1)
 
     ratio = target_sr / orig_sr
     chunk_mono_r = samplerate.resample(chunk_mono, ratio, converter_type=mode)
@@ -69,6 +69,7 @@ def resample_mono_chunk(chunk: bytes, orig_sr: int, target_sr: int, mode="sinc_b
         单通道音频数据块
     """
     chunk_np = np.frombuffer(chunk, dtype=np.int16)
+    chunk_np = chunk_np.astype(np.float32)
     ratio = target_sr / orig_sr
     chunk_r =  samplerate.resample(chunk_np, ratio, converter_type=mode)
     chunk_r = np.round(chunk_r).astype(np.int16)
diff --git a/src/main/utils/CaptionEngine.ts b/src/main/utils/CaptionEngine.ts
index 93cd503..3d164e1 100644
--- a/src/main/utils/CaptionEngine.ts
+++ b/src/main/utils/CaptionEngine.ts
@@ -54,7 +54,12 @@ export class CaptionEngine {
         }
       }
       else {
-        this.appPath = path.join(process.resourcesPath, 'engine', 'main.exe')
+        if(process.platform === 'win32') {
+          this.appPath = path.join(process.resourcesPath, 'engine', 'main.exe')
+        }
+        else {
+          this.appPath = path.join(process.resourcesPath, 'engine', 'main')
+        }
       }
 
       this.command.push('-a', allConfig.controls.audio ? '1' : '0')
diff --git a/src/renderer/src/i18n/lang/en.ts b/src/renderer/src/i18n/lang/en.ts
index 24376af..30136f6 100644
--- a/src/renderer/src/i18n/lang/en.ts
+++ b/src/renderer/src/i18n/lang/en.ts
@@ -119,7 +119,7 @@ export default {
       "projLink": "Project Link",
       "manual": "User Manual",
       "engineDoc": "Caption Engine Manual",
-      "date": "July 29, 2025"
+      "date": "July 30, 2025"
     }
   },
   log: {
diff --git a/src/renderer/src/i18n/lang/ja.ts b/src/renderer/src/i18n/lang/ja.ts
index 0f91142..9dcde86 100644
--- a/src/renderer/src/i18n/lang/ja.ts
+++ b/src/renderer/src/i18n/lang/ja.ts
@@ -119,7 +119,7 @@ export default {
       "projLink": "プロジェクトリンク",
       "manual": "ユーザーマニュアル",
       "engineDoc": "字幕エンジンマニュアル",
-      "date": "2025 年 7 月 29 日"
+      "date": "2025 年 7 月 30 日"
     }
   },
   log: {
diff --git a/src/renderer/src/i18n/lang/zh.ts b/src/renderer/src/i18n/lang/zh.ts
index ddb52b5..46edb1d 100644
--- a/src/renderer/src/i18n/lang/zh.ts
+++ b/src/renderer/src/i18n/lang/zh.ts
@@ -119,7 +119,7 @@ export default {
       "projLink": "项目链接",
       "manual": "用户手册",
       "engineDoc": "字幕引擎手册",
-      "date": "2025 年 7 月 29 日"
+      "date": "2025 年 7 月 30 日"
     }
   },
   log: {