Update sync_data.sh

sync_data.sh

@@ -73,10 +73,10 @@ except Exception as e:
 
 if os.path.exists(backup_file_path):
     if os.path.exists(CLOUDREVE_DATA_DIR):
-        print(f"Deleting existing data directory: $CLOUDREVE_DATA_DIR")
+        print(f\"Deleting existing data directory: {CLOUDREVE_DATA_DIR}\")
         shutil.rmtree(CLOUDREVE_DATA_DIR)
     os.makedirs(CLOUDREVE_DATA_DIR, exist_ok=True)
-    print(f"Extracting backup to: $CLOUDREVE_DATA_DIR")
+    print(f\"Extracting backup to: {CLOUDREVE_DATA_DIR}\")
     try:
         with tarfile.open(backup_file_path, 'r:gz') as tar:
             tar.extractall(CLOUDREVE_DATA_DIR)
@@ -167,5 +167,5 @@ except Exception as e:
     done
 }
 
-# 启动同步进程1
+# 启动同步进程
 sync_data &