090808 Modify function description 1. Optimized the database index function and data query function to make it faster and more stable. 2. Security precautions have been taken for all file uploads, etc. Some detailed issues in the old version have been corrected, and the password retrieval function has also been improved. 3. Improved some problems that cannot run in the Linux environment, making the system compatible with Linux/FreeBSD+php, windows+php systems. 4. The caching technology has been further enhanced and the homepage caching function has been added, which greatly improves the running speed. 5. Fixed the bug that videos from some video sites cannot be quoted in this forum. 6. Fixed the bug in adding wrong categories.
