1, high power consumption: dynamic topics will be constantly powered on, which will make static source topics and topics consume more power. This will affect the battery life and battery life.

2. Memory occupation: Dynamic themes will occupy a certain amount of mobile phone memory, and may cause the mobile phone to get stuck or run slowly.

3. Security issues: Installing low-quality or unknown dynamic themes may lead to security issues, including stealing personal information, viruses or malware attacks.