请教大师们一个问题，J-LINK下载程序怎么下载不了呢？

请教大师们一个问题，J-LINK下载程序怎么下载不了呢？
* JLink Info: Device "STM32F103ZE" selected (512 KB flash, 64 KB RAM).

JLink info:
------------
DLL: V4.80g, compiled Feb 13 2014 20:50:02
Firmware: J-Link ARM V8 compiled Nov 25 2013 19:20:08
Hardware: V8.00
S/N : 17935099
Feature(s) : RDI,FlashDL,FlashBP,JFlash

* JLink Info: TotalIRLen = 9, IRPrint = 0x0011
* JLink Info: TotalIRLen = 9, IRPrint = 0x0011
* JLink Info: Found Cortex-M3 r1p1, Little endian.
* JLink Info: FPUnit: 6 code (BP) slots and 2 literal slots
* JLink Info: TPIU fitted.
* JLink Info: ETM fitted.
ROMTableAddr = 0xE00FF003

Target info:
------------
Device: STM32F103ZE
VTarget = 3.228V
State of Pins:
TCK: 1, TDI: 0, TDO: 1, TMS: 0, TRES: 1, TRST: 1
Hardware-Breakpoints: 6
Software-Breakpoints: 8192
Watchpoints:          4
JTAG speed: 2000 kHz

Erase Failed!
Error: Flash Download failed  -  "Cortex-M3"