max10 onchip_flash setup relationship failed

[Altera_Forum]

when i add onchip_flash into Qsys,setup timing failed,who can give me some help?thanks. 

  error message fallows:  ; Slack ; From Node ; To Node ; Launch Clock ; Latch Clock ; Relationship ; Clock Skew ; Data Delay ; +--------+------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------+---------------------------------------------------+---------------------------------------------------+--------------+------------+------------+ ; -0.610 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[18] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.079 ; 5.545 ; ; -0.578 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[15] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.084 ; 5.508 ; ; -0.572 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[15] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.084 ; 5.502 ; ; -0.536 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[18] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.079 ; 5.471 ; ; -0.515 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[19] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.079 ; 5.450 ; ; -0.514 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[15] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.084 ; 5.444 ; ; -0.473 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[18] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.079 ; 5.408 ; ; -0.468 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[18] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.079 ; 5.403 ; ; -0.466 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[15] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.084 ; 5.396 ; ; -0.461 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[15] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.084 ; 5.391 ; ; -0.441 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[19] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.079 ; 5.376 ; ; -0.395 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[17] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.084 ; 5.325 ; ; -0.379 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[6] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.085 ; 5.308 ; ; -0.378 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[19] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.079 ; 5.313 ; ; -0.373 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[19] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.079 ; 5.308 ; ; -0.364 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[15] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.084 ; 5.294 ; ; -0.352 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[15] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.084 ; 5.282 ; ; -0.345 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|W_alu_result[16] ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.084 ; 5.275 ; ; -0.343 ; nios3:inst5|nios3_nios2_gen2_0:nios2_gen2_0|nios3_nios2_gen2_0_cpu:cpu|d_write ; nios3:inst5|altera_onchip_flash:onchip_flash_0|altera_onchip_flash_avmm_data_controller:avmm_data_controller|enable_arclk_neg_reg ; inst3|altpll_component|auto_generated|pll1|clk[0] ; inst3|altpll_component|auto_generated|pll1|clk[0] ; 5.000 ; -0.085 ; 5.272 ;