我在进行测量模式检验的时候 最后提示这样修改模型，可是具体该怎么操作呢？

 The Modification Indices Suggest to Add an Error Covariance
  Between    and     Decrease in Chi-Square    New Estimate
 motive4   motive2            12.0                 0.20
 motive6   motive5            18.4                 0.66
 motive7   motive1             8.1                -0.20
 motive8   motive7            30.5                 0.27
 motive9   motive4            12.5                -0.20
 motive9   motive8            10.5                 0.13
 motive10  motive7             8.9                 0.13
 motive11  motive7            12.5                -0.14
 motive11  motive8             8.4                -0.10
 motive13  motive4            20.2                 0.27
 motive13  motive11           10.4                 0.11
 motive13  motive12            9.1                 0.11