这个模型运行输出：The model is probably unidentified. In order to achieve identifiability, it will probably be necessary to impose 1 additional constraint.Model Fit Summary
CMIN

Model

NPARCMINDFPCMIN/DF

Saturated model

20.0000

Independence model

51298.00415.00086.534
Baseline Comparisons

Model

NFI
Delta1
RFI
rho1
IFI
Delta2
TLI
rho2
CFI

Saturated model

1.0001.0001.000

Independence model

.000.000.000.000.000
Parsimony-Adjusted Measures

Model

PRATIOPNFIPCFI

Saturated model

.000.000.000

Independence model

1.000.000.000
NCP

Model

NCPLO 90HI 90

Saturated model

.000.000.000

Independence model

1283.0041168.4691404.910
FMIN

Model

FMINF0LO 90HI 90

Saturated model

.000.000.000.000

Independence model

.882.872.794.955
RMSEA

Model

RMSEALO 90HI 90PCLOSE

Independence model

.241.230.252.000
AIC

Model

AICBCCBICCAIC

Saturated model

40.00040.164

Independence model

1308.0041308.045
ECVI

Model

ECVILO 90HI 90MECVI

Saturated model

.027.027.027.027

Independence model

.889.811.972.889
HOELTER

Model

HOELTER
.05
HOELTER
.01

Independence model

2935

Execution time summary

Minimization:	.003
Miscellaneous:	.190
Bootstrap:	.000
Total:	.193

残差项如果不连，模型拟合不好。两两相连就报错。