Hi Hou,
After defining Daily work Schedules follow below configuration steps of shift planning:
1. V_T77EP: Create new profile by copying the standard profile: SAP_000001 or SAP_000005 .
2. Define substitution type (Table: V_T556) : IMG->Time management ->Shift Planning ->Integration->Define substitution type.
3. Specify Shift Group (Table: V_T77DB): IMG->Time management ->Shift Planning ->Specify shift group. Copy the standard group and create a new shift group.
4. T code PP02: Assign shift group to an organizational Unit
5. Specify which factory calendar is to be used for Shift Planning: IMG->Time management ->Shift Planning -> Specify Factory Calendar.
6. Indicator for Shifts in Shift Plan (V_T77ER)
7. Grouping for substitution to Personnel area and Personnel subarea(Table:V_001P_E).
8. Set Defaults for Substitution Types. Feature VTART.
I hope it helps.
Regards,
Supriya