diff --git a/deepmd/pt/utils/env.py b/deepmd/pt/utils/env.py
index a679ccf1fa..81499b5063 100644
--- a/deepmd/pt/utils/env.py
+++ b/deepmd/pt/utils/env.py
@@ -5,14 +5,12 @@
 import torch
 
 from deepmd.env import (
+    GLOBAL_ENER_FLOAT_PRECISION,
+    GLOBAL_NP_FLOAT_PRECISION,
     get_default_nthreads,
     set_default_nthreads,
 )
 
-PRECISION = os.environ.get("PRECISION", "float64")
-GLOBAL_NP_FLOAT_PRECISION = getattr(np, PRECISION)
-GLOBAL_PT_FLOAT_PRECISION = getattr(torch, PRECISION)
-GLOBAL_ENER_FLOAT_PRECISION = getattr(np, PRECISION)
 SAMPLER_RECORD = os.environ.get("SAMPLER_RECORD", False)
 try:
     # only linux
@@ -43,6 +41,7 @@
     "int32": torch.int32,
     "int64": torch.int64,
 }
+GLOBAL_PT_FLOAT_PRECISION = PRECISION_DICT[np.dtype(GLOBAL_NP_FLOAT_PRECISION).name]
 DEFAULT_PRECISION = "float64"
 
 # throw warnings if threads not set
@@ -52,3 +51,18 @@
     torch.set_num_interop_threads(inter_nthreads)
 if intra_nthreads > 0:
     torch.set_num_threads(intra_nthreads)
+
+__all__ = [
+    "GLOBAL_ENER_FLOAT_PRECISION",
+    "GLOBAL_NP_FLOAT_PRECISION",
+    "GLOBAL_PT_FLOAT_PRECISION",
+    "DEFAULT_PRECISION",
+    "PRECISION_DICT",
+    "SAMPLER_RECORD",
+    "NUM_WORKERS",
+    "DEVICE",
+    "JIT",
+    "CACHE_PER_SYS",
+    "ENERGY_BIAS_TRAINABLE",
+    "LOCAL_RANK",
+]