diff --git a/tencentcloud/resource_tc_eip.go b/tencentcloud/resource_tc_eip.go
index ae28f45f36..c02411ef14 100644
--- a/tencentcloud/resource_tc_eip.go
+++ b/tencentcloud/resource_tc_eip.go
@@ -50,19 +50,17 @@ func resourceTencentCloudEip() *schema.Resource {
 				Description:  "The name of eip.",
 			},
 			"type": {
-				Type:         schema.TypeString,
-				Optional:     true,
-				Default:      EIP_TYPE_EIP,
-				ForceNew:     true,
-				ValidateFunc: validateAllowedStringValue(EIP_TYPE),
-				Description:  "The type of eip. Valid value:  `EIP` and `AnycastEIP` and `HighQualityEIP`. Default is `EIP`.",
+				Type:        schema.TypeString,
+				Optional:    true,
+				Default:     EIP_TYPE_EIP,
+				ForceNew:    true,
+				Description: "The type of eip. Valid value:  `EIP` and `AnycastEIP` and `HighQualityEIP`. Default is `EIP`.",
 			},
 			"anycast_zone": {
-				Type:         schema.TypeString,
-				Optional:     true,
-				ForceNew:     true,
-				ValidateFunc: validateAllowedStringValue(EIP_ANYCAST_ZONE),
-				Description:  "The zone of anycast. Valid value: `ANYCAST_ZONE_GLOBAL` and `ANYCAST_ZONE_OVERSEAS`.",
+				Type:        schema.TypeString,
+				Optional:    true,
+				ForceNew:    true,
+				Description: "The zone of anycast. Valid value: `ANYCAST_ZONE_GLOBAL` and `ANYCAST_ZONE_OVERSEAS`.",
 			},
 			"applicable_for_clb": {
 				Type:        schema.TypeBool,
@@ -71,19 +69,17 @@ func resourceTencentCloudEip() *schema.Resource {
 				Deprecated:  "It has been deprecated from version 1.27.0.",
 			},
 			"internet_service_provider": {
-				Type:         schema.TypeString,
-				Optional:     true,
-				ForceNew:     true,
-				ValidateFunc: validateAllowedStringValue(EIP_INTERNET_PROVIDER),
-				Description:  "Internet service provider of eip. Valid value: `BGP`, `CMCC`, `CTCC` and `CUCC`.",
+				Type:        schema.TypeString,
+				Optional:    true,
+				ForceNew:    true,
+				Description: "Internet service provider of eip. Valid value: `BGP`, `CMCC`, `CTCC` and `CUCC`.",
 			},
 			"internet_charge_type": {
-				Type:         schema.TypeString,
-				Optional:     true,
-				Computed:     true,
-				ForceNew:     true,
-				ValidateFunc: validateAllowedStringValue(CVM_INTERNET_CHARGE_TYPE),
-				Description:  "The charge type of eip. Valid value: `BANDWIDTH_PACKAGE`, `BANDWIDTH_POSTPAID_BY_HOUR` and `TRAFFIC_POSTPAID_BY_HOUR`.",
+				Type:        schema.TypeString,
+				Optional:    true,
+				Computed:    true,
+				ForceNew:    true,
+				Description: "The charge type of eip. Valid values: `BANDWIDTH_PACKAGE`, `BANDWIDTH_POSTPAID_BY_HOUR`, `BANDWIDTH_PREPAID_BY_MONTH` and `TRAFFIC_POSTPAID_BY_HOUR`.",
 			},
 			"internet_max_bandwidth_out": {
 				Type:        schema.TypeInt,
diff --git a/website/docs/r/eip.html.markdown b/website/docs/r/eip.html.markdown
index 15fef11286..1b4978093f 100644
--- a/website/docs/r/eip.html.markdown
+++ b/website/docs/r/eip.html.markdown
@@ -25,7 +25,7 @@ The following arguments are supported:
 
 * `anycast_zone` - (Optional, String, ForceNew) The zone of anycast. Valid value: `ANYCAST_ZONE_GLOBAL` and `ANYCAST_ZONE_OVERSEAS`.
 * `applicable_for_clb` - (Optional, Bool, **Deprecated**) It has been deprecated from version 1.27.0. Indicates whether the anycast eip can be associated to a CLB.
-* `internet_charge_type` - (Optional, String, ForceNew) The charge type of eip. Valid value: `BANDWIDTH_PACKAGE`, `BANDWIDTH_POSTPAID_BY_HOUR` and `TRAFFIC_POSTPAID_BY_HOUR`.
+* `internet_charge_type` - (Optional, String, ForceNew) The charge type of eip. Valid values: `BANDWIDTH_PACKAGE`, `BANDWIDTH_POSTPAID_BY_HOUR`, `BANDWIDTH_PREPAID_BY_MONTH` and `TRAFFIC_POSTPAID_BY_HOUR`.
 * `internet_max_bandwidth_out` - (Optional, Int) The bandwidth limit of EIP, unit is Mbps.
 * `internet_service_provider` - (Optional, String, ForceNew) Internet service provider of eip. Valid value: `BGP`, `CMCC`, `CTCC` and `CUCC`.
 * `name` - (Optional, String) The name of eip.