docs: Modify the error format
issue
@@ -1018,7 +1018,6 @@ The manual construction of transactions needs to follow the ABI interface of the
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Among them, the format of rlp_param_ptr follows the same rules as Step 3.
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- For the specific calling method, please refer to the automatically generated code of the Demo attached to the SDK, which is located under `\<SDKRoot\>/demo/demo_platone/demo_contract/WASM` or `<SDKRoot\>/demo/demo_platone/demo_contract/Solidity`.
**Example 3: Hyperledger Fabric transaction structure**
